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Repair PDF – Fix a Corrupted PDF

Rebuild a damaged PDF that will not open and recover the pages that can still be read. Free and private.

Processed on your device · no upload

Drop a PDF here or choose a file

PDF · damaged, will not open or half-downloaded · or paste with Ctrl+V

What to do next

How to use Repair PDF

  1. Add the damaged PDF

    Drop the file that will not open or shows an error.

  2. Repair

    Press Repair PDF. The file structure is rebuilt by scanning the whole file for pages and objects.

  3. Check the result

    Open the saved copy. If a page is still blank, that part of the original was lost and cannot be restored.

Frequently asked questions

What kinds of damage can it fix?
Broken or missing cross-reference tables, wrong object offsets, a cut-off end of file and similar structure errors. These are the usual cause of Cannot open or Document is damaged.
Can it bring back lost content?
No. It recovers everything that is still readable, but data that was cut off or overwritten is gone. A half-downloaded file will give back only the part that arrived.
What if it says the file is too damaged?
Then no readable pages were found. Download or copy the original again, or look for an earlier backup.
Does it fix passwords?
No. If the PDF needs a password, enter it when asked; use Unlock PDF to remove one.
Is my PDF uploaded?
No. It is repaired in your browser and never leaves your device.