QA Toolbox

Fast, privacy-first tools for QA testing. No backend. No tracking. Everything runs locally in your browser.

A collection of essential QA testing utilities built with SvelteKit. All tools process data entirely in your browser — your data never leaves your device.

Live: https://qatools.dataflowkit.dev

🧰 Tools

• 📊 Test Data Generator — Generate test data: emails, phone numbers, UUIDs, names, addresses, and more
• 🔧 Payload Builder + Breaker — Build and break JSON payloads for API testing. Create invalid variants to test validation
• ✅ API Response Validator — Validate JSON responses against schemas. Check structure, types, and required fields
• 📖 Status Code Reference — Quick reference for HTTP status codes with descriptions and use cases
• 📋 Headers Inspector — Inspect HTTP headers, detect issues, and get recommendations for CORS, caching, and security
• 🍪 Cookie Debugger — Parse and debug cookies. Understand attributes, detect issues, and simulate cookie sending
• 🔐 Auth Debugger — Diagnose authentication and authorization issues (401/403) by analyzing HTTP headers, cookies, and JWT tokens

✨ Key Principles

• Privacy-First
• No Backend
• No Tracking

🛠️ Tech

Built with SvelteKit, TypeScript, and Tailwind CSS.

🧪 Development

npm install
npm run dev

🔒 Privacy

All processing happens locally in your browser.

• No data is sent to any server
• No cookies, tracking, or analytics
• Works offline after initial load

📝 License

MIT

👤 Author

Built and maintained by Anton Bulavenko

☕ Support

If you find this work useful, you can support independent open source software here:
Support

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