diff --git a/.env.example b/.env.example
index f38002f..d552729 100644
--- a/.env.example
+++ b/.env.example
@@ -4,7 +4,6 @@ S3_USE_SSL=false
 S3_ACCESS_KEY=minioadmin
 S3_SECRET_KEY=minioadmin
 S3_SESSION_TTL_SECONDS=3600
-CONVERSION_IMAGE_DPI=72
 CONVERSION_PPTX_TO_PDF_TIMEOUT_SECONDS=180
 CONVERSION_PDF_TO_IMAGES_TIMEOUT_SECONDS=1800
 CONVERSION_PPTX_TO_PDF_BASE_TIMEOUT_SECONDS=45
diff --git a/Makefile b/Makefile
index deee93d..3165fef 100644
--- a/Makefile
+++ b/Makefile
@@ -35,7 +35,6 @@ run-server:
 	export S3_ACCESS_KEY="$${S3_ACCESS_KEY:-minioadmin}"; \
 	export S3_SECRET_KEY="$${S3_SECRET_KEY:-minioadmin}"; \
 	export S3_SESSION_TTL_SECONDS="$${S3_SESSION_TTL_SECONDS:-3600}"; \
-	export CONVERSION_IMAGE_DPI="$${CONVERSION_IMAGE_DPI:-72}"; \
 	export CONVERSION_PPTX_TO_PDF_TIMEOUT_SECONDS="$${CONVERSION_PPTX_TO_PDF_TIMEOUT_SECONDS:-180}"; \
 	export CONVERSION_PDF_TO_IMAGES_TIMEOUT_SECONDS="$${CONVERSION_PDF_TO_IMAGES_TIMEOUT_SECONDS:-1800}"; \
 	export CONVERSION_PPTX_TO_PDF_BASE_TIMEOUT_SECONDS="$${CONVERSION_PPTX_TO_PDF_BASE_TIMEOUT_SECONDS:-45}"; \
diff --git a/README.md b/README.md
index 7f58913..2915db6 100644
--- a/README.md
+++ b/README.md
@@ -94,7 +94,7 @@ make run-server
 - defaults S3 endpoint to `localhost:8333` for host-based development
 - auto-normalizes `seaweedfs:8333` to `localhost:8333` for host runs
 - supports optional `UVICORN_HOST` and `UVICORN_PORT` overrides
-- exposes conversion tuning vars (`CONVERSION_IMAGE_DPI`, `CONVERSION_PPTX_TO_PDF_TIMEOUT_SECONDS`, `CONVERSION_PDF_TO_IMAGES_TIMEOUT_SECONDS`)
+- exposes conversion timeout tuning vars (`CONVERSION_PPTX_TO_PDF_TIMEOUT_SECONDS`, `CONVERSION_PDF_TO_IMAGES_TIMEOUT_SECONDS`)
 
 Server endpoint base URL:
 
@@ -107,7 +107,7 @@ Create a conversion request:
 ```bash
 curl \
   --header "Content-Type: application/json" \
-  --data '{"sourceFilename":"example.pptx"}' \
+  --data '{"sourceFilename":"example.pptx","resolution":"CONVERSION_RESOLUTION_FHD"}' \
   http://localhost:8080/officeconvertapi.v1.ConversionService/CreateConversion
 ```
 
@@ -139,6 +139,8 @@ Use `.env.example` as your baseline env configuration.
 
 If conversion fails on larger decks, tune these environment variables:
 
-- `CONVERSION_IMAGE_DPI` (default `72`): lower values reduce image generation time.
+- `CreateConversionRequest.resolution` controls output dimensions via presets: `SD`, `HD`, `FHD`, `QHD`, `UHD`.
+- Omitting `resolution` (or sending `CONVERSION_RESOLUTION_UNSPECIFIED`) defaults to `FHD`.
+- Rasterization DPI is inferred automatically from source slide size and selected output dimensions.
 - `CONVERSION_PPTX_TO_PDF_TIMEOUT_SECONDS` (default `180`): timeout for LibreOffice export.
 - `CONVERSION_PDF_TO_IMAGES_TIMEOUT_SECONDS` (default `1800`): timeout for Poppler rasterization.
diff --git a/clients/go/officeconvertclient/client.go b/clients/go/officeconvertclient/client.go
index 06db30e..dfd01cd 100644
--- a/clients/go/officeconvertclient/client.go
+++ b/clients/go/officeconvertclient/client.go
@@ -46,9 +46,11 @@ func (c *Client) SetPollInterval(interval time.Duration) {
 func (c *Client) CreateConversion(
 	ctx context.Context,
 	sourceFilename string,
+	resolution officeconvertapiv1.ConversionResolution,
 ) (*officeconvertapiv1.CreateConversionResponse, error) {
 	req := connect.NewRequest(&officeconvertapiv1.CreateConversionRequest{
 		SourceFilename: sourceFilename,
+		Resolution:     resolution,
 	})
 	res, err := c.rpc.CreateConversion(ctx, req)
 	if err != nil {
diff --git a/clients/go/officeconvertclient/orchestrate.go b/clients/go/officeconvertclient/orchestrate.go
index b605114..4d7c729 100644
--- a/clients/go/officeconvertclient/orchestrate.go
+++ b/clients/go/officeconvertclient/orchestrate.go
@@ -16,7 +16,11 @@ type ConversionResult struct {
 
 // ConvertPPTXFile runs the full create-upload-start-wait-fetch flow.
 func (c *Client) ConvertPPTXFile(ctx context.Context, localPPTXPath string) (*ConversionResult, error) {
-	createRes, err := c.CreateConversion(ctx, filepath.Base(localPPTXPath))
+	createRes, err := c.CreateConversion(
+		ctx,
+		filepath.Base(localPPTXPath),
+		officeconvertapiv1.ConversionResolution_CONVERSION_RESOLUTION_UNSPECIFIED,
+	)
 	if err != nil {
 		return nil, fmt.Errorf("create conversion: %w", err)
 	}
diff --git a/deploy/docker-compose.yml b/deploy/docker-compose.yml
index 190e980..094a230 100644
--- a/deploy/docker-compose.yml
+++ b/deploy/docker-compose.yml
@@ -27,7 +27,6 @@ services:
       S3_ACCESS_KEY: ${S3_ACCESS_KEY:-minioadmin}
       S3_SECRET_KEY: ${S3_SECRET_KEY:-minioadmin}
       S3_SESSION_TTL_SECONDS: ${S3_SESSION_TTL_SECONDS:-3600}
-      CONVERSION_IMAGE_DPI: ${CONVERSION_IMAGE_DPI:-72}
       CONVERSION_PPTX_TO_PDF_TIMEOUT_SECONDS: ${CONVERSION_PPTX_TO_PDF_TIMEOUT_SECONDS:-180}
       CONVERSION_PDF_TO_IMAGES_TIMEOUT_SECONDS: ${CONVERSION_PDF_TO_IMAGES_TIMEOUT_SECONDS:-1800}
       CONVERSION_PPTX_TO_PDF_BASE_TIMEOUT_SECONDS: ${CONVERSION_PPTX_TO_PDF_BASE_TIMEOUT_SECONDS:-45}
diff --git a/gen/go/officeconvertapi/v1/conversion.pb.go b/gen/go/officeconvertapi/v1/conversion.pb.go
index d8fe3a7..0c22e05 100644
--- a/gen/go/officeconvertapi/v1/conversion.pb.go
+++ b/gen/go/officeconvertapi/v1/conversion.pb.go
@@ -137,6 +137,65 @@ func (ConversionPhase) EnumDescriptor() ([]byte, []int) {
 	return file_officeconvertapi_v1_conversion_proto_rawDescGZIP(), []int{1}
 }
 
