Repair PDF
Recover damaged or corrupted PDFs that won't open, fast and free.
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Max 5MB · encrypted in transit · auto-deleted after use · 10 conversions left today · Sign up free for more
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- Encrypted upload
- Deleted after download
- No sign-up needed
- Works on all devices
How to Repair a Corrupt PDF Online
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1
Upload the damaged PDF
Select the corrupt or unreadable PDF you want to recover.
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2
Let the repair run
The tool rebuilds the file structure and recovers as much data as possible.
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3
Download the fixed PDF
Save the repaired document and open it normally again.
Features of Repair PDF Tool
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Recover broken PDFs
Rebuild the internal structure of corrupt or unreadable files so they open again.
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Rescue as much as possible
The tool salvages text, images and pages even when the file will not open elsewhere.
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Standards-compliant output
The repaired file is written as a clean, valid PDF that readers accept.
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Fix damaged scans
Scanner errors often reopen fine. Add a searchable text layer afterwards with OCR PDF.
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No install needed
Repair PDFs right in the browser on any platform.
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Confidential and temporary
Uploads are encrypted and wiped automatically soon after processing.
Is your PDF refusing to open or showing a damaged file error? This free Repair PDF tool helps recover corrupted PDF files by rebuilding their internal structure and restoring as much content as possible. Simply upload your file, let the tool repair it, and download a working copy. No sign-up, software installation, or watermark is required.
Recover Corrupted PDF Files
PDF files can become damaged for many reasons, such as interrupted downloads, incomplete email attachments, unexpected system crashes, or errors while saving a file. Instead of losing your document, upload it to the tool and let it analyze the file. The tool attempts to rebuild important PDF data, repair the internal structure, and restore readable pages whenever possible. While severely damaged files cannot always be recovered completely, many common PDF issues can be fixed successfully. After repairing your document, you can also use other PDF tools to Compress PDF for a smaller file size or Split PDF if you only need certain pages.
Why PDF Files Become Corrupted
Understanding the cause of PDF corruption can help prevent future problems. Files are commonly damaged because of interrupted file transfers, storage device errors, software crashes, or incomplete save operations. In many cases, the document content is still available, but the file's internal structure becomes damaged, making it impossible for PDF readers to open it. This tool rebuilds the damaged structure using the recoverable data, helping restore access to your document. Once your PDF has been repaired, it's a good idea to keep a backup copy. You can also convert it to PDF/A format for better long-term storage and document preservation.
Review and Secure Your Repaired PDF
After the repair process is complete, check the recovered PDF to make sure the text, images, formatting, and page order are correct. If some content is still missing or unreadable, the original file may have been too heavily damaged to recover completely. If needed, you can reorganize the pages, add password protection, or make other edits before sharing the repaired document. Everything runs securely in your web browser using an encrypted connection. Your uploaded files are automatically deleted from the server shortly after processing to help keep your documents private.