Repair Corrupted PDF Files Online

Can't open a PDF? Our free online tool attempts to repair damaged or corrupted PDF files, recovering as much data as possible. Secure, fast, and easy to use.

Pro tip: Success isn't guaranteed, but it's always worth trying to repair a file before considering it lost.
Processed
+2,100,000 files
Rating
4.9/5 (2100+)

Repair PDF — Tool

Upload your damaged PDF file to begin. The tool will automatically analyze and attempt to fix the document.

Your files are always private. The entire repair process runs securely in your browser.

How to Repair a PDF — Step by Step

Attempt to recover your unreadable PDF file with these simple steps.

  1. Open the widget — click “Open PDF Repair Tool” or scroll to the tool on this page.
  2. Upload your corrupted PDF — drag & drop your document or select it from your computer.
  3. Automatic Repair Process — the tool will instantly analyze the file's structure and attempt to rebuild and recover its contents.
  4. Download Your Recovered PDF — if the repair is successful, click the download button to save your fixed PDF file.

Common causes of PDF corruption

  • An incomplete download or file transfer.
  • Hard drive or storage device failure.
  • Unexpected software crashes while saving or creating the PDF.
  • Virus or malware infections.

Why Use Our Free PDF Repair Tool?

Our tool is designed to be a simple, fast first step in data recovery, with a focus on privacy.

Privacy-First

All repair attempts happen in your browser. Your confidential files are never uploaded to any server.

Intelligent Recovery

Our tool analyzes the PDF's internal structure to identify and fix common issues like broken cross-reference tables.

Simple & Automatic

No complex options. Just upload your file and our tool automatically tries its best to fix it.

Completely Free

Attempt to recover your important documents for free, with no software, sign-ups, or limits.

Important Notes on File Recovery

  • Recovery is not always possible. If a file is severely damaged or contains very little data, it may be unrecoverable.
  • This tool works best on PDFs that have structural errors but still contain most of their original data.
  • Even in a successful recovery, some elements like complex formatting or specific images might be lost if their data was corrupted.
  • Always maintain backups of your most important documents to prevent permanent data loss.

Frequently Asked Questions

Need to fix a broken PDF?

Open the repair tool, upload your corrupted file, and let our tool attempt to recover it. It's fast, private, and completely free.

Open the Repair Tool