PDF Repair
Diagnose and repair corrupt or damaged PDF files with detailed reports. Supports batch repair.
No watermarkFree & unlimited
All processing happens in your browser. No data is sent to any server.
About this tool
- 1
Upload the damaged PDF
Select the corrupt or broken PDF file you want to attempt to fix.
- 2
Start repair
The tool analyzes the file structure and attempts to reconstruct damaged sections.
- 3
Review repair results
Check the repair summary to see what was fixed and if any data could not be recovered.
- 4
Download repaired PDF
Save the repaired file and verify it opens correctly in your PDF viewer.
- The sooner you attempt repair, the better - avoid overwriting the original damaged file.
- Not all corruption can be fixed. Severely damaged files may only be partially recoverable.
- Try opening the repaired file in multiple PDF viewers to confirm compatibility.
- If repair fails, try opening the original in a different PDF reader - some are more tolerant of minor corruption.
- Auto error detection
- Cross-ref reconstruction
- Recovers pages & images
- Repair summary report
- Fixes crash-prone PDFs
- Recover a PDF that was corrupted during download or file transfer
- Fix PDFs that display error messages when opened
- Repair files damaged by incomplete email attachments
- Salvage important documents from failing storage devices
The tool can fix many common issues like broken cross-references and missing metadata, but severely damaged files where page data is lost may not be fully recoverable.
In most cases yes, though some minor elements like bookmarks or metadata may not survive repair if they were in the corrupted sections.
Yes. All processing happens in your browser. The file is never uploaded to a server.