# Is it private and safe to fill out a PDF form online?

_Updated July 2026 · Arthize · https://arthize.com/answers/private-fill-pdf-form_

Yes. When you fill out a PDF form in Arthize, the file is processed inside your private workspace and deleted after the job — never sold or used to train models. You can type into interactive fields and tick checkboxes directly.

## Answer

Yes. When you fill out a PDF form in Arthize, the file is processed inside your private workspace and deleted after the job — never sold or used to train models. You can type into interactive fields and tick checkboxes directly.

## More about fill pdf form

You can type into interactive fields and tick checkboxes directly.

Completed forms can be flattened so values are locked.

No printing or scanning is required.

## How to fill out a PDF form

1. **Open the form tool** — Sign in and open the fill-and-sign tool.
2. **Add your form** — Upload the PDF form.
3. **Complete the fields** — Type answers, tick boxes and pick options.
4. **Download** — Save the completed form, optionally flattened.

## FAQ

### How do I fill out a PDF form online?

Filling a PDF form lets you type into fields, tick checkboxes and select options, then save the completed form without printing. On Arthize it's free with no watermark and processed privately.

### Can I fill a form that has no interactive fields?

Filling a PDF form lets you type into fields, tick checkboxes and select options, then save the completed form without printing. On Arthize it's free with no watermark and processed privately.

### Is filling a PDF form free?

Filling a PDF form lets you type into fields, tick checkboxes and select options, then save the completed form without printing. On Arthize it's free with no watermark and processed privately.