The free Repair PDF tool rescues damaged and corrupted files. Upload a PDF that will not open, shows an error, or displays as blank, and the tool attempts to rebuild it into a working document you can download. It is free, adds no watermark, and needs no account.
The tool tries several recovery methods in turn, starting with the most precise and escalating to more aggressive rebuilds, and stops as soon as one produces a valid, openable file. This gives a damaged document the best chance of being recovered. It is honest about the limit, too: it recovers files whose structure is broken, and if a file is genuinely beyond repair, it tells you rather than handing back an empty document.
How to Repair a PDF
- Upload your PDF. Select the damaged file or drag it onto the upload area.
- Repair. The tool works through its recovery methods to rebuild the file.
- Download. Save the repaired PDF, or read the tool's message if the file could not be recovered.
What Repair Can and Cannot Fix
Most PDF problems are structural: a broken cross-reference table, malformed objects, or a corrupted trailer that stops the file from opening even though the content is still there. These the tool can often rebuild, recovering your document. What no repair tool can do is restore data that is physically gone, for example a file that was cut off during a download or transfer and is missing part of its content. There is nothing to rebuild from in that case. When the tool cannot recover a file, it says so plainly instead of producing a blank or broken result, so you know where you stand.
Is My File Safe?
Your files are handled securely. Uploaded PDFs are deleted from our servers immediately after processing, whether it succeeds or fails. The result is stored under a random, unguessable name and stays available to download for up to two hours, then it is automatically and permanently deleted. All uploads and downloads use a secure HTTPS connection.
When to Repair a PDF
- A file that will not open. Recover a document that throws an error when you try to open it.
- A corrupted download. Rebuild a file that was damaged in transfer, where the content survived.
- A blank or broken display. Fix a PDF that opens but shows nothing or renders incorrectly.
- A file other tools reject. Repair a document so it can be opened or processed elsewhere.
Related PDF Tools
Once repaired, you can compress the file, optimize it, or merge it with others.