+// ConversionResolution represents preset output quality targets.
+type ConversionResolution int32
+
+const (
+	ConversionResolution_CONVERSION_RESOLUTION_UNSPECIFIED ConversionResolution = 0
+	ConversionResolution_CONVERSION_RESOLUTION_SD          ConversionResolution = 1
+	ConversionResolution_CONVERSION_RESOLUTION_HD          ConversionResolution = 2
+	ConversionResolution_CONVERSION_RESOLUTION_FHD         ConversionResolution = 3
+	ConversionResolution_CONVERSION_RESOLUTION_QHD         ConversionResolution = 4
+	ConversionResolution_CONVERSION_RESOLUTION_UHD         ConversionResolution = 5
+)
+
+// Enum value maps for ConversionResolution.
+var (
+	ConversionResolution_name = map[int32]string{
+		0: "CONVERSION_RESOLUTION_UNSPECIFIED",
+		1: "CONVERSION_RESOLUTION_SD",
+		2: "CONVERSION_RESOLUTION_HD",
+		3: "CONVERSION_RESOLUTION_FHD",
+		4: "CONVERSION_RESOLUTION_QHD",
+		5: "CONVERSION_RESOLUTION_UHD",
+	}
+	ConversionResolution_value = map[string]int32{
+		"CONVERSION_RESOLUTION_UNSPECIFIED": 0,
+		"CONVERSION_RESOLUTION_SD":          1,
+		"CONVERSION_RESOLUTION_HD":          2,
+		"CONVERSION_RESOLUTION_FHD":         3,
+		"CONVERSION_RESOLUTION_QHD":         4,
+		"CONVERSION_RESOLUTION_UHD":         5,
+	}
+)
+
+func (x ConversionResolution) Enum() *ConversionResolution {
+	p := new(ConversionResolution)
+	*p = x
+	return p
+}
+
+func (x ConversionResolution) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (ConversionResolution) Descriptor() protoreflect.EnumDescriptor {
+	return file_officeconvertapi_v1_conversion_proto_enumTypes[2].Descriptor()
+}
+
+func (ConversionResolution) Type() protoreflect.EnumType {
+	return &file_officeconvertapi_v1_conversion_proto_enumTypes[2]
+}
+
+func (x ConversionResolution) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use ConversionResolution.Descriptor instead.
+func (ConversionResolution) EnumDescriptor() ([]byte, []int) {
+	return file_officeconvertapi_v1_conversion_proto_rawDescGZIP(), []int{2}
+}
+
 // Slide contains extracted notes and the rendered image URL for one slide.
 type Slide struct {
 	state         protoimpl.MessageState `protogen:"open.v1"`
@@ -205,6 +264,8 @@ type SlideDeck struct {
 	SourceFilename string                 `protobuf:"bytes,2,opt,name=source_filename,json=sourceFilename,proto3" json:"source_filename,omitempty"`
 	Slides         []*Slide               `protobuf:"bytes,3,rep,name=slides,proto3" json:"slides,omitempty"`
 	CreatedAt      *timestamppb.Timestamp `protobuf:"bytes,4,opt,name=created_at,json=createdAt,proto3" json:"created_at,omitempty"`
+	Width          int32                  `protobuf:"varint,5,opt,name=width,proto3" json:"width,omitempty"`
+	Height         int32                  `protobuf:"varint,6,opt,name=height,proto3" json:"height,omitempty"`
 	unknownFields  protoimpl.UnknownFields
 	sizeCache      protoimpl.SizeCache
 }
@@ -267,10 +328,25 @@ func (x *SlideDeck) GetCreatedAt() *timestamppb.Timestamp {
 	return nil
 }
 
+func (x *SlideDeck) GetWidth() int32 {
+	if x != nil {
+		return x.Width
+	}
+	return 0
+}
+
+func (x *SlideDeck) GetHeight() int32 {
+	if x != nil {
+		return x.Height
+	}
+	return 0
+}
+
 // CreateConversionRequest starts a conversion session.
 type CreateConversionRequest struct {
 	state          protoimpl.MessageState `protogen:"open.v1"`
 	SourceFilename string                 `protobuf:"bytes,1,opt,name=source_filename,json=sourceFilename,proto3" json:"source_filename,omitempty"`
+	Resolution     ConversionResolution   `protobuf:"varint,2,opt,name=resolution,proto3,enum=officeconvertapi.v1.ConversionResolution" json:"resolution,omitempty"`
 	unknownFields  protoimpl.UnknownFields
 	sizeCache      protoimpl.SizeCache
 }
@@ -312,6 +388,13 @@ func (x *CreateConversionRequest) GetSourceFilename() string {
 	return ""
 }
 
+func (x *CreateConversionRequest) GetResolution() ConversionResolution {
+	if x != nil {
+		return x.Resolution
+	}
+	return ConversionResolution_CONVERSION_RESOLUTION_UNSPECIFIED
+}
+
 // CreateConversionResponse returns upload details for the session.
 type CreateConversionResponse struct {
 	state           protoimpl.MessageState `protogen:"open.v1"`
@@ -822,15 +905,20 @@ const file_officeconvertapi_v1_conversion_proto_rawDesc = "" +
 	"\x05index\x18\x01 \x01(\x05R\x05index\x12\x1f\n" +
 	"\vnotes_plain\x18\x02 \x01(\tR\n" +
 	"notesPlain\x12\x1b\n" +
-	"\timage_url\x18\x03 \x01(\tR\bimageUrl\"\xc8\x01\n" +
+	"\timage_url\x18\x03 \x01(\tR\bimageUrl\"\xf6\x01\n" +
 	"\tSlideDeck\x12#\n" +
 	"\rconversion_id\x18\x01 \x01(\tR\fconversionId\x12'\n" +
 	"\x0fsource_filename\x18\x02 \x01(\tR\x0esourceFilename\x122\n" +
 	"\x06slides\x18\x03 \x03(\v2\x1a.officeconvertapi.v1.SlideR\x06slides\x129\n" +
 	"\n" +
-	"created_at\x18\x04 \x01(\v2\x1a.google.protobuf.TimestampR\tcreatedAt\"B\n" +
+	"created_at\x18\x04 \x01(\v2\x1a.google.protobuf.TimestampR\tcreatedAt\x12\x14\n" +
+	"\x05width\x18\x05 \x01(\x05R\x05width\x12\x16\n" +
+	"\x06height\x18\x06 \x01(\x05R\x06height\"\x8d\x01\n" +
 	"\x17CreateConversionRequest\x12'\n" +
-	"\x0fsource_filename\x18\x01 \x01(\tR\x0esourceFilename\"\xea\x01\n" +
+	"\x0fsource_filename\x18\x01 \x01(\tR\x0esourceFilename\x12I\n" +
+	"\n" +
+	"resolution\x18\x02 \x01(\x0e2).officeconvertapi.v1.ConversionResolutionR\n" +
+	"resolution\"\xea\x01\n" +
 	"\x18CreateConversionResponse\x12#\n" +
 	"\rconversion_id\x18\x01 \x01(\tR\fconversionId\x12#\n" +
 	"\rupload_bucket\x18\x02 \x01(\tR\fuploadBucket\x12*\n" +
@@ -877,7 +965,14 @@ const file_officeconvertapi_v1_conversion_proto_rawDesc = "" +
 	"!CONVERSION_PHASE_EXTRACTING_NOTES\x10\x02\x12 \n" +
 	"\x1cCONVERSION_PHASE_PPTX_TO_PDF\x10\x03\x12\"\n" +
 	"\x1eCONVERSION_PHASE_PDF_TO_IMAGES\x10\x04\x12&\n" +
-	"\"CONVERSION_PHASE_UPLOADING_RESULTS\x10\x052\xcc\x04\n" +
+	"\"CONVERSION_PHASE_UPLOADING_RESULTS\x10\x05*\xd6\x01\n" +
+	"\x14ConversionResolution\x12%\n" +
+	"!CONVERSION_RESOLUTION_UNSPECIFIED\x10\x00\x12\x1c\n" +
+	"\x18CONVERSION_RESOLUTION_SD\x10\x01\x12\x1c\n" +
+	"\x18CONVERSION_RESOLUTION_HD\x10\x02\x12\x1d\n" +
+	"\x19CONVERSION_RESOLUTION_FHD\x10\x03\x12\x1d\n" +
+	"\x19CONVERSION_RESOLUTION_QHD\x10\x04\x12\x1d\n" +
+	"\x19CONVERSION_RESOLUTION_UHD\x10\x052\xcc\x04\n" +
 	"\x11ConversionService\x12q\n" +
 	"\x10CreateConversion\x12,.officeconvertapi.v1.CreateConversionRequest\x1a-.officeconvertapi.v1.CreateConversionResponse\"\x00\x12n\n" +
 	"\x0fStartConversion\x12+.officeconvertapi.v1.StartConversionRequest\x1a,.officeconvertapi.v1.StartConversionResponse\"\x00\x12z\n" +
@@ -897,49 +992,51 @@ func file_officeconvertapi_v1_conversion_proto_rawDescGZIP() []byte {
 	return file_officeconvertapi_v1_conversion_proto_rawDescData
 }
 
