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Repair a damaged PDF

Updated 2026-10-11

Fix a PDF that won’t open, shows errors or was cut off during download. Docmend rebuilds its structure in your browser. A free Docmend tool that runs in your browser. The same PDF tools are in the Docmend Chrome extension.

Files stay on your computer. Free, with no limits.
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How to repair a damaged PDF

  1. Choose the PDF that won’t open.
  2. Click Repair PDF.
  3. Open the rebuilt copy.

Common questions

Can every PDF be repaired?

Most files with a broken index or missing ending can. If parts of the file are missing, those pages can’t be brought back.

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