Repair PDF Online

Recover data from corrupted or damaged PDF files. Our tool analyzes and rebuilds valid PDF structures.

How to Repair PDF Files Online

  1. 1Upload your corrupted PDF file by dragging & dropping or clicking to select
  2. 2Our tool will automatically analyze the file structure and detect corruption
  3. 3We verify and rebuild the PDF object tree to restore readable content
  4. 4Download your repaired and fully functional PDF file

🔒 100% Secure: All processing happens in your browser. Your files never leave your device.

Explore More Tools

Other tools you might find useful

Lock PDF

Encrypt your PDF with a password

Unlock PDF

Remove PDF password security

Organize PDF

Rearrange, rotate and delete pages

Frequently Asked Questions

Common questions about repairing PDFs

Our tool analyzes the internal structure of your corrupted PDF file and attempts to reconstruct missing or damaged cross-reference tables and objects.
We can fix many common structural errors, but severely damaged files with missing data cannot be recovered. Result depends on the extent of the damage.
Yes, absolutely. The repair process runs entirely in your browser using advanced JavaScript libraries. Your sensitive documents never leave your computer.
The repair process might remove unrecoverable garbage data (making it smaller) or reconstruct the file structure more verbosely (making it larger). This is normal.