Compress PDF
Reduce PDF file size while keeping the quality you need.
Repair a damaged PDF
Upload a PDF that won't open, shows errors or looks broken. We try several repair methods and give you back the first readable version.
Your PDF has been repaired
The download link expires in 30 minutes. After that the file is deleted automatically.
Done — your file has been deleted from our servers.
Processed on your device: your file never left your computer or phone.
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How to repair a PDF
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Step 1: Select or drop the damaged PDF.
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Step 2: Click Repair PDF.
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Step 3: Download the repaired file and check its pages.
Get a broken file working again
An interrupted download, a failing drive or a buggy export can leave a PDF that viewers refuse to open. Often the content is still there and only the file's internal structure is damaged, which is exactly what a repair can fix.
It's worth a try before asking someone to resend the file. There's nothing to install and no account to create.
How does PDF repair work?
A PDF contains a cross-reference table that tells viewers where each object is stored. When that table is broken, the file is truncated or some objects are invalid, readers give up. We run the file through several engines in turn (qpdf, Ghostscript and a built-in rebuilder) that scan the raw data and rebuild the structure, and return the first result that opens cleanly.
Repair can only rebuild what is still in the file. If part of the data is physically missing, some pages or images may be lost, and a badly damaged file may not be recoverable at all.
Frequently asked questions
Can every PDF be repaired?
No. Structural problems are usually fixable, but content that is missing from the file can't be brought back. Heavily damaged files may come back with fewer pages, or not at all.
Can I repair a password-protected PDF?
Not directly. Remove the password first with Unlock PDF, then repair the unlocked copy.
Will the repaired file look exactly like the original?
In most cases, yes. Check the result anyway, since pages that were damaged may be missing or incomplete.
Is my damaged file kept on your server?
No. The upload is deleted right after processing, and the repaired PDF is deleted automatically after 30 minutes. Delete now removes it immediately.
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