Repair PDF
Repair PDF
Attempt a structural rewrite of a damaged PDF in your browser.
This attempts to parse and rewrite a PDF using qpdf compiled to WebAssembly. It may help with structural damage, but cannot restore deleted or overwritten content. Severe corruption may still fail.
Multi Video Downloader · Tool guide
How to Use Repair PDF
This PDF repair tool attempts to read and rewrite a supported PDF to help with some structural problems. It cannot recover every corrupted file, and it is not a forensic recovery service.
How to use Repair PDF online
- Make a copy of the damaged PDF first.
- Choose the copy in the repair tool.
- Run the repair or rewrite operation.
- Open the output and check page count, text, images, and important links.
Important: A badly truncated or severely corrupted PDF may not be recoverable. Do not overwrite the only copy of an important document.
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Frequently asked questions about Repair PDF
How can I repair a corrupted PDF?
Keep a copy of the original, choose it in the repair tool, and run the rewrite operation. Open the output and review all pages.
Can every damaged PDF be repaired online?
No. A file with missing data, severe truncation, or unsupported encryption may not be recoverable by a browser tool.
Why does a repaired PDF still have missing pages?
The source file may not contain the missing data, or the parser may not have been able to recover it. Keep the original and try a backup or another trusted recovery method.
Will PDF repair change the layout?
It may. Rewriting can affect some unusual objects, annotations, forms, or metadata. Compare important pages against the original if you can open it.
Should I upload a confidential PDF to a repair website?
Check where processing occurs and whether the tool sends data to a server. For confidential or regulated files, use an approved local application unless the site’s processing has been verified.
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