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How to use Compare PDF
Compare PDF. Highlight text differences in two PDFs. No. It compares the text content, which is what matters for contracts and drafts.
The short answer
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.
It runs in your browser. What you enter is not uploaded.
How to use it
Choose your file with the upload box above, or drag and drop it onto the box.
Adjust the options; the preview updates as you change them.
Click the main button to process the file in your browser.
Download the result. Your original file is never changed or uploaded.
Limits worth knowing
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.