Repair PDF
Attempt to fix corrupted or damaged PDF files.
PDF Upload
Repair damaged files by re-saving
✨ Convert
- Rebuild structure
- Fix header
- Restore trailers
- Ignore garbage bytes
- Recover readable text
💡 Info
**Rescue Data** Try this if your PDF viewer says the file is invalid.
**Legacy Files** Open old PDFs that modern viewers check strictly.
🚀 Usage
- 1
Upload damaged PDF.
- 2
Run repair.
- 3
Download fixed file.
Overview
This tool is designed for fast, local processing with no server upload. It focuses on clarity and repeatable results.
When to use it
- • When you need a quick result without installing software.
- • When you must keep files on your device for privacy.
- • When you want a predictable output for reuse or sharing.
How it works
Your file is processed in the browser. The workflow is deterministic and optimized for common document patterns.
Best practices
- • Start with a small sample to confirm output expectations.
- • Keep file names simple to avoid OS-specific edge cases.
- • If results look off, try the tool again after a page refresh.
Common mistakes
- • Uploading encrypted or corrupted files without preparing them first.
- • Assuming a tool will fix formatting issues outside its scope.
- • Closing the tab before the download completes.
⚠️ Limits
- • Heavy encryption damage might be unrecoverable
- • Deleted bytes cannot be restored
📥 Inputs & Outputs
Inputs
- Corrupted PDF Formats: pdf
Outputs
- file Formats: pdf
🔒 Privacy & Security
- • Recovery happens locally.
🛠 Troubleshooting
Still broken?
Some damage is permanent.
Blank pages?
Content streams might be lost.
Error?
File might not be a PDF at all.
❓ FAQ
Does it always work?
It fixes structural issues, not deleted bytes.
Free?
Yes.
Secure?
Local.
Magic?
No, just spec compliance.
Mobile?
Yes.
Encrypted files?
Cannot repair structure of encrypted files easily.