Repairing your PDF
This tool attempts to fix corrupted or broken PDFs. It rewrites the internal structure while preserving all content where possible.
Drop your PDF file here
or click to browse - up to 100 MB per file
Best-effort rebuild and repair broken PDFs
Repairing your PDF
This tool attempts to fix corrupted or broken PDFs. It rewrites the internal structure while preserving all content where possible.
Drop your PDF file here
or click to browse - up to 100 MB per file
Repair PDF
Attempt to repair damaged or problematic PDF files to restore usability and compatibility.
Use one clean processing pass, then do a quick QA review before you share the result.
PDF to PDF/A
Convert standard PDFs to PDF/A for long-term archival and compliance-focused document retention.
Compress PDF
Reduce PDF file size online while preserving readability. Share large PDFs faster by compressing in one step.
Merge PDFs
Combine multiple PDF files into one document online. Reorder input files before merging for a clean final output.
The tool attempts to rebuild the internal PDF structure for files with corrupted cross-reference tables, broken object streams, or invalid syntax. Not all damage types can be recovered.
No. Repair is best-effort. If the file is severely corrupted or missing critical data, recovery may not be possible. The tool reports whether a valid output could be produced.
Common causes include incomplete downloads, file system errors, or software bugs that wrote invalid PDF structure. The repair tool addresses structural issues but cannot recover missing content.
Yes. After downloading the repaired PDF, you can run it through other SentryPDF tools such as Compress, Split, or PDF to PDF/A.
No. Both the uploaded file and the repaired output are automatically deleted within 30 minutes. Download your result before the retention window closes.
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