FreePDFWorker
Attempt to repair corrupted or damaged PDF files. This tool rebuilds the PDF structure and may recover files that won't open properly. All processing happens locally in your browser.
Drag and drop your PDF here or click to browse
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Repairing PDF...
The PDF has been repaired and should now open correctly.
Rebuilds PDF internal structure, cross-references, and object tables.
Analyzes the PDF and reports any issues found before repair.
All processing in your browser. Sensitive documents stay on your device.
Repair attempts complete in seconds with immediate feedback.
This tool can fix structural issues like broken cross-reference tables, missing trailer sections, corrupted object headers, and incomplete file transfers.
No. Success depends on the type and severity of damage. Severely corrupted files where actual content data is damaged cannot be recovered by any tool.
No. The tool creates a new repaired copy. Your original file remains unchanged on your device.
If repair fails, the damage may be too severe for browser-based recovery. You may need specialized desktop software or professional data recovery services.
Repair PDF fixes structural errors in the PDF format. If parts of the file (like fonts or images) are physically deleted or overwritten, full recovery is impossible. The tool cannot recreate lost data — only repair the PDF structure around remaining content.