Repair a damaged PDF
Repair a PDF that no longer opens properly (interrupted download, damaged file) by rebuilding its structure.
Drop your files here
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🔒 Processed on your device, never uploaded
∞ Unlimited: no limit on file size or number of files
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Preview
How can I fix a corrupted PDF that won't open?
Add the damaged file to Lunyce, start the repair and download the rebuilt PDF. The tool fixes structure errors such as a broken object table or end of file, common after an interrupted download; if data is actually missing, only the remaining parts can be recovered. Processing is local and free, with no account and no size limit.
How to
- Add the damaged PDF.
- Start the repair.
- Download the repaired PDF.
Frequently asked questions
Can every PDF be repaired?
Structure errors (object table, end of file) repair very well. If data has disappeared from the file, only the remaining parts can be recovered.
Are my files uploaded to a server?
No. Processing happens entirely in your browser, on your device. No file is uploaded or stored. You can check: once the page has loaded, disconnect from the internet and the tool still works.
Is there a file size or number limit?
No. Since nothing goes through our servers, there is no quota. The only limit is your device's memory: a computer handles very large files more easily than a phone.
Is it really free?
Yes. No sign-up, no watermark added to your documents and no usage limit.