-var file_officeconvertapi_v1_conversion_proto_enumTypes = make([]protoimpl.EnumInfo, 2)
+var file_officeconvertapi_v1_conversion_proto_enumTypes = make([]protoimpl.EnumInfo, 3)
 var file_officeconvertapi_v1_conversion_proto_msgTypes = make([]protoimpl.MessageInfo, 12)
 var file_officeconvertapi_v1_conversion_proto_goTypes = []any{
 	(ConversionStatus)(0),               // 0: officeconvertapi.v1.ConversionStatus
 	(ConversionPhase)(0),                // 1: officeconvertapi.v1.ConversionPhase
-	(*Slide)(nil),                       // 2: officeconvertapi.v1.Slide
-	(*SlideDeck)(nil),                   // 3: officeconvertapi.v1.SlideDeck
-	(*CreateConversionRequest)(nil),     // 4: officeconvertapi.v1.CreateConversionRequest
-	(*CreateConversionResponse)(nil),    // 5: officeconvertapi.v1.CreateConversionResponse
-	(*StartConversionRequest)(nil),      // 6: officeconvertapi.v1.StartConversionRequest
-	(*StartConversionResponse)(nil),     // 7: officeconvertapi.v1.StartConversionResponse
-	(*GetConversionStatusRequest)(nil),  // 8: officeconvertapi.v1.GetConversionStatusRequest
-	(*GetConversionStatusResponse)(nil), // 9: officeconvertapi.v1.GetConversionStatusResponse
-	(*GetSlideDeckRequest)(nil),         // 10: officeconvertapi.v1.GetSlideDeckRequest
-	(*GetSlideDeckResponse)(nil),        // 11: officeconvertapi.v1.GetSlideDeckResponse
-	(*DeleteConversionRequest)(nil),     // 12: officeconvertapi.v1.DeleteConversionRequest
-	(*DeleteConversionResponse)(nil),    // 13: officeconvertapi.v1.DeleteConversionResponse
-	(*timestamppb.Timestamp)(nil),       // 14: google.protobuf.Timestamp
+	(ConversionResolution)(0),           // 2: officeconvertapi.v1.ConversionResolution
+	(*Slide)(nil),                       // 3: officeconvertapi.v1.Slide
+	(*SlideDeck)(nil),                   // 4: officeconvertapi.v1.SlideDeck
+	(*CreateConversionRequest)(nil),     // 5: officeconvertapi.v1.CreateConversionRequest
+	(*CreateConversionResponse)(nil),    // 6: officeconvertapi.v1.CreateConversionResponse
+	(*StartConversionRequest)(nil),      // 7: officeconvertapi.v1.StartConversionRequest
+	(*StartConversionResponse)(nil),     // 8: officeconvertapi.v1.StartConversionResponse
+	(*GetConversionStatusRequest)(nil),  // 9: officeconvertapi.v1.GetConversionStatusRequest
+	(*GetConversionStatusResponse)(nil), // 10: officeconvertapi.v1.GetConversionStatusResponse
+	(*GetSlideDeckRequest)(nil),         // 11: officeconvertapi.v1.GetSlideDeckRequest
+	(*GetSlideDeckResponse)(nil),        // 12: officeconvertapi.v1.GetSlideDeckResponse
+	(*DeleteConversionRequest)(nil),     // 13: officeconvertapi.v1.DeleteConversionRequest
+	(*DeleteConversionResponse)(nil),    // 14: officeconvertapi.v1.DeleteConversionResponse
+	(*timestamppb.Timestamp)(nil),       // 15: google.protobuf.Timestamp
 }
 var file_officeconvertapi_v1_conversion_proto_depIdxs = []int32{
-	2,  // 0: officeconvertapi.v1.SlideDeck.slides:type_name -> officeconvertapi.v1.Slide
-	14, // 1: officeconvertapi.v1.SlideDeck.created_at:type_name -> google.protobuf.Timestamp
-	14, // 2: officeconvertapi.v1.CreateConversionResponse.expires_at:type_name -> google.protobuf.Timestamp
-	0,  // 3: officeconvertapi.v1.StartConversionResponse.status:type_name -> officeconvertapi.v1.ConversionStatus
-	0,  // 4: officeconvertapi.v1.GetConversionStatusResponse.status:type_name -> officeconvertapi.v1.ConversionStatus
-	14, // 5: officeconvertapi.v1.GetConversionStatusResponse.updated_at:type_name -> google.protobuf.Timestamp
-	1,  // 6: officeconvertapi.v1.GetConversionStatusResponse.phase:type_name -> officeconvertapi.v1.ConversionPhase
-	3,  // 7: officeconvertapi.v1.GetSlideDeckResponse.slide_deck:type_name -> officeconvertapi.v1.SlideDeck
-	4,  // 8: officeconvertapi.v1.ConversionService.CreateConversion:input_type -> officeconvertapi.v1.CreateConversionRequest
-	6,  // 9: officeconvertapi.v1.ConversionService.StartConversion:input_type -> officeconvertapi.v1.StartConversionRequest
-	8,  // 10: officeconvertapi.v1.ConversionService.GetConversionStatus:input_type -> officeconvertapi.v1.GetConversionStatusRequest
-	10, // 11: officeconvertapi.v1.ConversionService.GetSlideDeck:input_type -> officeconvertapi.v1.GetSlideDeckRequest
-	12, // 12: officeconvertapi.v1.ConversionService.DeleteConversion:input_type -> officeconvertapi.v1.DeleteConversionRequest
-	5,  // 13: officeconvertapi.v1.ConversionService.CreateConversion:output_type -> officeconvertapi.v1.CreateConversionResponse
-	7,  // 14: officeconvertapi.v1.ConversionService.StartConversion:output_type -> officeconvertapi.v1.StartConversionResponse
-	9,  // 15: officeconvertapi.v1.ConversionService.GetConversionStatus:output_type -> officeconvertapi.v1.GetConversionStatusResponse
-	11, // 16: officeconvertapi.v1.ConversionService.GetSlideDeck:output_type -> officeconvertapi.v1.GetSlideDeckResponse
-	13, // 17: officeconvertapi.v1.ConversionService.DeleteConversion:output_type -> officeconvertapi.v1.DeleteConversionResponse
-	13, // [13:18] is the sub-list for method output_type
-	8,  // [8:13] is the sub-list for method input_type
-	8,  // [8:8] is the sub-list for extension type_name
-	8,  // [8:8] is the sub-list for extension extendee
-	0,  // [0:8] is the sub-list for field type_name
+	3,  // 0: officeconvertapi.v1.SlideDeck.slides:type_name -> officeconvertapi.v1.Slide
+	15, // 1: officeconvertapi.v1.SlideDeck.created_at:type_name -> google.protobuf.Timestamp
+	2,  // 2: officeconvertapi.v1.CreateConversionRequest.resolution:type_name -> officeconvertapi.v1.ConversionResolution
+	15, // 3: officeconvertapi.v1.CreateConversionResponse.expires_at:type_name -> google.protobuf.Timestamp
+	0,  // 4: officeconvertapi.v1.StartConversionResponse.status:type_name -> officeconvertapi.v1.ConversionStatus
+	0,  // 5: officeconvertapi.v1.GetConversionStatusResponse.status:type_name -> officeconvertapi.v1.ConversionStatus
+	15, // 6: officeconvertapi.v1.GetConversionStatusResponse.updated_at:type_name -> google.protobuf.Timestamp
+	1,  // 7: officeconvertapi.v1.GetConversionStatusResponse.phase:type_name -> officeconvertapi.v1.ConversionPhase
+	4,  // 8: officeconvertapi.v1.GetSlideDeckResponse.slide_deck:type_name -> officeconvertapi.v1.SlideDeck
+	5,  // 9: officeconvertapi.v1.ConversionService.CreateConversion:input_type -> officeconvertapi.v1.CreateConversionRequest
+	7,  // 10: officeconvertapi.v1.ConversionService.StartConversion:input_type -> officeconvertapi.v1.StartConversionRequest
+	9,  // 11: officeconvertapi.v1.ConversionService.GetConversionStatus:input_type -> officeconvertapi.v1.GetConversionStatusRequest
+	11, // 12: officeconvertapi.v1.ConversionService.GetSlideDeck:input_type -> officeconvertapi.v1.GetSlideDeckRequest
+	13, // 13: officeconvertapi.v1.ConversionService.DeleteConversion:input_type -> officeconvertapi.v1.DeleteConversionRequest
+	6,  // 14: officeconvertapi.v1.ConversionService.CreateConversion:output_type -> officeconvertapi.v1.CreateConversionResponse
+	8,  // 15: officeconvertapi.v1.ConversionService.StartConversion:output_type -> officeconvertapi.v1.StartConversionResponse
+	10, // 16: officeconvertapi.v1.ConversionService.GetConversionStatus:output_type -> officeconvertapi.v1.GetConversionStatusResponse
+	12, // 17: officeconvertapi.v1.ConversionService.GetSlideDeck:output_type -> officeconvertapi.v1.GetSlideDeckResponse
+	14, // 18: officeconvertapi.v1.ConversionService.DeleteConversion:output_type -> officeconvertapi.v1.DeleteConversionResponse
+	14, // [14:19] is the sub-list for method output_type
+	9,  // [9:14] is the sub-list for method input_type
+	9,  // [9:9] is the sub-list for extension type_name
+	9,  // [9:9] is the sub-list for extension extendee
+	0,  // [0:9] is the sub-list for field type_name
 }
 
 func init() { file_officeconvertapi_v1_conversion_proto_init() }
@@ -952,7 +1049,7 @@ func file_officeconvertapi_v1_conversion_proto_init() {
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: unsafe.Slice(unsafe.StringData(file_officeconvertapi_v1_conversion_proto_rawDesc), len(file_officeconvertapi_v1_conversion_proto_rawDesc)),
-			NumEnums:      2,
+			NumEnums:      3,
 			NumMessages:   12,
 			NumExtensions: 0,
 			NumServices:   1,
diff --git a/gen/python/officeconvertapi/v1/conversion_pb2.py b/gen/python/officeconvertapi/v1/conversion_pb2.py
index c7a25d8..163db56 100644
--- a/gen/python/officeconvertapi/v1/conversion_pb2.py
+++ b/gen/python/officeconvertapi/v1/conversion_pb2.py
@@ -25,7 +25,7 @@ _sym_db = _symbol_database.Default()
 from google.protobuf import timestamp_pb2 as google_dot_protobuf_dot_timestamp__pb2
 
