FakerFill – Form Filler & Fake Data Generator

Auto-fill forms instantly with realistic fake data. A powerful form filler & test data generator for developers and QA teams.

FakerFill – Form Auto Filler & Test Data Generator Automatically fill web forms with realistic fake data in one click. FakerFill is a modern browser extension that auto-fills forms with high-quality test data, dummy data, and mock data — designed for developers, QA testers, and anyone who regularly works with online forms. Powered by the open-source Faker.js library, FakerFill generates unlimited, realistic test data directly in your browser. It’s perfect for testing registration forms, checkout flows, login pages, onboarding steps, and all kinds of web applications. ⸻ 🚀 Key Features One-Click Form Autofill Fill entire forms instantly with realistic first names, last names, email addresses, phone numbers, physical addresses, dates, credit card data, passwords, and more. No manual typing — just click and go. Smart Field Detection (28+ Field Types) FakerFill intelligently detects form fields using multiple heuristics, including input types, field names, placeholders, labels, and ARIA attributes. It works seamlessly with modern JavaScript frameworks such as React, Vue, Angular, Svelte, Next.js, and other single-page applications (SPAs). Realistic Fake Data Generator (Faker.js) Generate high-quality test data using 250+ Faker.js methods across categories like person, internet, phone, company, finance, strings, dates, locations, and more. Every generated value looks realistic and passes most common form validation rules. Multi-Language Data Generation (60+ Locales) Generate fake data in over 60 languages and regional formats. Create realistic names, addresses, phone numbers, and company data for virtually any country — from Japanese, Chinese, and Arabic to German, French, Spanish, Portuguese, and more. Perfect for testing internationalized and localized applications. Translated Interface (6 Languages) The extension interface is fully translated into English, Polish, German, French, Spanish, and Portuguese (Brazil), making FakerFill accessible to international development and QA teams. Reusable Templates Create and save templates for complex or multi-step forms, then reuse them automatically across matching websites. Ideal for repetitive QA workflows, standardized testing scenarios, and complex registration flows. Full Data Customization Take complete control over generated values with advanced configuration options: • Prefixes and suffixes • Letter casing (uppercase, lowercase, capitalize) • Custom patterns using regex-like syntax • Locale selection per field • Seed values for reproducible data • Length limits and repeat counts • Advanced Faker.js method arguments ⸻ 🌍 Works Everywhere FakerFill supports virtually any type of web form: • Registration and signup forms • Checkout and payment forms • Login and authentication flows • Contact and feedback forms • Surveys and questionnaires • Multi-step wizard forms • Admin dashboards • Enterprise applications • Developer staging and testing environments ⸻ 🔒 Privacy First FakerFill is built with privacy as a core principle: • All data is generated 100% locally in your browser • No tracking, no analytics, no telemetry • No external servers or network requests • No data storage or uploads • No account required — install and use instantly Your data never leaves your device. ⸻ 💡 Who Is FakerFill For? • Front-end developers testing form validation and user flows • QA testers running manual, exploratory, or regression tests • Product teams creating demo accounts and sample data • Automation engineers preparing consistent test data • DevOps engineers populating staging and development environments • Anyone who needs fast, repeatable, realistic form filling ⸻ 🧠 Common Use Cases • Speed up development — instantly fill long forms during development • Reproducible testing — generate consistent test accounts using seed values • Validation testing — verify form rules with dynamic fake data • Manual QA workflows — accelerate testing with one-click autofill • Demo environments — create believable demo accounts • Localized testing — test internationalization with 60+ locales • Multi-step forms — reuse templates for complex wizards ⸻ 🛠️ Technical Highlights • Manifest V3 compliant • Shadow DOM isolation (no CSS conflicts) • Proper support for React-controlled inputs • Optimized MutationObserver for dynamic forms • Lightweight and performance-friendly ⸻ Download FakerFill today and never manually fill a test form again.