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Upload two PDFs and see exactly what changed — word by word, page by page.
Original Document
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Modified Document
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Our PDF Diff tool extracts text from both documents page by page using PDF.js and compares them line by line. Added content is shown in green, removed content in red — just like a code diff. All processing happens in your browser; your files never leave your device.
This is essential for legal document reviews, contract versioning, manuscript edits, and regulatory compliance. Unlike expensive tools like Adobe Acrobat Pro or Draftable, this is included with your Premium subscription.