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Repair PDF
Fix broken, truncated or corrupted PDFs that other apps refuse to open, on your device.
Open Paper to repair PDF →Your file never leaves your device: Paper does this in your browser, and its security policy stops the page from sending data to any other site.
How to repair PDF
- Open the damaged PDF.
- Click More, then Repair & flatten, then Repair.
- Download the repaired file.
Questions
Is it free?
Yes, free and open source, with no sign-up and no watermark.
What if it will not open at all?
Paper's PDF engines rebuild a damaged file's structure as they read it, so most broken files still open.