Free PDF Repair Tool

Fix corrupted, damaged, or unreadable PDF files
Advanced repair algorithms to recover your documents
Restore PDF structure and content integrity

Drag damaged PDF file here or click to select

Max 100MB per file

How to Repair PDF Files

1
Upload Damaged PDF

Upload your corrupted or damaged PDF file. Our system will analyze the file structure and identify issues.

2
Run Diagnostics

Our advanced diagnostic engine scans for structural errors, corruption patterns, and recoverable content.

3
Choose Repair Level

Select appropriate repair options based on diagnostic results. From basic fixes to deep recovery algorithms.

4
Download Fixed PDF

Get your repaired PDF with detailed report of issues fixed and recovery success rate.

Advanced Repair Technology:
  • Structure Analysis: Deep scanning of PDF internal structure, cross-reference tables, and object hierarchy
  • Content Recovery: Advanced algorithms to recover text, images, and formatting from damaged content streams
  • Error Correction: Automatic fixing of common PDF corruption patterns and syntax errors
  • Object Reconstruction: Rebuilding damaged PDF objects using pattern recognition and data recovery techniques
  • Incremental Repair: Multi-stage repair process with progressive complexity based on damage severity
  • Validation Engine: Post-repair validation ensures the fixed PDF meets PDF standards and is readable

PDF Repair Features

Smart Diagnostics

Intelligent analysis identifies corruption patterns and recovery possibilities

Multi-Level Repair

From basic fixes to deep recovery algorithms for severe corruption

Validation Engine

Post-repair validation ensures fixed PDFs meet standards