Repair PDF

Recover data from corrupted or damaged PDF files.

Click to select a file or drag and drop

PDFs or Images

Your files never leave your device.

What is PDF Repair?

PDF repair is the process of restoring corrupted, damaged, or unreadable PDF files to a usable state. Corruptions can occur due to incomplete downloads, transfer errors, software crashes, or storage issues.

When to repair a PDF:

  • Error Messages: "Cannot open file," "File is damaged," "Unexpected end of file"
  • Display Issues: Blank pages, missing images, garbled text
  • Performance Problems: Slow loading, crashes in PDF viewers
  • Partial Content: Some pages missing or cut off
  • Printing Errors: PDF won't print correctly

Key Features

  • ✓ Repairs structure errors
  • ✓ Recovers text and images
  • ✓ No file size limits
  • ✓ 100% browser-based
  • ✓ Free forever

How to Repair PDF Files

1

Upload Corrupted PDF

Select your damaged PDF file. All processing happens locally in your browser—your files never leave your device.

2

Automatic Repair

Our tool analyzes the PDF structure, fixes corruption, and recovers readable content automatically.

3

Download Repaired PDF

Download the restored PDF. If recovery wasn't fully possible, you'll get a report of what was salvaged.

Common PDF Corruption Issues We Fix

Structural Issues

  • Broken cross-reference tables
  • Missing or invalid header
  • Truncated file endings
  • Corrupted object streams

Content Issues

  • Missing or garbled text
  • Blank or missing pages
  • Corrupted images or graphics
  • Broken hyperlinks or bookmarks

Frequently Asked Questions

Our tool can repair many common types of PDF corruption:

  • File structure corruption (cross-reference errors, header issues)
  • Content stream corruption (text, images)
  • Partial file recovery (incomplete downloads)
  • Minor to moderate damage from storage issues
  • For severely damaged or encrypted PDFs, recovery may be limited

No, there's no file size limit. However, very large files (500+ MB) may take longer to process depending on your device's capabilities.

Yes, we preserve as much original formatting as possible. However, with severely damaged files, some formatting may be lost. Text content is prioritized in recovery.

Yes, but you must know the password. Enter it when prompted during upload. For encrypted PDFs with lost passwords, try our Decrypt PDF tool first.

If repair isn't successful, try these alternatives:

  • Convert PDF to images using PDF to JPG to salvage visual content
  • Extract text using OCR PDF tool
  • Try opening in different PDF viewers (Adobe Reader, Chrome, Firefox)
  • Check if you have a backup or earlier version of the file

Related PDF Tools

Compress PDF

Reduce PDF file size

OCR PDF

Make PDF searchable

Decrypt PDF

Remove password protection