Compare PDFs
Compare PDF text or render a visual diff with changed-page filtering and heatmaps.
Loading tool…
Drag a PDF here, or click to choose
Drag a PDF here, or click to choose
How to compare two PDFs
- Drop the original PDF into the "A (original)" dropzone.
- Drop the revised PDF into the "B (revised)" dropzone.
- Click "Compare" to download a text diff report.
FAQ
Are my files uploaded to a server?
No — everything runs locally in your browser; your files never leave your device.
Does this compare the visual layout of the PDFs?
Yes. Visual comparison renders pages locally and reports pixel, image, formatting, page-size and layout differences.