 
-DESCRIPTOR = _descriptor_pool.Default().AddSerializedFile(b'\n$officeconvertapi/v1/conversion.proto\x12\x13officeconvertapi.v1\x1a\x1fgoogle/protobuf/timestamp.proto\"[\n\x05Slide\x12\x14\n\x05index\x18\x01 \x01(\x05R\x05index\x12\x1f\n\x0bnotes_plain\x18\x02 \x01(\tR\nnotesPlain\x12\x1b\n\timage_url\x18\x03 \x01(\tR\x08imageUrl\"\xc8\x01\n\tSlideDeck\x12#\n\rconversion_id\x18\x01 \x01(\tR\x0c\x63onversionId\x12\'\n\x0fsource_filename\x18\x02 \x01(\tR\x0esourceFilename\x12\x32\n\x06slides\x18\x03 \x03(\x0b\x32\x1a.officeconvertapi.v1.SlideR\x06slides\x12\x39\n\ncreated_at\x18\x04 \x01(\x0b\x32\x1a.google.protobuf.TimestampR\tcreatedAt\"B\n\x17\x43reateConversionRequest\x12\'\n\x0fsource_filename\x18\x01 \x01(\tR\x0esourceFilename\"\xea\x01\n\x18\x43reateConversionResponse\x12#\n\rconversion_id\x18\x01 \x01(\tR\x0c\x63onversionId\x12#\n\rupload_bucket\x18\x02 \x01(\tR\x0cuploadBucket\x12*\n\x11upload_object_key\x18\x03 \x01(\tR\x0fuploadObjectKey\x12\x1d\n\nupload_url\x18\x04 \x01(\tR\tuploadUrl\x12\x39\n\nexpires_at\x18\x05 \x01(\x0b\x32\x1a.google.protobuf.TimestampR\texpiresAt\"=\n\x16StartConversionRequest\x12#\n\rconversion_id\x18\x01 \x01(\tR\x0c\x63onversionId\"}\n\x17StartConversionResponse\x12#\n\rconversion_id\x18\x01 \x01(\tR\x0c\x63onversionId\x12=\n\x06status\x18\x02 \x01(\x0e\x32%.officeconvertapi.v1.ConversionStatusR\x06status\"A\n\x1aGetConversionStatusRequest\x12#\n\rconversion_id\x18\x01 \x01(\tR\x0c\x63onversionId\"\xeb\x02\n\x1bGetConversionStatusResponse\x12#\n\rconversion_id\x18\x01 \x01(\tR\x0c\x63onversionId\x12=\n\x06status\x18\x02 \x01(\x0e\x32%.officeconvertapi.v1.ConversionStatusR\x06status\x12#\n\rerror_message\x18\x03 \x01(\tR\x0c\x65rrorMessage\x12\x39\n\nupdated_at\x18\x04 \x01(\x0b\x32\x1a.google.protobuf.TimestampR\tupdatedAt\x12:\n\x05phase\x18\x05 \x01(\x0e\x32$.officeconvertapi.v1.ConversionPhaseR\x05phase\x12)\n\x10\x63urrent_progress\x18\x06 \x01(\x05R\x0f\x63urrentProgress\x12!\n\x0cmax_progress\x18\x07 \x01(\x05R\x0bmaxProgress\":\n\x13GetSlideDeckRequest\x12#\n\rconversion_id\x18\x01 \x01(\tR\x0c\x63onversionId\"U\n\x14GetSlideDeckResponse\x12=\n\nslide_deck\x18\x01 \x01(\x0b\x32\x1e.officeconvertapi.v1.SlideDeckR\tslideDeck\">\n\x17\x44\x65leteConversionRequest\x12#\n\rconversion_id\x18\x01 \x01(\tR\x0c\x63onversionId\"Y\n\x18\x44\x65leteConversionResponse\x12#\n\rconversion_id\x18\x01 \x01(\tR\x0c\x63onversionId\x12\x18\n\x07\x64\x65leted\x18\x02 \x01(\x08R\x07\x64\x65leted*\xb2\x01\n\x10\x43onversionStatus\x12!\n\x1d\x43ONVERSION_STATUS_UNSPECIFIED\x10\x00\x12\x1d\n\x19\x43ONVERSION_STATUS_PENDING\x10\x01\x12\x1d\n\x19\x43ONVERSION_STATUS_RUNNING\x10\x02\x12\x1f\n\x1b\x43ONVERSION_STATUS_SUCCEEDED\x10\x03\x12\x1c\n\x18\x43ONVERSION_STATUS_FAILED\x10\x04*\xe7\x01\n\x0f\x43onversionPhase\x12 \n\x1c\x43ONVERSION_PHASE_UNSPECIFIED\x10\x00\x12\x1d\n\x19\x43ONVERSION_PHASE_INACTIVE\x10\x01\x12%\n!CONVERSION_PHASE_EXTRACTING_NOTES\x10\x02\x12 \n\x1c\x43ONVERSION_PHASE_PPTX_TO_PDF\x10\x03\x12\"\n\x1e\x43ONVERSION_PHASE_PDF_TO_IMAGES\x10\x04\x12&\n\"CONVERSION_PHASE_UPLOADING_RESULTS\x10\x05\x32\xcc\x04\n\x11\x43onversionService\x12q\n\x10\x43reateConversion\x12,.officeconvertapi.v1.CreateConversionRequest\x1a-.officeconvertapi.v1.CreateConversionResponse\"\x00\x12n\n\x0fStartConversion\x12+.officeconvertapi.v1.StartConversionRequest\x1a,.officeconvertapi.v1.StartConversionResponse\"\x00\x12z\n\x13GetConversionStatus\x12/.officeconvertapi.v1.GetConversionStatusRequest\x1a\x30.officeconvertapi.v1.GetConversionStatusResponse\"\x00\x12\x65\n\x0cGetSlideDeck\x12(.officeconvertapi.v1.GetSlideDeckRequest\x1a).officeconvertapi.v1.GetSlideDeckResponse\"\x00\x12q\n\x10\x44\x65leteConversion\x12,.officeconvertapi.v1.DeleteConversionRequest\x1a-.officeconvertapi.v1.DeleteConversionResponse\"\x00\x42LZJgithub.com/end/officeconvert/gen/go/officeconvertapi/v1;officeconvertapiv1b\x06proto3')
+DESCRIPTOR = _descriptor_pool.Default().AddSerializedFile(b'\n$officeconvertapi/v1/conversion.proto\x12\x13officeconvertapi.v1\x1a\x1fgoogle/protobuf/timestamp.proto\"[\n\x05Slide\x12\x14\n\x05index\x18\x01 \x01(\x05R\x05index\x12\x1f\n\x0bnotes_plain\x18\x02 \x01(\tR\nnotesPlain\x12\x1b\n\timage_url\x18\x03 \x01(\tR\x08imageUrl\"\xf6\x01\n\tSlideDeck\x12#\n\rconversion_id\x18\x01 \x01(\tR\x0c\x63onversionId\x12\'\n\x0fsource_filename\x18\x02 \x01(\tR\x0esourceFilename\x12\x32\n\x06slides\x18\x03 \x03(\x0b\x32\x1a.officeconvertapi.v1.SlideR\x06slides\x12\x39\n\ncreated_at\x18\x04 \x01(\x0b\x32\x1a.google.protobuf.TimestampR\tcreatedAt\x12\x14\n\x05width\x18\x05 \x01(\x05R\x05width\x12\x16\n\x06height\x18\x06 \x01(\x05R\x06height\"\x8d\x01\n\x17\x43reateConversionRequest\x12\'\n\x0fsource_filename\x18\x01 \x01(\tR\x0esourceFilename\x12I\n\nresolution\x18\x02 \x01(\x0e\x32).officeconvertapi.v1.ConversionResolutionR\nresolution\"\xea\x01\n\x18\x43reateConversionResponse\x12#\n\rconversion_id\x18\x01 \x01(\tR\x0c\x63onversionId\x12#\n\rupload_bucket\x18\x02 \x01(\tR\x0cuploadBucket\x12*\n\x11upload_object_key\x18\x03 \x01(\tR\x0fuploadObjectKey\x12\x1d\n\nupload_url\x18\x04 \x01(\tR\tuploadUrl\x12\x39\n\nexpires_at\x18\x05 \x01(\x0b\x32\x1a.google.protobuf.TimestampR\texpiresAt\"=\n\x16StartConversionRequest\x12#\n\rconversion_id\x18\x01 \x01(\tR\x0c\x63onversionId\"}\n\x17StartConversionResponse\x12#\n\rconversion_id\x18\x01 \x01(\tR\x0c\x63onversionId\x12=\n\x06status\x18\x02 \x01(\x0e\x32%.officeconvertapi.v1.ConversionStatusR\x06status\"A\n\x1aGetConversionStatusRequest\x12#\n\rconversion_id\x18\x01 \x01(\tR\x0c\x63onversionId\"\xeb\x02\n\x1bGetConversionStatusResponse\x12#\n\rconversion_id\x18\x01 \x01(\tR\x0c\x63onversionId\x12=\n\x06status\x18\x02 \x01(\x0e\x32%.officeconvertapi.v1.ConversionStatusR\x06status\x12#\n\rerror_message\x18\x03 \x01(\tR\x0c\x65rrorMessage\x12\x39\n\nupdated_at\x18\x04 \x01(\x0b\x32\x1a.google.protobuf.TimestampR\tupdatedAt\x12:\n\x05phase\x18\x05 \x01(\x0e\x32$.officeconvertapi.v1.ConversionPhaseR\x05phase\x12)\n\x10\x63urrent_progress\x18\x06 \x01(\x05R\x0f\x63urrentProgress\x12!\n\x0cmax_progress\x18\x07 \x01(\x05R\x0bmaxProgress\":\n\x13GetSlideDeckRequest\x12#\n\rconversion_id\x18\x01 \x01(\tR\x0c\x63onversionId\"U\n\x14GetSlideDeckResponse\x12=\n\nslide_deck\x18\x01 \x01(\x0b\x32\x1e.officeconvertapi.v1.SlideDeckR\tslideDeck\">\n\x17\x44\x65leteConversionRequest\x12#\n\rconversion_id\x18\x01 \x01(\tR\x0c\x63onversionId\"Y\n\x18\x44\x65leteConversionResponse\x12#\n\rconversion_id\x18\x01 \x01(\tR\x0c\x63onversionId\x12\x18\n\x07\x64\x65leted\x18\x02 \x01(\x08R\x07\x64\x65leted*\xb2\x01\n\x10\x43onversionStatus\x12!\n\x1d\x43ONVERSION_STATUS_UNSPECIFIED\x10\x00\x12\x1d\n\x19\x43ONVERSION_STATUS_PENDING\x10\x01\x12\x1d\n\x19\x43ONVERSION_STATUS_RUNNING\x10\x02\x12\x1f\n\x1b\x43ONVERSION_STATUS_SUCCEEDED\x10\x03\x12\x1c\n\x18\x43ONVERSION_STATUS_FAILED\x10\x04*\xe7\x01\n\x0f\x43onversionPhase\x12 \n\x1c\x43ONVERSION_PHASE_UNSPECIFIED\x10\x00\x12\x1d\n\x19\x43ONVERSION_PHASE_INACTIVE\x10\x01\x12%\n!CONVERSION_PHASE_EXTRACTING_NOTES\x10\x02\x12 \n\x1c\x43ONVERSION_PHASE_PPTX_TO_PDF\x10\x03\x12\"\n\x1e\x43ONVERSION_PHASE_PDF_TO_IMAGES\x10\x04\x12&\n\"CONVERSION_PHASE_UPLOADING_RESULTS\x10\x05*\xd6\x01\n\x14\x43onversionResolution\x12%\n!CONVERSION_RESOLUTION_UNSPECIFIED\x10\x00\x12\x1c\n\x18\x43ONVERSION_RESOLUTION_SD\x10\x01\x12\x1c\n\x18\x43ONVERSION_RESOLUTION_HD\x10\x02\x12\x1d\n\x19\x43ONVERSION_RESOLUTION_FHD\x10\x03\x12\x1d\n\x19\x43ONVERSION_RESOLUTION_QHD\x10\x04\x12\x1d\n\x19\x43ONVERSION_RESOLUTION_UHD\x10\x05\x32\xcc\x04\n\x11\x43onversionService\x12q\n\x10\x43reateConversion\x12,.officeconvertapi.v1.CreateConversionRequest\x1a-.officeconvertapi.v1.CreateConversionResponse\"\x00\x12n\n\x0fStartConversion\x12+.officeconvertapi.v1.StartConversionRequest\x1a,.officeconvertapi.v1.StartConversionResponse\"\x00\x12z\n\x13GetConversionStatus\x12/.officeconvertapi.v1.GetConversionStatusRequest\x1a\x30.officeconvertapi.v1.GetConversionStatusResponse\"\x00\x12\x65\n\x0cGetSlideDeck\x12(.officeconvertapi.v1.GetSlideDeckRequest\x1a).officeconvertapi.v1.GetSlideDeckResponse\"\x00\x12q\n\x10\x44\x65leteConversion\x12,.officeconvertapi.v1.DeleteConversionRequest\x1a-.officeconvertapi.v1.DeleteConversionResponse\"\x00\x42LZJgithub.com/end/officeconvert/gen/go/officeconvertapi/v1;officeconvertapiv1b\x06proto3')
 
