SupaFill

Tracking since Apr 1, 2026.

Changelog

• Apr 26, 2026
  description

  The fastest way to fill forms with realistic fake data. Perfect for developers, QA testers, and anyone who's tired of typing "[email protected]" over and over.
  
  💡 PERFECT FOR
  • Frontend developers testing forms
  • QA engineers running test scenarios
  • Anyone filling repetitive forms
  
  🚀 FEATURES
  Smart Form Detection
  • Automatically detects field types (name, email, phone, address, etc.)
  • Fills text inputs, selects, radio buttons, checkboxes, and textareas
  • Works with WYSIWYG editors (CKEditor, Quill, etc.)
  • 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 this form")
  • Fill single field (right-click → "Fill this field")
  • 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 patterns like "captcha", "csrf")
  
  🔒 PRIVACY FIRST
  • 100% offline - All data generated locally, no external APIs
  • No tracking - Zero analytics, zero data collection
  • No account required - Works immediately after install
  
  ⚡ LIGHTWEIGHT
  Under 80KB total. No bloat, no dependencies, just fast form filling.

  The fastest way to fill forms with realistic fake data. Perfect for developers, QA testers, and anyone who's tired of typing "[email protected]" over and over.
  
  💡 PERFECT FOR
  • Frontend developers testing forms
  • QA engineers running test scenarios
  • Anyone filling repetitive forms
  
  🚀 FEATURES
  
  Smart Form Detection
  • Automatically detects field types (name, email, phone, address, etc.)
  • Fills text inputs, selects, radio buttons, checkboxes, and textareas
  • Works with WYSIWYG editors (TipTap, ProseMirror, Lexical, CKEditor, Quill, Draft.js, etc.)
  • Supports forms inside iframes
  • Groups related fields by name path — multi-person forms (e.g., booker + guests) each get distinct personas
  
  Consistent Personas
  • First name, last name, email, phone, and address match per person
  • Different forms or sub-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 this form")
  • Fill single field (right-click → "Fill this field")
  • 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 with word-boundary or /regex/ patterns
  • Default password, locale, and more
  
  In-Extension Feedback (new in v1.4.0)
  • Send bug reports or feature requests directly from the popup
  • No login required, client-side rate-limited to prevent accidental duplicates
  
  🔒 PRIVACY FIRST
  • Core form-filling runs 100% locally — all fake data is generated in your browser, never from external APIs
  • No tracking, no analytics, no ads
  • No account required — works immediately after install
  • The optional Feedback form only transmits the text you type plus (if you leave the checkbox on) extension version and browser string. See the full privacy policy for details.
  
  ⚡ LIGHTWEIGHT
  Around 100KB total. No runtime dependencies. Fast form filling, nothing else.
  
  📬 CHANGELOG
  https://supafill.github.io/changelog/
  
  🐛 FEEDBACK
  Use the Feedback button in the popup to send bug reports or feature requests.

Permissions & access

Permissions

activeTabcontextMenusstorage

Host access

None declared

Screenshots

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