PDF Merger
Combine multiple PDF documents in your chosen order.
PDFPDF tools
Repair PDF
Attempt to rebuild a PDF’s damaged structure.
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How to use repair pdf
- Keep a separate original and upload the damaged PDF.
- Process it to attempt a QPDF structural rewrite.
- If output is produced, open and inspect every page for missing content.
Formats, privacy, and practical limits
Best-effort recovery of supported structural problems. Missing content cannot be recreated; output is validated before download.
Files and generated results exist only for this tab session. Download any result you want to keep before leaving the page. Browsers may use temporary memory or disk cache while processing.
Frequently asked questions
What should I check before using Repair PDF?
Best-effort recovery of supported structural problems. Missing content cannot be recreated; output is validated before download.
Are my uploaded files sent to a server?
This tool processes files in your browser. Its processing libraries and any required OCR language model are downloaded when needed; document contents are not uploaded to ERITHRA.