Compare two PDF files side by side and highlight the text differences between them — right in your browser.
Spotting what changed between two versions of a document by eye is slow and easy to get wrong. Compare PDF puts two files side by side and highlights exactly what is different, so you can review contract edits or track revisions with confidence.
Step-by-step guide: Read how to compare pdf with tips & FAQsDrop your two PDF files onto the Compare PDF tool above, or click to browse and pick them from your device.
KOIAE analyses both documents and highlights precisely what changed between the two versions.
Download a clear list of differences in one click. Any files you upload are deleted automatically afterwards.
Yes — Compare PDF is free. There is no account to create, no watermark on your files, and generous daily limits for everyday use.