 _globals = globals()
 _builder.BuildMessageAndEnumDescriptors(DESCRIPTOR, _globals)
@@ -33,34 +33,36 @@ _builder.BuildTopDescriptorsAndMessages(DESCRIPTOR, 'officeconvertapi.v1.convers
 if not _descriptor._USE_C_DESCRIPTORS:
   _globals['DESCRIPTOR']._loaded_options = None
   _globals['DESCRIPTOR']._serialized_options = b'ZJgithub.com/end/officeconvert/gen/go/officeconvertapi/v1;officeconvertapiv1'
-  _globals['_CONVERSIONSTATUS']._serialized_start=1621
-  _globals['_CONVERSIONSTATUS']._serialized_end=1799
-  _globals['_CONVERSIONPHASE']._serialized_start=1802
-  _globals['_CONVERSIONPHASE']._serialized_end=2033
+  _globals['_CONVERSIONSTATUS']._serialized_start=1743
+  _globals['_CONVERSIONSTATUS']._serialized_end=1921
+  _globals['_CONVERSIONPHASE']._serialized_start=1924
+  _globals['_CONVERSIONPHASE']._serialized_end=2155
+  _globals['_CONVERSIONRESOLUTION']._serialized_start=2158
+  _globals['_CONVERSIONRESOLUTION']._serialized_end=2372
   _globals['_SLIDE']._serialized_start=94
   _globals['_SLIDE']._serialized_end=185
   _globals['_SLIDEDECK']._serialized_start=188
-  _globals['_SLIDEDECK']._serialized_end=388
-  _globals['_CREATECONVERSIONREQUEST']._serialized_start=390
-  _globals['_CREATECONVERSIONREQUEST']._serialized_end=456
-  _globals['_CREATECONVERSIONRESPONSE']._serialized_start=459
-  _globals['_CREATECONVERSIONRESPONSE']._serialized_end=693
-  _globals['_STARTCONVERSIONREQUEST']._serialized_start=695
-  _globals['_STARTCONVERSIONREQUEST']._serialized_end=756
-  _globals['_STARTCONVERSIONRESPONSE']._serialized_start=758
-  _globals['_STARTCONVERSIONRESPONSE']._serialized_end=883
-  _globals['_GETCONVERSIONSTATUSREQUEST']._serialized_start=885
-  _globals['_GETCONVERSIONSTATUSREQUEST']._serialized_end=950
-  _globals['_GETCONVERSIONSTATUSRESPONSE']._serialized_start=953
-  _globals['_GETCONVERSIONSTATUSRESPONSE']._serialized_end=1316
-  _globals['_GETSLIDEDECKREQUEST']._serialized_start=1318
-  _globals['_GETSLIDEDECKREQUEST']._serialized_end=1376
-  _globals['_GETSLIDEDECKRESPONSE']._serialized_start=1378
-  _globals['_GETSLIDEDECKRESPONSE']._serialized_end=1463
-  _globals['_DELETECONVERSIONREQUEST']._serialized_start=1465
-  _globals['_DELETECONVERSIONREQUEST']._serialized_end=1527
-  _globals['_DELETECONVERSIONRESPONSE']._serialized_start=1529
-  _globals['_DELETECONVERSIONRESPONSE']._serialized_end=1618
-  _globals['_CONVERSIONSERVICE']._serialized_start=2036
-  _globals['_CONVERSIONSERVICE']._serialized_end=2624
+  _globals['_SLIDEDECK']._serialized_end=434
+  _globals['_CREATECONVERSIONREQUEST']._serialized_start=437
+  _globals['_CREATECONVERSIONREQUEST']._serialized_end=578
+  _globals['_CREATECONVERSIONRESPONSE']._serialized_start=581
+  _globals['_CREATECONVERSIONRESPONSE']._serialized_end=815
+  _globals['_STARTCONVERSIONREQUEST']._serialized_start=817
+  _globals['_STARTCONVERSIONREQUEST']._serialized_end=878
+  _globals['_STARTCONVERSIONRESPONSE']._serialized_start=880
+  _globals['_STARTCONVERSIONRESPONSE']._serialized_end=1005
+  _globals['_GETCONVERSIONSTATUSREQUEST']._serialized_start=1007
+  _globals['_GETCONVERSIONSTATUSREQUEST']._serialized_end=1072
+  _globals['_GETCONVERSIONSTATUSRESPONSE']._serialized_start=1075
+  _globals['_GETCONVERSIONSTATUSRESPONSE']._serialized_end=1438
+  _globals['_GETSLIDEDECKREQUEST']._serialized_start=1440
+  _globals['_GETSLIDEDECKREQUEST']._serialized_end=1498
+  _globals['_GETSLIDEDECKRESPONSE']._serialized_start=1500
+  _globals['_GETSLIDEDECKRESPONSE']._serialized_end=1585
+  _globals['_DELETECONVERSIONREQUEST']._serialized_start=1587
+  _globals['_DELETECONVERSIONREQUEST']._serialized_end=1649
+  _globals['_DELETECONVERSIONRESPONSE']._serialized_start=1651
+  _globals['_DELETECONVERSIONRESPONSE']._serialized_end=1740
+  _globals['_CONVERSIONSERVICE']._serialized_start=2375
+  _globals['_CONVERSIONSERVICE']._serialized_end=2963
 # @@protoc_insertion_point(module_scope)
diff --git a/gen/python/officeconvertapi/v1/conversion_pb2.pyi b/gen/python/officeconvertapi/v1/conversion_pb2.pyi
index 23d7116..fc5f083 100644
--- a/gen/python/officeconvertapi/v1/conversion_pb2.pyi
+++ b/gen/python/officeconvertapi/v1/conversion_pb2.pyi
@@ -26,6 +26,15 @@ class ConversionPhase(int, metaclass=_enum_type_wrapper.EnumTypeWrapper):
     CONVERSION_PHASE_PPTX_TO_PDF: _ClassVar[ConversionPhase]
     CONVERSION_PHASE_PDF_TO_IMAGES: _ClassVar[ConversionPhase]
     CONVERSION_PHASE_UPLOADING_RESULTS: _ClassVar[ConversionPhase]
+
+class ConversionResolution(int, metaclass=_enum_type_wrapper.EnumTypeWrapper):
+    __slots__ = ()
+    CONVERSION_RESOLUTION_UNSPECIFIED: _ClassVar[ConversionResolution]
+    CONVERSION_RESOLUTION_SD: _ClassVar[ConversionResolution]
+    CONVERSION_RESOLUTION_HD: _ClassVar[ConversionResolution]
+    CONVERSION_RESOLUTION_FHD: _ClassVar[ConversionResolution]
+    CONVERSION_RESOLUTION_QHD: _ClassVar[ConversionResolution]
+    CONVERSION_RESOLUTION_UHD: _ClassVar[ConversionResolution]
 CONVERSION_STATUS_UNSPECIFIED: ConversionStatus
 CONVERSION_STATUS_PENDING: ConversionStatus
 CONVERSION_STATUS_RUNNING: ConversionStatus
@@ -37,6 +46,12 @@ CONVERSION_PHASE_EXTRACTING_NOTES: ConversionPhase
 CONVERSION_PHASE_PPTX_TO_PDF: ConversionPhase
 CONVERSION_PHASE_PDF_TO_IMAGES: ConversionPhase
 CONVERSION_PHASE_UPLOADING_RESULTS: ConversionPhase
+CONVERSION_RESOLUTION_UNSPECIFIED: ConversionResolution
+CONVERSION_RESOLUTION_SD: ConversionResolution
+CONVERSION_RESOLUTION_HD: ConversionResolution
+CONVERSION_RESOLUTION_FHD: ConversionResolution
+CONVERSION_RESOLUTION_QHD: ConversionResolution
+CONVERSION_RESOLUTION_UHD: ConversionResolution
 
