Try every feature

Each form is bound with submito.newForm() and posts to /api/submit, mocked in your browser. Choose how responses are shown and what the server answers, then submit.

Response UI dialog swal none callback

Server answers

A typical contact form: live validation, phone input with E.164 output, loading indicator.

Every control type, HTML constraints (minlength, min, pattern…), groups, files and a function-valued data option.

Text inputs

Name Email Password 8+ chars Username a–z, 3–12 Website Age 18–120 Start date

Phone

Select & textarea Topic Languages multiple Message max 200

Choices

Preferred contact Email Phone Either

Interests News Product updates Events

I agree to the terms

Files & math captcha

Attachment Multiple files

Are you human?

Math captcha, Cloudflare Turnstile (test site key, always passes) and reCAPTCHA v3 (stubbed here: Google has no v3 test key, so a fake token is sent).