PDF Repair Tool
Fix corrupted PDF files with advanced recovery options
Repair Your PDF
Drag & drop your PDF file here or
Supports PDF files up to 100MB
Analyzing PDF file...
How It Works
Our PDF Repair Tool uses advanced algorithms to analyze and fix corrupted PDF files. It can recover text, images, and document structure from damaged files.
Advanced Recovery
Recovers text, images, and formatting from severely corrupted PDFs using proprietary algorithms.
Secure Processing
All files are processed locally in your browser. Your documents never leave your computer.
Multiple Repair Modes
Choose between quick fixes for minor issues or deep scans for severely damaged files.
Metadata Recovery
Optionally recover document metadata like author, title, and creation date.
Common PDF Issues Fixed
- Corrupted header errors
- Invalid xref table
- Missing or damaged objects
- Encoding issues
- Password-protected files (if password is known)
- Damaged after incomplete download
Technical Details
This tool uses PDF.js for rendering and a custom repair algorithm that:
- Analyzes file structure and identifies corrupt sections
- Rebuilds the cross-reference table
- Validates and repairs object streams
- Reconstructs damaged pages and content streams
- Preserves as much original formatting as possible
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