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Free Online Tool

PDF Repair Tool Online

Repair corrupted, unreadable, or broken PDF document files online. Rebuild internal indexes 100% in-browser.

Drop corrupted PDF here

or click to browse files

Supports broken PDFs • Max 100MB

How to Use PDF Repair Tool Online

Follow these three simple steps to process your files.

Step 1

Select Damaged PDF

Upload the corrupted or broken PDF document that is failing to open.

Step 2

Rebuild Catalog Structures

The program parses page boundaries and recreates internal referencing maps.

Step 3

Save Repaired PDF

Download the repaired and rebuilt PDF document structure safely to your system.

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Reconstruct and Repair PDF Files Online

Recover corrupted or unreadable PDF files. Many PDF loading issues stem from missing or broken cross-reference (xref) offset arrays. By reading and parsing pages client-side using pdf-lib, this tool automatically rebuilds referencing indexes to output a valid document structure.

Frequently Asked Questions

Everything you need to know about PDF Repair Tool Online

No, this tool repairs structural catalog index file metadata (file parsing corruption). It does not enhance or alter actual image quality or pixel values.