Repair PDF Online

Recover data from corrupted or damaged PDF files. Our tool analyzes and rebuilds valid PDF structures.

Drag & drop PDF file here

or click to browse from your computer

Select Files

Resurrect Your Broken PDF Files

"Error: Could not open file." We know that heart-sinking feeling. If your PDF is acting up, throwing errors, or just plain refused to open, our repair tool is here to help. We dig into the code, fix the structural damage, and try to salvage your important data so you don't have to start from scratch.

Why Choose iHatePDF's Repair Tool?

Deep Analysis

Scans the entire PDF structure to detect corruption types and missing elements.

Smart Reconstruction

Rebuilds cross-reference tables and object trees to restore file integrity.

100% Private

All repair operations happen in your browser. Your files never leave your device.

Instant Processing

Get results in seconds. No waiting queues or slow server uploads.

Works Everywhere

Use on any device with a browser-Windows, Mac, Linux, iOS, or Android.

Free Forever

Repair unlimited files without subscriptions, watermarks, or hidden fees.

Perfect for Every Need

Critical Documents

Recover data from corrupted contracts, legal agreements, and business reports that refuse to open in standard PDF readers.

Transfer Errors

Salvage files that were damaged during incomplete downloads, failed email attachments, or interrupted cloud synchronization.

Legacy Files

Restore access to old PDF documents with broken structural elements or corrupted cross-reference tables due to aging storage.

How to Repair PDF Files in 4 Steps

Upload File

Drop your corrupted PDF here.

Auto-Analyze

We detect corruption automatically.

Rebuild

Tool reconstructs the file structure.

Download

Save your repaired PDF file.

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Frequently Asked Questions

Common questions about repairing PDFs

Our tool analyzes the internal structure of your corrupted PDF file and attempts to reconstruct missing or damaged cross-reference tables and objects.

We can fix many common structural errors, but severely damaged files with missing data cannot be recovered. Result depends on the extent of the damage.

Yes, absolutely. The repair process runs entirely in your browser using advanced JavaScript libraries. Your sensitive documents never leave your computer.

The repair process might remove unrecoverable garbage data (making it smaller) or reconstruct the file structure more verbosely (making it larger). This is normal.