 class Slide(_message.Message):
     __slots__ = ("index", "notes_plain", "image_url")
@@ -49,22 +64,28 @@ class Slide(_message.Message):
     def __init__(self, index: _Optional[int] = ..., notes_plain: _Optional[str] = ..., image_url: _Optional[str] = ...) -> None: ...
 
 class SlideDeck(_message.Message):
-    __slots__ = ("conversion_id", "source_filename", "slides", "created_at")
+    __slots__ = ("conversion_id", "source_filename", "slides", "created_at", "width", "height")
     CONVERSION_ID_FIELD_NUMBER: _ClassVar[int]
     SOURCE_FILENAME_FIELD_NUMBER: _ClassVar[int]
     SLIDES_FIELD_NUMBER: _ClassVar[int]
     CREATED_AT_FIELD_NUMBER: _ClassVar[int]
+    WIDTH_FIELD_NUMBER: _ClassVar[int]
+    HEIGHT_FIELD_NUMBER: _ClassVar[int]
     conversion_id: str
     source_filename: str
     slides: _containers.RepeatedCompositeFieldContainer[Slide]
     created_at: _timestamp_pb2.Timestamp
-    def __init__(self, conversion_id: _Optional[str] = ..., source_filename: _Optional[str] = ..., slides: _Optional[_Iterable[_Union[Slide, _Mapping]]] = ..., created_at: _Optional[_Union[datetime.datetime, _timestamp_pb2.Timestamp, _Mapping]] = ...) -> None: ...
+    width: int
+    height: int
+    def __init__(self, conversion_id: _Optional[str] = ..., source_filename: _Optional[str] = ..., slides: _Optional[_Iterable[_Union[Slide, _Mapping]]] = ..., created_at: _Optional[_Union[datetime.datetime, _timestamp_pb2.Timestamp, _Mapping]] = ..., width: _Optional[int] = ..., height: _Optional[int] = ...) -> None: ...
 
 class CreateConversionRequest(_message.Message):
-    __slots__ = ("source_filename",)
+    __slots__ = ("source_filename", "resolution")
     SOURCE_FILENAME_FIELD_NUMBER: _ClassVar[int]
+    RESOLUTION_FIELD_NUMBER: _ClassVar[int]
     source_filename: str
-    def __init__(self, source_filename: _Optional[str] = ...) -> None: ...
+    resolution: ConversionResolution
+    def __init__(self, source_filename: _Optional[str] = ..., resolution: _Optional[_Union[ConversionResolution, str]] = ...) -> None: ...
 
 class CreateConversionResponse(_message.Message):
     __slots__ = ("conversion_id", "upload_bucket", "upload_object_key", "upload_url", "expires_at")
diff --git a/proto/officeconvertapi/v1/conversion.proto b/proto/officeconvertapi/v1/conversion.proto
index e6ebba0..4f0e41d 100644
--- a/proto/officeconvertapi/v1/conversion.proto
+++ b/proto/officeconvertapi/v1/conversion.proto
@@ -43,6 +43,16 @@ enum ConversionPhase {
   CONVERSION_PHASE_UPLOADING_RESULTS = 5;
 }
 
+// ConversionResolution represents preset output quality targets.
+enum ConversionResolution {
+  CONVERSION_RESOLUTION_UNSPECIFIED = 0;
+  CONVERSION_RESOLUTION_SD = 1;
+  CONVERSION_RESOLUTION_HD = 2;
+  CONVERSION_RESOLUTION_FHD = 3;
+  CONVERSION_RESOLUTION_QHD = 4;
+  CONVERSION_RESOLUTION_UHD = 5;
+}
+
 // Slide contains extracted notes and the rendered image URL for one slide.
 message Slide {
   int32 index = 1;
@@ -56,11 +66,14 @@ message SlideDeck {
   string source_filename = 2;
   repeated Slide slides = 3;
   google.protobuf.Timestamp created_at = 4;
+  int32 width = 5;
+  int32 height = 6;
 }
 
 // CreateConversionRequest starts a conversion session.
 message CreateConversionRequest {
   string source_filename = 1;
+  ConversionResolution resolution = 2;
 }
 
 // CreateConversionResponse returns upload details for the session.
diff --git a/python/packages/officeconvert/src/officeconvert/conversion.py b/python/packages/officeconvert/src/officeconvert/conversion.py
index db35a8b..65f609d 100644
--- a/python/packages/officeconvert/src/officeconvert/conversion.py
+++ b/python/packages/officeconvert/src/officeconvert/conversion.py
@@ -5,6 +5,7 @@ from __future__ import annotations
 from collections.abc import Callable
 from dataclasses import dataclass
 import logging
+import math
 from pathlib import Path
 import subprocess
 from typing import Iterable
@@ -27,6 +28,12 @@ class SlideDeckResult:
 
     source_filename: str
     slides: list[SlideArtifact]
+    width: int
+    height: int
+    inferred_dpi: int
+    pptx_to_pdf_timeout_s: int
+    pdf_to_images_timeout_s: int
+    pdf_to_images_page_timeout_s: int
 
 
 ProgressCallback = Callable[[str, int, int], None]
@@ -36,6 +43,21 @@ PHASE_EXTRACTING_NOTES = "extracting_notes"
 PHASE_PPTX_TO_PDF = "pptx_to_pdf"
 PHASE_PDF_TO_IMAGES = "pdf_to_images"
 
