FixtureFill Playground

First, install FixtureFill in a supported desktop browser. Open the extension on this page and set your seed and mode.

  1. Install & set upOpen FixtureFill; set seed and mode.
  2. Fill & saveFill this form, then save a baseline.
  3. Repeat & compareClear, refill with the same settings, then compare.

Test form

Preferred contact · Radio
Test preferences · Checkbox

Use synthetic test data. This page does not generate data or submit this form. Your baseline stays in this tab’s memory.

Repeatability requires the same seed, mode, page, form structure and generator version. Invalid mode skips radio groups.