Instantly Fill Any Web Form for Testing & Productivity
Generate realistic form data in one click — perfect for QA, demos, and repetitive workflows.
How It Works
Install Fillo
Install from Chrome Web Store (free)
Right-Click
Open Fillo from the context menu
Choose Mode
Happy Path, Random, Max Length, etc.
Instant Fill
Inputs detected and populated automatically
Powerful Features for Modern Testing
Everything you need to fill forms faster.
Core Features
Smart Field Detection
Automatically detects common input types (email, password, name, address, etc.) and fills them with appropriate data.
One-Click Form Fill
No setup required. Right-click or use the keyboard shortcut to instantly populate the entire form.
Multiple Fill Modes
Choose from Valid Data, Random/Fuzzing, Max Length, or Unicode to stress-test your forms.
Works Anywhere
Compatible with login forms, checkout pages, admin dashboards, and custom internal tools.
Pro Features
Save Fill Configurations
Define specific values for inputs and reuse the same setup across sessions.
Config Presets
Switch between different data sets for Development, Staging, or Demo environments.
Unlimited Saved Configs
Store as many form configurations as you need with the Lifetime Deal.
Who Uses Fillo?
QA Engineers
Test signup flows and form validations with realistic or edge-case data in seconds.
Developers
Speed up local development by instantly filling forms to reach the state you need to debug.
Product Demos
Create smooth, professional screen recordings without manually typing dummy data.
Indie Hackers
Automate repetitive data entry tasks for your internal tools or admin dashboards.
Simple, Transparent Pricing
Start for free, upgrade for unlimited productivity.
Pro
- ✓ Everything in Free
- ✓ Unlimited saved configs
- ✓ Configuration presets
- ✓ Future updates included
Frequently Asked Questions
Does Fillo work on any website?
Yes, Fillo works on most standard HTML forms. It intelligently scans the page for inputs and detects their types to provide relevant data.
Is my data sent to a server?
No. All form generation runs locally in your browser. Fillo is privacy-first and does not collect or transmit the data you generate.