Compare PDF
Compare the text of two PDFs and see what changed, right in your browser.
PDF A
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PDF B
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Only in A
Only in B
Couldn't load the preview engine."{name}" couldn't be read — it may be corrupted or password-protected.These PDFs have too much text to compare in the browser — try smaller files.Drop a PDF here, or click to chooseOnly PDF files are supported.Comparing…No differences found.{n} line differs.{n} lines differ.Something went wrong.
How it works
Add two PDFs and compare — lines only in A are marked removed, lines only in B are marked added. Comparison is text-based, so it won't catch purely visual differences (like font or color changes). Everything happens locally in your browser.