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Compare PDF
PDF A
First document for text comparison.
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Supports PDF files
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PDF B
Second document for text comparison.
Drop PDF B here or browse
Supports PDF files
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Compares extracted plain text only (same engine as PDF to Text). Scanned PDFs may yield little or no text.
▸About this tool
Line-oriented diff of extracted text from two PDFs. Not a pixel-level or structural compare.
▸Privacy and details
Your files never leave your device.
Fast browser processing with no account required.
Optimized for desktop and mobile with accessible controls.
▸How to use
- Choose PDF A or B, upload the first file, switch radio, upload the second.
- Click Compare text to build a unified diff.
- Download the patch file when you want the diff outside the browser.
▸Why use this tool
Lightweight change review when both PDFs contain real text. Scanned pages may produce empty or sparse output.