Documentation
Fill forms instantly for dev, demos, and QA testing
Open SourcePure JavaScript/TypeScript
Development & Testing Only
FillKit is designed exclusively for development, staging, and testing environments—never for production use with real users.
What is FillKit?
FillKit is an open-source JavaScript/TypeScript SDK that saves hours during development, demos, and QA testing. Simply embed it in your web page and it automatically fills all form fields with one click or keyboard shortcut.
Instant Form Filling
Fill every field in milliseconds with one click or Ctrl+Shift+K. Perfect for rapid testing and demos.
Local or Cloud-Powered Data
Choose between offline Faker.js (no setup) or AI-powered realistic datasets from our cloud provider. Learn more →
Privacy-First Design
FillKit never sends your HTML source code or form structure to our servers—everything runs locally in your browser. Read more →