Repair PDF — Free Online PDF Tool

Rebuild and linearize a damaged PDF so it opens again. Free, no sign-up, no watermark — files auto-deleted right after.

How to repair pdf

1. Open the Repair PDF tool and add your file — drag & drop or click to browse.
2. The PDF is repaired and re-saved in a clean, openable form.
3. Download your result instantly — nothing is stored.

Frequently asked questions

Can it fix a PDF that won’t open?

It rebuilds the file structure, which recovers many damaged or partly corrupt PDFs.

Is it free?

Yes — every Genius tool is completely free, with no account, no watermark and no daily limits.

Are my files safe?

Files are sent over a secure HTTPS connection, processed, and automatically deleted right afterwards. Nothing is stored or shared.

Do I need to install anything?

No — it runs in your browser with no sign-up or software, and works on both phone and desktop.

Part of Genius Tools — a free suite of PDF, image and AI document tools.