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Repair PDF
Fix corrupted, damaged, or broken PDF files
What is PDF Repair?
PDF Repair is a free online tool that fixes corrupted or damaged PDF files. If your PDF won't open, shows error messages, or has missing content, this tool can help restore it to a working state.
Why Would You Need to Repair a PDF?
PDFs can get corrupted for many reasons. Here are common situations where you might need this tool:
- Incomplete downloads: Your internet connection dropped while downloading a PDF, leaving the file damaged
- Email attachment issues: A PDF received via email won't open properly
- Storage problems: Files saved on a failing hard drive or corrupted USB drive
- Transfer errors: PDFs that got damaged while copying between devices
- Software crashes: A program crashed while creating or editing your PDF
How to Repair a PDF File - Step by Step
- Upload your file: Click the upload button or drag and drop your corrupted PDF into the box
- Wait for analysis: Our tool will scan your PDF and identify any issues
- Automatic repair: The system tries multiple repair methods to fix your file
- Download: Once repaired, click the download button to save your fixed PDF
Key Features
- Multiple repair methods: Uses Ghostscript, qpdf, and pdftk for the best chance of recovery
- Automatic detection: Identifies common PDF problems like invalid headers and structure issues
- Quality preservation: Maintains the original content and formatting where possible
- Fast processing: Most repairs complete in seconds
- Free to use: No registration or payment required
Tips for Best Results
- Keep a backup of your original file before attempting repair
- If the repair fails, try our PDF to Image tool to extract content as images
- For severely damaged files, some content may not be recoverable
Frequently Asked Questions
What types of PDF damage can be repaired?
This tool can fix invalid PDF headers, broken cross-reference tables, missing page information, and structure corruption. However, if the actual content data is lost, it cannot be recovered.
Will repairing change my PDF content?
The repair process preserves your original content. It only fixes the PDF structure without modifying your text, images, or formatting.
What if the repair doesn't work?
If our tool cannot repair your PDF, the file may be too severely damaged. Try contacting the original sender for a new copy, or use our PDF to Image tool to extract any recoverable pages.