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Compare two PDFs and download a page-by-page report.
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Compare PDF delivers exactly what its name promises, compare two pdfs and download a page-by-page report, fast and free. Because it belongs to ToolsMonk's pdf tools collection, the whole workflow happens on a single page instead of being spread across separate apps or websites.
People reach for it most often when they need checking what changed between two versions of a document, comparing a draft and a final contract, and verifying whether two pdfs are identical. With nothing to install, an unexpected one-off job takes no longer to start than your regular routine.
Everything about Compare PDF is tuned for speed to first result, with privacy-friendly processing and the rest of ToolsMonk's tools nearby when the next task comes up.
| Price | Free, no signup, no paywall, no watermark |
|---|---|
| Works on | Any modern browser: desktop, tablet, and mobile |
| Processing | In your browser, files never leave your device |
| Account required | None |
| Category | PDF Tools |
Upload the two PDFs to compare
The tool analyses them and produces a page-by-page comparison report
Review where the documents differ
Download the report
Compares two PDFs and produces a page-by-page report
Highlights where the documents differ
Useful for spotting changes between versions
Runs in your browser, your documents are never uploaded
Downloadable comparison report
Free, with no limit
Checking what changed between two versions of a document
Comparing a draft and a final contract
Verifying whether two PDFs are identical
Reviewing edits between revisions
At its core, Compare PDF does one thing well, compare two pdfs and download a page-by-page report, with instant, accurate results. There is no software to install and no account to create; the tool is ready the moment the page loads.
All processing runs locally in your browser, so your files and data never leave your device. Like every tool in the PDF Tools collection, it works across all modern browsers on desktop, tablet, and mobile: same features, same results, on every device.
Compare PDF analyses two PDF documents and produces a page-by-page report of where they differ, the fast way to see what changed between versions without re-reading both files end to end.
Its value is directing your attention. Spotting a single altered figure or clause buried in a long document by eye is slow and error-prone; a comparison report points you to where the differences are, so you review the changed areas rather than the whole thing. That's a big time-saver for contracts, drafts, and revisions.
It's worth setting expectations on depth: it generates a comparison report rather than the forensic, word-level visual redline that specialised legal document-comparison software produces. For confirming whether and broadly where two PDFs differ, it's exactly right; for precise clause-by-clause redlining, dedicated tools go further.
Both documents are compared in your browser and never uploaded, valuable when reviewing confidential drafts. Scanned image PDFs would need OCR PDF run first to have comparable text. Pair it with the other ToolsMonk PDF tools for a complete document workflow.
Use it to focus your review on what changed rather than re-reading both documents
For forensic, word-level contract redlining, dedicated comparison software goes deeper
For scanned PDFs, OCR them first so there's text content to compare
Common questions about this tool, its workflow, and what to expect before you use it.
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Free online PDF editor: edit existing text, highlight and mark up, fill forms, sign, redact, organize pages, and export to PDF, Word, Excel, or image.
Try itCheck a PDF for tags, alt text, headings, table headers, and language against WCAG criteria.
Try itReduce PDF file size without losing quality.
Try itCombine multiple PDF files into one document, with an optional compress & merge mode.
Try itExtract pages from a PDF into separate files.
Try itConvert PDF pages to JPG, PNG, or WebP images with adjustable DPI.
Try itConvert PDF to an editable Word (DOCX) document with paragraphs, headings, lists and real tables preserved, entirely in your browser.
Try itConvert a PDF into a real, openable .pptx that looks identical to the original with fully editable text, plus exact-image and clean text-only modes. One slide per page, in your browser.
Try itWriting a roundup or tutorial? Embed the live Compare PDF so readers use it right on your page, or drop in a ready-made card that links to it. Free to use, always.
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Compare two PDFs and download a page-by-page report.
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Readers use the real, working tool right on your page, with a small credit line underneath.
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