Repair PDF Online Free
Recover data from a corrupted or damaged PDF document and rebuild a clean, valid PDF structure. 100% private client-side processing in your browser with zero server uploads.
Click to select file or drag & drop here
Supported formats: application/pdf • Processed 100% locally in your browser
How to Use Repair PDF Online
Upload Damaged PDF
Select the PDF file that fails to open properly in standard viewers.
Run Deep Structure Recovery
Our engine scans readable streams, recovers intact pages, and rebuilds the XRef table.
Download Rebuilt PDF
Save the newly reconstructed, standards-compliant PDF document.
Frequently Asked Questions — Repair PDF
How does browser-based PDF repair work?
It parses the file with lenient error handling, extracts all recoverable pages/streams, and writes a fresh PDF header and XRef table.
What if some pages are severely truncated?
Recoverable pages are salvaged into a valid PDF so you do not lose the entire document.
Is repair free?
Yes, 100% free and private.