Detects intent, not just inputs
Labels, placeholders, names, autocomplete, and ARIA attributes help identify the right type of data for each field.
Fill every form.
Test every flow.
Mock Data Filler populates web forms with realistic, locale-aware test data—right where you work.
✓ Generated locally. No accounts. No data leaves your browser.
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ClearUndoScan
Made for the small, repetitive moments that slow down great testing.
ReactVueAngularPlain HTML
A faster testing loop
Realistic test data, without leaving the page.
It understands form fields, respects constraints, and triggers the browser events your app expects.
Works with your stack
Native input and change events keep React, Vue, Angular, and traditional forms in sync.
Fits your test case
Switch between US, India, and UK locales, or save reusable templates for any project.
One click, then keep moving
Open the extension. Fill the form. Ship with confidence.
- 1Open any form you need to test.
- 2Choose a locale or template, if you need one.
- 3Fill, adjust, undo, and keep testing.
Privacy by design
Your test data stays yours.
Mock Data Filler generates values on-device. It makes no external requests, collects no analytics, and never transmits page content, form values, or generated data.
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