Compare PDFs
Upload two versions of a document and see exactly what was added, removed or changed, word by word, side by side.
Original document
Select the original PDF
or drag and drop a file here
Revised document
Select the revised PDF
or drag and drop a file here
How it works
How to compare pdfs online
- 1
Upload the original and the revised PDF.
- 2
Click Compare. Text is extracted and matched in your browser.
- 3
Review insertions and deletions side by side and export the report.
FAQ
Questions about Compare PDFs
What kinds of differences are shown?+
Inserted and deleted words, lines or characters are highlighted side by side, with a summary count at the top.
Can I ignore formatting noise?+
Yes. Options let you ignore case, spacing and numbers so only meaningful wording changes stand out.
Does it compare scanned documents?+
Run OCR on both files first, then compare the results.
Are my files uploaded anywhere?+
No. Everything runs in your browser; your file never leaves your device.