SkillsAdd

syncfusion/document-sdk-skills

syncfusion-dotnet-pdf-to-image

Convert PDF files to images with customization options (output format, DPI, pages, scaling, and image quality). Supports one mode — generate C# code for the user's project.

First seen Mar 26, 2026

Installation

$ npx skills add syncfusion/document-sdk-skills --skill syncfusion-dotnet-pdf-to-image
View on skills.sh ↗ GitHub repository ↗

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Also in this package

Other skills from syncfusion/document-sdk-skills · top by installs.

npx skills add syncfusion/document-sdk-skills
syncfusion-dotnet-word 313 syncfusion-dotnet-powerpoint 119 syncfusion-dotnet-pdf 95 syncfusion-java-word 93 syncfusion-dotnet-excel 93 syncfusion-javascript-pdf 79 syncfusion-flutter-pdf 72 syncfusion-dotnet-smart-data-extraction 72 syncfusion-dotnet-markdown 71 syncfusion-flutter-excel 69

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More details

Agent compatibility

Declared targets from SKILL.md / docs. Unmarked agents are not listed — the skill may still install via the CLI.

Claude Code Not declared
Cursor Not declared
Codex Not declared
GitHub Copilot Not declared
Windsurf Not declared
Gemini CLI Not declared
Cline Not declared
OpenCode Not declared

Repository health

Stars 2
Default branch master
Open issues 0
Status Active

Skill metadata

Parsed from SKILL.md frontmatter.

Version34.1.29
CompatibilityRequires .NET SDK 8+. Designed for Windows, macOS, and Linux.
More metadata
author
Syncfusion Inc
version
34.1.29

Package contents

Files included with this skill beyond the listing page.

  • skill md SKILL.md 5,714 B
  • docs SUMMARY.md 212 B

History

  1. First seen on skills.sh
  2. First recorded snapshot · 72 installs

SKILL.md

Pdf To Image Converter Using Syncfusion .NET PDF Library

Overview

This PDF to image converter library allows converting PDF documents to images without opening the document in the PDF Viewer control. It allows you to selectively export pages as a stream by utilizing the ‘Convert’ method, facilitating the transformation of PDF files into images.

Quick Start Examples

Example 1: Generate Code

User: "Show me the C# code to convert pdf to image." Result: C# code snippet displayed (no files created)

One Mode

Mode 1: Generate C# Code for the User's Project (default)

Use this mode when the user wants to view, write, review, refactor, or modify C# code related to pdf to image conversion processing. Licensing, authentication, and secret configuration are out of scope.

Trigger keywords: "show me how", "how to", "how can I", "how do I", "provide code", "provide an example", "give an example", "demonstrate", "code snippet", "sample code", "example", "sample", "give me", "show me", "Program.cs", "example code", "generate code for", "codesnippet".

Workflow:

Step 1 — Detect Application Type and Suggest Required NuGet Packages

  • Inspect the workspace project files (.csproj, web.config, App.config, Startup.cs, Program.cs, etc.) and use the detection signals table in references/nuget-packages.md to determine the application type.
  • Based on the detected application type, identify the correct NuGet package(s) from references/nuget-packages.md and instruct the user to install them before generating any code.

Step 2 — Generate Code from Reference Files Only

Do NOT invent, guess, or suggest any API, method, property, class, or namespace not explicitly present in the reference files.

  • Read the relevant references/*.md file(s) for the requested feature
  • Build C# code strictly from the APIs and snippets found in those files.
  • Exclude any licensing, authentication, or secret‑handling logic.
  • Do not create or run any .csx script

API Summary

API / Property Purpose
new PdfToImageConverter(stream) Loads a PDF document from a stream via constructor
new PdfToImageConverter(stream, password) Loads an encrypted PDF document from a stream via constructor
imageConverter.Load(stream) Loads a PDF document from a stream using the Load method
imageConverter.Load(stream, password) Loads an encrypted PDF document from a stream using the Load method
imageConverter.Convert(pageIndex, keepTransparency, isSkipAnnotations) Converts a single PDF page to an image stream
imageConverter.Convert(startPage, endPage, keepTransparency, isSkipAnnotations) Converts a range of PDF pages to an array of image streams
imageConverter.Convert(pageIndex, SizeF, keepAspectRatio, keepTransparency, isSkipAnnotations) Converts a PDF page to an image with a custom width and height
imageConverter.Convert(startPage, endPage, dpiX, dpiY, keepTransparency, isSkipAnnotations) Converts a range of PDF pages to images at a custom DPI resolution (MVC / WinForms / WPF)
imageConverter.Convert(pageIndex, zoomFactor, tileXCount, tileYCount, tileX, tileY) Converts a PDF page to an image using zoom factor and tile matrix coordinates (ASP.NET Core / Blazor)
imageConverter.Convert(startPageIndex, endPageIndex, SizeF, dpiX, dpiY, keepAspectRatio, keepTransparency, isSkipAnnotations) Converts a range of PDF pages to image streams with a custom size and DPI resolution (MVC / WinForms / WPF)
imageConverter.Convert(startPageIndex, endPageIndex, SizeF, keepAspectRatio, keepTransparency, isSkipAnnotations) Converts a range of PDF pages to image streams with a custom width and height.
imageConverter.Convert(pageIndex, SizeF, dpiX, dpiY,keepAspectRatio, keepTransparency, isSkipAnnotations) Converts a single PDF page to an image with a custom size and DPI.
imageConverter.Dispose() Releases all resources used by the PdfToImageConverter.
imageConverter.PageCount Gets the total number of pages in the loaded PDF document
imageConverter.ScaleFactor Sets the scale factor to enhance output image quality (default: 1.5f)
imageConverter.ReferencePath Sets a custom folder path for PDFium binary extraction in restricted-access environments

Code References

All templates and snippets are in the references/ folder:

File Contents
nuget-packages.md Lists the required NuGet packages for PDFToImageConverter per target platform, with application-type detection signals
load.md Loads a PDF document (plain or encrypted) as a stream into PdfToImageConverter using the constructor or the Load method. After the conversion, dispose of the PdfToImageConverter using the Dispose method
customizing-conversion.md Converts PDF pages to images — single page, page range, custom size, custom DPI, and zoom/tile resolution
multithreading-pdf-to-image.md Converts PDF pages to images using multithreading — via Task-based async and Parallel.For patterns

Rules

  • Output files go in ./output/ directory
  • Don't use any API which is not in reference

Prerequisites

  • Install required runtime and library packages from NuGet before generating code.
  • .NET SDK 8+