+RESOLUTION_SD = "sd"
+RESOLUTION_HD = "hd"
+RESOLUTION_FHD = "fhd"
+RESOLUTION_QHD = "qhd"
+RESOLUTION_UHD = "uhd"
+
+_SHORT_EDGE_PIXELS_BY_RESOLUTION = {
+    RESOLUTION_SD: 480,
+    RESOLUTION_HD: 720,
+    RESOLUTION_FHD: 1080,
+    RESOLUTION_QHD: 1440,
+    RESOLUTION_UHD: 2160,
+}
+_EMU_PER_INCH = 914400
+
 logger = logging.getLogger("uvicorn.error")
 
 
@@ -108,6 +130,8 @@ def render_pdf_to_images(
     out_dir: Path,
     *,
     dpi: int = 72,
+    target_width: int | None = None,
+    target_height: int | None = None,
     image_format: str = "png",
     timeout_s: int = 120,
     total_pages: int | None = None,
@@ -132,14 +156,24 @@ def render_pdf_to_images(
     """
     if not pdf_path.exists():
         raise FileNotFoundError(f"source PDF does not exist: {pdf_path}")
+    if (target_width is None) != (target_height is None):
+        raise ValueError("target_width and target_height must be provided together")
+    if target_width is not None and target_width <= 0:
+        raise ValueError("target_width must be greater than zero")
+    if target_height is not None and target_height <= 0:
+        raise ValueError("target_height must be greater than zero")
 
     out_dir.mkdir(parents=True, exist_ok=True)
+    scale_args: list[str] = []
+    if target_width is not None and target_height is not None:
+        scale_args = ["-scale-to-x", str(target_width), "-scale-to-y", str(target_height)]
     if total_pages is None:
         prefix_path = out_dir / "slide"
         command = [
             "pdftoppm",
             "-r",
             str(dpi),
+            *scale_args,
             f"-{image_format}",
             str(pdf_path.resolve()),
             str(prefix_path),
@@ -156,7 +190,7 @@ def render_pdf_to_images(
             message = (
                 "Poppler rasterization timed out after "
                 f"{timeout_s} seconds while rendering {pdf_path.name}; "
-                "increase conversion PDF render timeout cap or lower image DPI"
+                "increase conversion PDF render timeout cap or lower output resolution"
             )
             logger.error(message, exc_info=True)
             raise ConversionTimeoutError(message) from exc
@@ -175,6 +209,7 @@ def render_pdf_to_images(
                 "pdftoppm",
                 "-r",
                 str(dpi),
+                *scale_args,
                 f"-{image_format}",
                 "-f",
                 str(page_index),
@@ -202,7 +237,7 @@ def render_pdf_to_images(
                 message = (
                     "Poppler rasterization timed out while rendering page "
                     f"{page_index}/{total_pages} of {pdf_path.name}; "
-                    f"{timeout_context}. Increase timeout settings or lower image DPI."
+                    f"{timeout_context}. Increase timeout settings or lower output resolution."
                 )
                 logger.error(message, exc_info=True)
                 raise ConversionTimeoutError(message) from exc
@@ -254,7 +289,7 @@ def convert_pptx_to_slidedeck(
     pptx_path: Path,
     work_dir: Path,
     *,
-    dpi: int = 72,
+    resolution: str = RESOLUTION_FHD,
     image_format: str = "png",
     pptx_to_pdf_timeout_s: int = 180,
     pdf_to_images_timeout_s: int = 1800,
@@ -273,7 +308,7 @@ def convert_pptx_to_slidedeck(
     Args:
         pptx_path: Source `.pptx` path.
         work_dir: Scratch directory for generated outputs.
-        dpi: Rasterization DPI for output slide images.
+        resolution: Output resolution preset (`sd`, `hd`, `fhd`, `qhd`, `uhd`).
         image_format: Output image format accepted by `pdftoppm`.
         pptx_to_pdf_timeout_s: Timeout in seconds for the LibreOffice subprocess.
         pdf_to_images_timeout_s: Timeout in seconds for the Poppler subprocess.
@@ -292,6 +327,18 @@ def convert_pptx_to_slidedeck(
     _emit_progress(progress_callback, PHASE_EXTRACTING_NOTES, 0, 1)
     notes = extract_slide_notes(pptx_path)
     _emit_progress(progress_callback, PHASE_EXTRACTING_NOTES, 1, 1)
+    slide_width, slide_height = _read_slide_size_emu(pptx_path)
+    output_width, output_height = _infer_output_dimensions_from_slide_size(
+        slide_width=slide_width,
+        slide_height=slide_height,
+        resolution=resolution,
+    )
+    inferred_dpi = infer_minimum_raster_dpi(
+        slide_width_emu=slide_width,
+        slide_height_emu=slide_height,
+        output_width_px=output_width,
+        output_height_px=output_height,
+    )
     slide_count = len(notes)
     pptx_to_pdf_timeout = _compute_adaptive_timeout(
         slide_count=slide_count,
@@ -317,12 +364,16 @@ def convert_pptx_to_slidedeck(
         base_timeout_s=pdf_to_images_base_timeout_s,
     )
     logger.info(
-        "Conversion plan source=%s slides=%d dpi=%d image_format=%s "
+        "Conversion plan source=%s slides=%d inferred_dpi=%d image_format=%s "
+        "resolution=%s output_size=%dx%d "
         "computed_timeouts_s[pptx_to_pdf_total=%d,pdf_to_images_total=%d,pdf_to_images_per_page=%d]",
         pptx_path.name,
         slide_count,
-        dpi,
+        inferred_dpi,
         image_format,
+        resolution,
+        output_width,
+        output_height,
         pptx_to_pdf_timeout,
         pdf_to_images_timeout,
         pdf_to_images_page_timeout,
@@ -330,7 +381,9 @@ def convert_pptx_to_slidedeck(
     image_paths = render_pdf_to_images(
         pdf_path,
         image_dir,
-        dpi=dpi,
+        dpi=inferred_dpi,
+        target_width=output_width,
+        target_height=output_height,
         image_format=image_format,
         timeout_s=pdf_to_images_page_timeout,
         total_pages=slide_count,
@@ -353,7 +406,82 @@ def convert_pptx_to_slidedeck(
         SlideArtifact(index=index, image_path=image_path, notes_plain=note)
         for index, (image_path, note) in enumerate(zip(image_paths, notes), start=1)
     ]
-    return SlideDeckResult(source_filename=pptx_path.name, slides=slides)
+    return SlideDeckResult(
+        source_filename=pptx_path.name,
+        slides=slides,
+        width=output_width,
+        height=output_height,
+        inferred_dpi=inferred_dpi,
+        pptx_to_pdf_timeout_s=pptx_to_pdf_timeout,
+        pdf_to_images_timeout_s=pdf_to_images_timeout,
+        pdf_to_images_page_timeout_s=pdf_to_images_page_timeout,
+    )
+
+
+def infer_output_dimensions_for_resolution(
+    pptx_path: Path,
+    *,
+    resolution: str,
+) -> tuple[int, int]:
+    """Infer output image dimensions from source slide aspect ratio and preset."""
+    slide_width, slide_height = _read_slide_size_emu(pptx_path)
+    return _infer_output_dimensions_from_slide_size(
+        slide_width=slide_width,
+        slide_height=slide_height,
+        resolution=resolution,
+    )
+
+
+def infer_minimum_raster_dpi(
+    *,
+    slide_width_emu: int,
+    slide_height_emu: int,
+    output_width_px: int,
+    output_height_px: int,
+) -> int:
+    """Compute the minimum DPI needed to reach target output dimensions."""
+    if slide_width_emu <= 0 or slide_height_emu <= 0:
+        raise ValueError("source slide dimensions must be greater than zero")
+    if output_width_px <= 0 or output_height_px <= 0:
+        raise ValueError("output dimensions must be greater than zero")
+    dpi_for_width = (output_width_px * _EMU_PER_INCH) / slide_width_emu
+    dpi_for_height = (output_height_px * _EMU_PER_INCH) / slide_height_emu
+    return max(1, math.ceil(max(dpi_for_width, dpi_for_height)))
+
+
+def _read_slide_size_emu(pptx_path: Path) -> tuple[int, int]:
+    """Read presentation slide size in English Metric Units (EMU)."""
+    if not pptx_path.exists():
+        raise FileNotFoundError(f"source PPTX does not exist: {pptx_path}")
+    presentation = Presentation(str(pptx_path.resolve()))
+    # Canonical python-pptx API on `Presentation` object.
+    slide_width = presentation.slide_width
+    slide_height = presentation.slide_height
+    if slide_width is None or slide_height is None:
+        raise ValueError("source presentation did not define slide dimensions")
+    slide_width = int(slide_width)
+    slide_height = int(slide_height)
+    if slide_width <= 0 or slide_height <= 0:
+        raise ValueError("source slide dimensions must be greater than zero")
+    return slide_width, slide_height
+
+
+def _infer_output_dimensions_from_slide_size(
+    *,
+    slide_width: int,
+    slide_height: int,
+    resolution: str,
+) -> tuple[int, int]:
+    """Infer output dimensions from slide size and short-edge preset."""
+    normalized = resolution.strip().lower()
+    short_edge_pixels = _SHORT_EDGE_PIXELS_BY_RESOLUTION.get(normalized)
+    if short_edge_pixels is None:
+        raise ValueError(f"unsupported resolution preset: {resolution}")
+    if slide_width >= slide_height:
+        long_edge = max(1, round(short_edge_pixels * (slide_width / slide_height)))
+        return long_edge, short_edge_pixels
+    long_edge = max(1, round(short_edge_pixels * (slide_height / slide_width)))
+    return short_edge_pixels, long_edge
 
