Fix Corrupted PDF
Rebuild corrupted cross-reference tables, fix broken trailers, and recover readable PDF pages from damaged or unopenable documents.
Universal File Doctor & Structural Diagnostics
Upload any document to inspect health and repair damageDrop your document here, or click to browse
Deep structural inspection, health scoring, and recovery for PDF, Word (.docx), PowerPoint (.pptx), and Excel (.xlsx) files.
About Fix Corrupted PDF
Rebuild corrupted cross-reference tables, fix broken trailers, and recover readable PDF pages from damaged or unopenable documents.
How to use Fix Corrupted PDF
Add your file
Choose a file or drag it onto the upload box. We check that the file type and size are supported.
Pick your options
Change the settings shown next to the file if you need to. The defaults work for most files.
Download the result
Click the main button, then download your new file. Check it before you share or submit it.
What it does
- ✓Reconstructs corrupted %PDF header tags and offset markers
- ✓Rebuilds damaged cross-reference (XREF) tables and object catalogs
- ✓Recovers readable page trees from truncated or unclosed binary streams
- ✓Operates locally in browser memory to keep private legal and financial records secure
When to use it
Fix "File is damaged and cannot be opened" errors in Adobe Acrobat and web browsers.
Rebuild PDF files damaged during network transfer or email attachment extraction.
Repair malformed PDF files generated by faulty scanner hardware and legacy software.
Clean unpruned revision histories and restore clean linearized document structures.
Tips
- •Upload the damaged PDF to view the detected corruption points and health score.
- •Click Repair to generate a reconstructed, standard-compliant PDF document.
- •Review the page count and visual layout in the repaired file to confirm complete restoration.