INSPECT / FREE BROWSER TOOL
Compare PDF text online
Find changed text between two versions of a document.
Choose files
This is a text comparison, not a visual overlay. Scans without text and geometry-only changes are not detected.
Files are processed on this device. No upload, account, or subscription.
Your PDF preview appears here.
Choose a file or try the sample.How to use Compare PDF text
Compare the existing text layers of two PDFs page by page. Export a JSON report of added and removed lines with page references.
- Choose your source files.
- Add the older PDF first and the newer PDF second.
- Run the tool, review the result, and download your copy.
Good to know
This is a text comparison, not a visual overlay. Scans without text and geometry-only changes are not detected.
Keep your original. Review the downloaded result before issuing, printing, or replacing a project file.
About Compare PDF text
Is this tool free, and do files get uploaded?
Yes. This tool runs locally in your browser without an account. PolyPDF does not receive your input files. Downloads are saved only when you choose to save them.
What files and limits does this tool support?
Choose 2 PDF files. The toolkit supports up to 30 MB per file, 80 MB total input, and 500 PDF pages. Image rendering is limited to 100 pages per operation and 16 megapixels per page. Password-protected files are unsupported; editing signed files is blocked.
Can an AI assistant use this tool?
Yes. The downloadable local MCP server exposes the same operation and validation rules. Compatible browser agents can use the selected files through WebMCP when their browser supports it. Read the setup and privacy details.
WHEN THE FILE IS A DRAWING
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