 
 def _compute_adaptive_timeout(
diff --git a/python/packages/server/src/officeconvert_server/config.py b/python/packages/server/src/officeconvert_server/config.py
index c2fd76a..bf3643e 100644
--- a/python/packages/server/src/officeconvert_server/config.py
+++ b/python/packages/server/src/officeconvert_server/config.py
@@ -16,7 +16,6 @@ class ServerConfig:
     s3_secure: bool
     s3_public_endpoint: str
     s3_session_ttl_seconds: int
-    conversion_image_dpi: int
     conversion_pptx_to_pdf_timeout_seconds: int
     conversion_pdf_to_images_timeout_seconds: int
     conversion_pptx_to_pdf_base_timeout_seconds: int
@@ -35,7 +34,6 @@ def load_server_config() -> ServerConfig:
         s3_secure=os.getenv("S3_USE_SSL", "false").lower() == "true",
         s3_public_endpoint=os.getenv("S3_PUBLIC_ENDPOINT", "localhost:8333"),
         s3_session_ttl_seconds=int(os.getenv("S3_SESSION_TTL_SECONDS", "3600")),
-        conversion_image_dpi=int(os.getenv("CONVERSION_IMAGE_DPI", "72")),
         conversion_pptx_to_pdf_timeout_seconds=int(
             os.getenv("CONVERSION_PPTX_TO_PDF_TIMEOUT_SECONDS", "180")
         ),
diff --git a/python/packages/server/src/officeconvert_server/models.py b/python/packages/server/src/officeconvert_server/models.py
index 32b9946..6b1d6e2 100644
--- a/python/packages/server/src/officeconvert_server/models.py
+++ b/python/packages/server/src/officeconvert_server/models.py
@@ -19,6 +19,7 @@ class ConversionSession:
 
     conversion_id: str
     source_filename: str
+    resolution: conversion_pb2.ConversionResolution
     bucket_name: str
     upload_object_key: str
     status: conversion_pb2.ConversionStatus
diff --git a/python/packages/server/src/officeconvert_server/service.py b/python/packages/server/src/officeconvert_server/service.py
index 540ca30..33d2228 100644
--- a/python/packages/server/src/officeconvert_server/service.py
+++ b/python/packages/server/src/officeconvert_server/service.py
@@ -22,6 +22,11 @@ from officeconvert.conversion import (
     PHASE_EXTRACTING_NOTES,
     PHASE_PDF_TO_IMAGES,
     PHASE_PPTX_TO_PDF,
+    RESOLUTION_FHD,
+    RESOLUTION_HD,
+    RESOLUTION_QHD,
+    RESOLUTION_SD,
+    RESOLUTION_UHD,
 )
 from officeconvertapi.v1 import conversion_connect, conversion_pb2
 
@@ -31,6 +36,14 @@ from officeconvert_server.storage import S3Store
 
 logger = logging.getLogger("uvicorn.error")
 
+_RESOLUTION_PRESET_BY_PROTO = {
+    conversion_pb2.CONVERSION_RESOLUTION_SD: RESOLUTION_SD,
+    conversion_pb2.CONVERSION_RESOLUTION_HD: RESOLUTION_HD,
+    conversion_pb2.CONVERSION_RESOLUTION_FHD: RESOLUTION_FHD,
+    conversion_pb2.CONVERSION_RESOLUTION_QHD: RESOLUTION_QHD,
+    conversion_pb2.CONVERSION_RESOLUTION_UHD: RESOLUTION_UHD,
+}
+
 
 class ConversionServiceImpl(conversion_connect.ConversionService):
     """Implements the conversion API with in-memory state and S3 orchestration."""
@@ -54,6 +67,11 @@ class ConversionServiceImpl(conversion_connect.ConversionService):
             raise ConnectError(Code.INVALID_ARGUMENT, "source_filename is required")
         if not source_filename.lower().endswith(".pptx"):
             raise ConnectError(Code.INVALID_ARGUMENT, "only .pptx input is supported")
+        resolution = request.resolution
+        if resolution == conversion_pb2.CONVERSION_RESOLUTION_UNSPECIFIED:
+            resolution = conversion_pb2.CONVERSION_RESOLUTION_FHD
+        if resolution not in _RESOLUTION_PRESET_BY_PROTO:
+            raise ConnectError(Code.INVALID_ARGUMENT, "resolution is invalid")
 
         conversion_id = str(uuid.uuid4())
         bucket_name = f"oc-{conversion_id}"
@@ -70,6 +88,7 @@ class ConversionServiceImpl(conversion_connect.ConversionService):
         session = ConversionSession(
             conversion_id=conversion_id,
             source_filename=source_filename,
+            resolution=resolution,
             bucket_name=bucket_name,
             upload_object_key=upload_key,
             status=conversion_pb2.CONVERSION_STATUS_PENDING,
@@ -186,11 +205,11 @@ class ConversionServiceImpl(conversion_connect.ConversionService):
         """Execute conversion flow and persist terminal state in memory."""
         started_at = time.monotonic()
         logger.info(
-            "Starting conversion conversion_id=%s source_filename=%s dpi=%d "
+            "Starting conversion conversion_id=%s source_filename=%s resolution=%s "
             "timeout_caps_s[pptx_to_pdf_total=%d,pdf_to_images_total=%d]",
             session.conversion_id,
             session.source_filename,
-            self._config.conversion_image_dpi,
+            conversion_pb2.ConversionResolution.Name(session.resolution),
             self._config.conversion_pptx_to_pdf_timeout_seconds,
             self._config.conversion_pdf_to_images_timeout_seconds,
         )
@@ -210,7 +229,7 @@ class ConversionServiceImpl(conversion_connect.ConversionService):
                 convert_pptx_to_slidedeck,
                 source_path,
                 work_dir,
-                dpi=self._config.conversion_image_dpi,
+                resolution=_RESOLUTION_PRESET_BY_PROTO[session.resolution],
                 pptx_to_pdf_timeout_s=self._config.conversion_pptx_to_pdf_timeout_seconds,
                 pdf_to_images_timeout_s=self._config.conversion_pdf_to_images_timeout_seconds,
                 pptx_to_pdf_base_timeout_s=self._config.conversion_pptx_to_pdf_base_timeout_seconds,
@@ -224,6 +243,20 @@ class ConversionServiceImpl(conversion_connect.ConversionService):
                     max_progress=max_value,
                 ),
             )
+            logger.info(
+                "Resolved conversion plan conversion_id=%s source_filename=%s "
+                "resolution=%s inferred_dpi=%d output_size=%dx%d "
+                "computed_timeouts_s[pptx_to_pdf_total=%d,pdf_to_images_total=%d,pdf_to_images_per_page=%d]",
+                session.conversion_id,
+                session.source_filename,
+                conversion_pb2.ConversionResolution.Name(session.resolution),
+                result.inferred_dpi,
+                result.width,
+                result.height,
+                result.pptx_to_pdf_timeout_s,
+                result.pdf_to_images_timeout_s,
+                result.pdf_to_images_page_timeout_s,
+            )
             self._set_session_progress(
                 session,
                 phase=conversion_pb2.CONVERSION_PHASE_UPLOADING_RESULTS,
@@ -235,6 +268,8 @@ class ConversionServiceImpl(conversion_connect.ConversionService):
                 session,
                 result.slides,
                 result.source_filename,
+                result.width,
+                result.height,
                 lambda current, max_value: self._set_session_progress(
                     session,
                     phase=conversion_pb2.CONVERSION_PHASE_UPLOADING_RESULTS,
@@ -300,6 +335,8 @@ class ConversionServiceImpl(conversion_connect.ConversionService):
         session: ConversionSession,
         slides: list[SlideArtifact],
         source_filename: str,
+        width: int,
+        height: int,
         progress_callback: Callable[[int, int], None] | None = None,
     ) -> conversion_pb2.SlideDeck:
         """Upload generated slide images and construct API response payload."""
@@ -328,6 +365,8 @@ class ConversionServiceImpl(conversion_connect.ConversionService):
             source_filename=source_filename,
             slides=response_slides,
             created_at=_to_timestamp(utc_now()),
+            width=width,
+            height=height,
         )
 
     async def _delayed_cleanup(self, session: ConversionSession) -> None: