Latest, 16 Oct 2026:118 usersMove the mouse over the chart for any month
Ratings count
monthly, 10 months
Latest, 16 Oct 2026:4 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About SupaFill
The fastest way to fill forms with realistic fake data. Perfect for developers, QA testers, and anyone tired of typing "test@test.com" over and over.
Smart Form Detection
- Automatically detects field types (name, email, phone, address, etc.)
- Fills text inputs, selects, radio buttons, checkboxes, and textareas
- Works with rich-text / WYSIWYG editors
- Supports forms inside iframes
Consistent Personas
- Generated data is consistent within each form (first name + last name + email match)
- Different forms on the same page get different personas
Multi-Locale Support
- 10 locales: English, German, French, Spanish, Italian, Portuguese (Brazil), Japanese, Korean, Chinese (Simplified), Indonesian
- Native names and addresses for each locale
Flexible Filling Options
- Fill all forms on page
- Fill single form/modal only (right-click)
- Fill single field (right-click)
- Clear all fields
Keyboard Shortcuts
- Ctrl+Shift+E / Cmd+Shift+E - Fill all forms
- Ctrl+Shift+L / Cmd+Shift+L - Clear all fields
Customization
- Custom field rules (match by name, id, class, placeholder, or label)
- Ignored fields (skip fields matching your patterns)
Privacy First
- 100% offline, all data generated locally
- No tracking, no analytics, no data collection
- No account required