SupaFill

Fill everything in a snap.

The fastest way to fill forms with realistic fake data. Perfect for developers, QA testers, and anyone who's tired of typing "test@test.com" 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.