Will the repaired file open in Adobe Acrobat?

Yes! The repaired output adheres strictly to standard ISO 32000 PDF specifications.

Does Repair PDF remove passwords?

No, password protection is an intentional security feature. Use our Unlock PDF tool for password-protected files.

Is there a cost to repair my document?

No. The tool is 100% free with unlimited repair attempts.

Is my data transmitted over the internet?

No. All stream analysis and structural rebuilding occurs locally in your browser.

Optimize PDF

Repair PDF Online for Free

Reconstruct corrupted PDF headers, recover broken streams, and restore unreadable files.

Drag & drop your PDF file here

or click to browse • paste with Ctrl+V

Max file size: 50 MB•100% Private (In-Browser)

What is Repair PDF?

Repairing a PDF analyzes damaged byte streams, restores corrupted cross-reference tables, and reconstructs readable pages from damaged or unopenable files. Freeallpdf scans and repairs your PDF documents directly in your browser to recover valuable data quickly.

Our diagnostic engine scans the raw byte stream of your file, identifies surviving document pages, repairs broken XREF tables, rebuilds the catalog dictionary, and synthesizes a compliant, readable PDF file.

Recover your critical contracts, research papers, and receipts before giving up on them.

How to Use Repair PDF

Follow these simple steps to process your files in seconds.

Upload Damaged PDF

Select the broken or corrupted PDF file that fails to open properly.

Run Diagnostics

Our engine parses raw byte sequences to locate surviving page objects.

Rebuild Structure

Broken cross-reference tables and corrupt headers are synthesized.

Download Repaired PDF

Save your recovered, fully compliant and readable PDF document.

Key Features

Recovers files with corrupted cross-reference (XREF) tables and broken headers

Tolerant byte stream parsing locates readable pages even in damaged containers

Resynthesizes compliant PDF trailer dictionaries for standard reader viewing

In-browser recovery ensures confidential damaged documents remain private

Completely free with no credit card or account required

Why Use Our Repair PDF?

Rescue Critical Files

Recover important contracts, tax documents, or thesis papers that refuse to open.

Fix Transfer Glitches

Repair PDFs corrupted during interrupted downloads or faulty USB flash drive copies.

Total Security

Corrupted financial or personal records are never exposed to third-party clouds.

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Frequently Asked Questions

Everything you need to know about Repair PDF and document privacy.

If the core text and image byte streams are still present in the file, our engine can almost always rebuild the structural container. Files that are completely zero-byte or 100% overwritten cannot be recovered.