Fix incomplete download
InputPDF with "cannot open" error
→OutputPDF opens normally
🎯PDF download corrupted due to weak connection
Repair PDF
Fix corrupted, broken, or unopenable PDF files
Drag & drop files here
or click to choose files
How to repair pdf in 3 Steps
1
Upload the broken or corrupted PDF file
2
System automatically detects and repairs errors
3
Download the repaired PDF file
About the Repair PDF Tool
Repair PDF online helps recover corrupted PDF files that won't open or display errors. BetaPDF uses qpdf to restructure the file, fix cross-reference tables, and recover salvageable content.
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Fixes Multiple Error Types
Repairs corrupt cross-reference tables, broken object streams, missing EOF markers, and bad linearization.
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Content Recovery
Maximizes content recovery: text, images, fonts, bookmarks. Only severely damaged parts may be lost.
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Before/After Verification
Displays detailed repair results: recovered page count, remaining warnings (if any).
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Completely Free
No need to buy Adobe Acrobat or expensive software. Repair PDFs online for free.
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BetaPDF re-reads the entire PDF structure, rebuilds the cross-reference table, fixes invalid object references, and restructures the file. This is a non-destructive repair method — maximizing original content recovery.
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Perfect for: opening damaged PDFs with "file is damaged" errors, recovering PDFs after software crashes, fixing interrupted downloads. After repair, consider compressing the file to optimize size. If the file needs protection, password-protect it.
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Usage Examples
Fix legacy file
InputPDF from old software
→OutputCompatible PDF
🎯Open old PDF files in modern readers
Frequently Asked Questions
Fixes xref table errors, orphan objects, broken data streams, file structure corruption from incomplete downloads, power outages, or viruses.
If the file is severely damaged (data loss), the system will notify that repair is not possible. Try re-downloading the original file if available.
No — the repair process only fixes file structure, preserving original content.
No — processing is done entirely online in your browser.
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