# Repair PDF: Arthize vs PDFtk

_Updated July 2026 · Arthize · https://arthize.com/vs/pdftk/repair-pdf_

To repair a corrupted PDF, Arthize offers a free, private repair pdf with no watermark — a focused alternative to PDFtk. Repairing a PDF rebuilds a damaged file's internal structure, recovering as much readable content as possible from a document that won't open.

## Arthize's repair pdf vs PDFtk

PDFtk is a command-line PDF toolkit. PDFtk is a free command-line tool for scripted PDF operations.

**Arthize's approach:** Repairing a PDF rebuilds a damaged file's internal structure, recovering as much readable content as possible from a document that won't open.

- A visual workspace instead of memorising command-line flags.
- 50+ tools live in one workspace, so you don't jump between single-purpose pages.
- Files are processed inside your private Arthize workspace and deleted after the job — never sold or used to train models.
- Handles conversion, OCR, signing and editing that PDFtk doesn't.

## How to repair a corrupted PDF with Arthize

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 with Arthize

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

### Is Arthize a good PDFtk alternative to repair a corrupted PDF?

Yes. Repairing a PDF rebuilds a damaged file's internal structure, recovering as much readable content as possible from a document that won't open. Arthize does it free with no watermark and deletes the file after the job. PDFtk is excellent for developers automating simple, repeatable PDF tasks from scripts.

### 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.