QubitTool is a free, privacy-first online toolkit for developers and creators.
All processing happens in your browser — your data never leaves your device.
| Category | Top Tools | Try Now |
|---|---|---|
| ⚡ JSON | JSON Formatter, JSON Diff, JSON to CSV | Open → |
| 🖼️ Image | Image Compressor, Image Resizer, PNG to JPG | