How to repair corrupted PDF file?

Upload corrupted PDF and click Repair PDF Now to recover readable pages.

Yes. Files are repaired locally without uploading.

Repair PDF Online Free – Fix Corrupted PDF Files

Q: Can severely damaged PDFs be fixed?

Some extremely damaged files may not be fully recoverable.

Repair PDF Online Free

PDF files sometimes become corrupted due to incomplete downloads, sudden system shutdowns, email transfer errors, virus infections or storage device failures. When a PDF is damaged, it may fail to open or display errors such as “File is corrupted” or “Cannot read PDF structure”.

GKPTool Repair PDF tool is designed to fix corrupted PDF files by rebuilding their internal structure and recovering readable pages.

What Causes PDF Corruption?

Interrupted downloads
Sudden power failure
Incomplete file transfer
Bad sectors on storage devices
Malware or virus infection

How PDF Repair Works

This tool loads the damaged PDF while ignoring encryption and structural errors. It then extracts readable pages and recreates a fresh PDF document.

This reconstruction process fixes broken cross-references, invalid objects and missing metadata.

Recover Maximum Pages

Even heavily damaged PDF files may contain readable page data. Our repair engine attempts to recover as many pages as possible.

How to Repair PDF File

Select corrupted PDF file.
Click Repair PDF Now.
Wait while recovery process runs.
Download repaired PDF file.

Supported PDF Problems

PDF not opening
Damaged file header
Broken structure
Unreadable pages
Missing cross-reference tables

Client-Side Repair Technology

All repair operations happen locally in your browser using JavaScript. Files are never uploaded to any server, ensuring complete privacy.

Works on All Devices

Android smartphones
Tablets
Laptops
Desktop browsers

Who Should Use Repair PDF Tool?

Students recovering assignments
Office professionals
Accountants
Lawyers
Government applicants

Frequently Asked Questions

Is Repair PDF free?

Yes, completely free with unlimited usage.

Are files uploaded?

No. All repairs happen locally.

Can all PDFs be repaired?

Extremely damaged files may not be fully recoverable.

Will quality reduce?

No. Original content quality is preserved.

Does it work on mobile?

Yes, fully supported on Android devices.