# Fill PDF Form: Arthize vs Sejda

_Updated July 2026 · Arthize · https://arthize.com/vs/sejda/fill-pdf-form_

To fill out a PDF form, Arthize offers a free, private fill pdf form with no watermark — a focused alternative to Sejda. Filling a PDF form lets you type into fields, tick checkboxes and select options, then save the completed form without printing.

## Arthize's fill pdf form vs Sejda

Sejda is a web and desktop PDF editor. Sejda offers capable editing with daily task limits on its free tier.

**Arthize's approach:** Filling a PDF form lets you type into fields, tick checkboxes and select options, then save the completed form without printing.

- Files are processed inside your private Arthize workspace and deleted after the job — never sold or used to train models.
- Transparent pricing: free forever, Pro from $6/mo or $48/yr, and a one-time $149 lifetime option.
- A lifetime option beyond weekly or monthly plans.
- The free plan never adds a watermark to your output.

## How to fill out a PDF form with Arthize

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 with Arthize

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

### Is Arthize a good Sejda alternative to fill out a PDF form?

Yes. Filling a PDF form lets you type into fields, tick checkboxes and select options, then save the completed form without printing. Arthize does it free with no watermark and deletes the file after the job. Sejda's in-browser editor is genuinely capable for detailed edits.

### 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.