Compare PDF
To compare two PDFs, add the original and the revised file. ClickZM extracts the text of both and highlights words that were added in green and removed in red, with a similarity percentage.
- Free
- No signup
- Runs in your browser
How to use Compare PDF
- 1Choose your file with the upload box above, or drag and drop it onto the box.
- 2Adjust the options; the preview updates as you change them.
- 3Click the main button to process the file in your browser.
- 4Download the result. Your original file is never changed or uploaded.
Compare PDF: questions people ask
Does it compare images and layout?
No. It compares the text content, which is what matters for contracts and drafts. Visual changes such as moved images are not flagged.
Can I compare a PDF with a Word file?
Convert the Word file with Word to PDF first, then compare the two PDFs.
Is my data uploaded when I use the Compare PDF?
No. The Compare PDF runs entirely in your web browser, so your files stay on your device and work even on a slow connection.
Does the Compare PDF work on iPhone, Android and Mac?
Yes. The Compare PDF runs in any modern browser (Safari, Chrome, Edge or Firefox) on iPhone, iPad, Android phones, Mac, Windows and Chromebook. There is no app to install.
Is the Compare PDF free?
Yes. The Compare PDF is free with no signup, no watermark and no daily limit.