🔧 Repair PDF Fix corrupted or damaged PDFs

Attempt to repair corrupted, damaged, or malformed PDF files by reconstructing their internal structure.
or drag & drop a PDF file here
How to Repair PDF – Free & Private Guide

Our PDF Repair Tool helps fix common corruption issues such as missing headers, broken cross‑reference tables, or malformed objects. The tool re‑parses your PDF and creates a fresh, valid copy using the industry‑standard PDF‑Lib library. All processing happens locally – your file never leaves your device.

🔧 Fixes Common Issues

Recovers readable content from damaged or incomplete PDFs.

🔒 100% Local

No upload – your document stays private and secure.

⚡ One‑Click Recovery

Simple process: upload, repair, download.

📌 How to use this tool

  1. Upload your damaged PDF – Click “Select PDF” or drag & drop.
  2. Click “Repair PDF” – The tool attempts to parse and reconstruct the file.
  3. Download the repaired version – A fresh PDF with corrected structure.
ℹ️ Note: Not all PDFs can be fully repaired. The tool works best for files with structural corruption, missing end-of-file markers, or broken object streams. For heavily damaged PDFs, the output may still be partially unrecoverable. It does not repair password‑protected files.

❓ Frequently Asked Questions

🔹 What types of PDF corruption can this tool fix?
It can fix missing xref tables, incorrect object offsets, damaged streams, and some missing EOF markers. It attempts to load the PDF with generous error handling and rewrites a clean version.
🔹 Is my PDF uploaded to a server?
No. All repair is done locally in your browser using PDF-Lib. Your file remains private.
🔹 Will the repair change the content?
The goal is to preserve all readable content. Some highly corrupted objects may be omitted, but the remaining structure is rebuilt to be valid.
🔹 Is there a file size limit?
PDFs up to 100 MB are recommended. Larger files may still work but could be slower.
🔹 Can it repair password‑protected PDFs?
No – encrypted PDFs must be unlocked first using the correct password.
🔹 Is this tool free?
Yes, completely free for personal and commercial use with no watermarks or registration.
⚡ Powered by PDF-Lib • Client‑side repair • No tracking • Works offline after first load