Compare PDF
LocalCompare two PDFs: text-layer diff (added/removed) or per-page pixel difference map — locally in your browser.
Compare two PDFs by extracted text or rendered pixels. Runs locally.
What is it? Compare PDF compares two PDFs either by text-layer diff (added/removed text) or by a per-page pixel difference map.
TL;DR: See what changed between two PDFs: text diff or visual diff.
How to use
- Load the original and revised PDFs.
- Choose text or pixel comparison.
- Review the differences.
FAQ
Which mode should I use?
Use text diff for text documents and pixel diff when layout/graphics matter.
Is it local?
Yes.
Limitations
- Scanned PDFs without a text layer need pixel mode.
- Very large PDFs are slower.
Privacy
Your files are never uploaded — everything is processed locally in your browser.