Uses structural repair rather than page screenshots
Optimize PDF tool
Repair PDF
Rebuild recoverable PDF structure and cross-reference information. No registration required.
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Drag & drop or select a file
Up to 20 MB per fileStep 2 of 3
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How it works
Use Repair PDF in three steps
- 1
Add your source file
Choose the original document and confirm that it opens correctly.
- 2
Review Source copy
Work from a duplicate of the damaged file.
- 3
Verify the downloaded result
Open the finished file and inspect important pages before sharing it.
Designed for dependable results
About Repair PDF
Rebuild recoverable PDF structure and cross-reference information so compatible readers can open a damaged file.
Keeps recoverable page content
Creates a new file for verification
Settings explained
Choose the right options
- Source copy
- Work from a duplicate of the damaged file.
- Symptoms
- Record whether opening, page navigation or extraction fails.
- Verification
- Check page count, text, images, forms and attachments after repair.
Common uses
When this tool helps
- Interrupted downloads
- Malformed cross-reference tables
- PDFs rejected by strict readers
Files are processed for the requested task and scheduled for automatic deletion. Review the privacy policy before uploading sensitive documents.
Troubleshooting
Common problems and practical fixes
The file cannot be repaired
Its essential objects may be missing; obtain another source copy.
Pages are still absent
Repair cannot reconstruct content that is not present in the file.
One reader still fails
Test another current reader and inspect the repaired structure.
Questions
Repair PDF FAQ
Can repair recover deleted pages?
No. It can rebuild recoverable structure, not recreate missing content.
Does repair improve visual quality?
No. It targets PDF integrity, not image enhancement.
Should I overwrite the damaged file?
No. Preserve it until the repaired output is fully verified.
Can a repaired PDF still contain errors?
Yes. Always inspect the complete result.
Learn more