Compare PDFs
Compare the text of two PDF files side by side and see exactly what was added or removed.
How to use Compare PDFs
- Add your PDFs. Click the upload area or drag and drop up to 2 files (PDF). Nothing is uploaded; it stays on your device.
- Choose your options. Adjust the settings for Compare PDFs if they are shown, or keep the defaults for a quick result.
- Run Compare PDFs. Press the "Compare PDFs" button and wait a moment while your PDF is processed.
- Download the result. Your TXT result downloads straight away. Process another file whenever you like, with no limits or sign-up.
Why use Compare PDFs?
- Private by design: runs in your browser, nothing is uploaded
- Free with no sign-up and no watermark
- Fast, with no upload or download wait
- Works on phone, tablet and desktop
Common uses for Compare PDFs
- Check what changed between two versions of a contract.
- Verify a revised policy against the original.
- Confirm a re-exported report did not lose content.
Private by design
Compare PDFs runs entirely in your browser. Your PDF is read and processed on your own device and is never uploaded to our servers. Read our Privacy Policy for details.
Frequently asked questions
Does it compare images and layout?
It compares extracted text, which is ideal for spotting wording changes. Visual-only differences are not highlighted.
Is Compare PDFs free to use?
Yes. Compare PDFs is free, needs no account and never adds a watermark to your result.
Is my PDF uploaded when I use Compare PDFs?
No. Compare PDFs works inside your browser, so your PDF stays on your device from start to finish.
What file types does Compare PDFs accept?
Compare PDFs accepts PDF and produces TXT.
Is there a file size limit for Compare PDFs?
You can process files up to 50 MB each, with up to 2 files at a time.
Does Compare PDFs work on my phone?
Yes. Compare PDFs is fully responsive and works in the browser on Android, iPhone, tablets and desktop computers.