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Open-Source PDF SDK & AI Document Processing

Get the full self-hosted SDK and AI document processing on GitHub. One-click deploy to quickly build your document workflows.

Introduction

ComPDFKit Watermarking Functions

  • Overlay Comparison

    Overlay Compare is used to visually compare pages from different documents. It is useful for construction plans, detailed drawings, and other content that requires precise placement.

  • Content Comparison

    Quickly identify changes by comparing two versions of a PDF file.