Repair PDF
Try rebuilding a damaged PDF’s structure.
A fresh start for your PDFs.
Drag a PDF file here and let’s make something happen.
Only on your device. Always in your control.
How to repair PDF
- 1
Choose the damaged PDF.
- 2
Run the structure repair.
- 3
Download and review the recovered file.
About this tool
QPDF and an object-scanning fallback attempt to reconstruct cross-reference information and rewrite recoverable objects. It cannot recover missing page content or fix every damaged file. The original stays unchanged.
On your device
Your document is processed in this browser. Files and passwords are never uploaded.
Free to use
No account, added watermark or daily task quota.
Know what to expect
QPDF and an object-scanning fallback attempt to reconstruct cross-reference information and rewrite recoverable objects. It cannot recover missing page content or fix every damaged file. The original stays unchanged.
Repair PDF FAQ
How does Repair PDF work?
QPDF and an object-scanning fallback attempt to reconstruct cross-reference information and rewrite recoverable objects. It cannot recover missing page content or fix every damaged file. The original stays unchanged.
Are my files uploaded?
No. Document processing runs locally. Your browser downloads the required engines and fonts, but does not send your document to a processing server.