PDF Compare & Redline
See text changes between two PDF versions and export a page-by-page redline report.
1. Prepare your inputs
Ready when you are.
2. Review your result
How it works
- Choose a file or enter the requested information.
- Review the preview and any validation issues.
- Prepare the export package, then choose secure guest checkout.
Text comparison only: no OCR, image comparison or layout-change detection. Pages align by page number. Up to 100 pages, 20 MB per file and 400,000 extracted characters. Image-only PDFs are rejected.
Keep your checkout receipt in this browser to retrieve the same paid result during its 30-day retention period. Checkout availability depends on the existing payment service. AI results and legal drafts require human review.
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Fax a reviewed PDF comparison report
Export the comparison package and review the PDF report before uploading it. Make sure the recipient needs the change report, rather than only the final document version.
US$2.99 for the first 5 document pages, plus US$0.30 per additional page and applicable tax. The optional cover page is free. This tool’s export fee, if any, is separate from fax sending.