# Do I need to install software to repair a corrupted PDF?

_Updated July 2026 · Arthize · https://arthize.com/answers/install-repair-pdf_

No. You repair a corrupted PDF entirely in the browser — there is nothing to download or install. Repairing a PDF rebuilds a damaged file's internal structure, recovering as much readable content as possible from a document that won't open.

## Answer

No. You repair a corrupted PDF entirely in the browser — there is nothing to download or install. Repairing a PDF rebuilds a damaged file's internal structure, recovering as much readable content as possible from a document that won't open.

## More about repair pdf

Repair rebuilds a PDF's cross-reference table and object structure.

It can recover files that won't open due to interrupted downloads or transfers.

Recovery depends on how much of the file is intact.

## How to repair a corrupted PDF

1. **Open the repair tool** — Sign in and open the Repair tool.
2. **Add the broken PDF** — Upload the file that won't open correctly.
3. **Repair** — Arthize rebuilds the internal cross-reference and object structure.
4. **Download** — Get a recovered PDF where possible.

## FAQ

### How do I repair a corrupted PDF?

Repairing a PDF rebuilds a damaged file's internal structure, recovering as much readable content as possible from a document that won't open. On Arthize it's free with no watermark and processed privately.

### Why won't my PDF open, and can it be fixed?

Repairing a PDF rebuilds a damaged file's internal structure, recovering as much readable content as possible from a document that won't open. On Arthize it's free with no watermark and processed privately.

### Is repairing a PDF free?

Repairing a PDF rebuilds a damaged file's internal structure, recovering as much readable content as possible from a document that won't open. On Arthize it's free with no watermark and processed privately.