Form Filler - Auto Fill Forms with Fake and Test Data

Form Filler fills every field of a web form with realistic fake and test data in one click: names, emails, phones, addresses, postal codes, dates, numbers, passwords, card numbers, IBAN and national IDs. Built for developers and QA testers who fill the same signup, checkout and contact forms every day. ⚡ ONE CLICK Click the Form Filler icon and the form is filled. You can also press Alt+Shift+F or right-click the page. The result shows up right away: "21 fields filled", with an Undo button. 🎯 ONE FIELD, OR UNDO IT ALL • Right-click any field and choose "Fill this field with" to fill only that one: email, phone, IBAN, tax ID, card number and 14 more types • Undo the last fill from the popup, the in-page notice, the right-click menu or Alt+Shift+U. Every field goes back to what it had before 🌍 TEST DATA FOR 23 COUNTRIES United States, United Kingdom, Spain, Mexico, Portugal, France, Germany, Italy, Netherlands, Poland, Czechia, Sweden, Turkey, Ukraine, Russia, Brazil, India, Indonesia, Japan, South Korea, China, Taiwan and Vietnam. Names, cities, streets, phone numbers and postal codes match the country you choose, and every fill is one consistent person: the email matches the name. ✅ WORKS ON REAL FORMS • Text fields, text areas, dropdowns, radio buttons, checkboxes and editable areas • Custom selects (select2, Chosen, nice-select) and open Shadow DOM • React, Vue and Angular forms keep the values when you submit • Forms inside iframes from the same site • Simulated typing for fields that validate on every keystroke • Test card numbers that pass the Luhn check • Light and dark theme, 21 interface languages 💎 PRO • Checksum-valid IBAN (or the local bank account where there is no IBAN), Mexican CLABE and national IDs for all 23 countries, with a valid check digit wherever the country has one: NIF, INSEE, Steuer-ID, Codice Fiscale, BSN, PESEL, CPF, My Number, Chinese resident ID and more • Saved profiles: fixed values for any field (your test email, a known password), one profile per persona or project, each with its own data country • Custom field rules: map any field name to a data type, for example billing_vat = nif • Never-fill list: leave coupons, search boxes or captchas untouched • Field formats: force the email domain, the number range and the length of long text • Import and export all your settings 🧪 USE IT FOR Testing signup forms, checkout and payment flows, SEPA and bank account fields, contact forms and long multi-step forms while you build them. Stop typing test data by hand. Install Form Filler and fill any form in one click.