Live playground

Test forms — try the extension here

You do not need another website. Install Mock Data Form Filler, keep this tab open, click the toolbar icon, and watch every field type fill with local fake test data. Passwords stay empty by default (safe for demos).

1 Install & pin the extension
→
2 Stay on this page
→
3 Click the icon (or Alt+Shift+F)

Identity

First name

Last name

Full name

Phone

Username

Company

Address

Street

City

State

ZIP / postal

Country

Web & numbers

Website URL

Age (number)

Quantity (number)

Volume (range) 50

Dates & time

Date of birth

Appointment (date + time)

Month

Week

Time

Choices

Role (select) Skills (multi-select — hold Ctrl/Cmd)

Plan (radio) Free Pro Team

Preferences (checkboxes) Accept terms Newsletter Beta features

Favorite color

Long text

Bio / about Notes / comments Message

Usually skipped (on purpose)

These stay empty or unchanged so demos stay safe. Use them to confirm the extension behaves correctly.

Password skipped by default File upload never filled Hidden field (in DOM, not visible to users)

csrf = keep-me-unchanged

Disabled field skipped Read-only field skipped

Tip: right-click the page → Fill with mock data. Or use Alt+Shift+F.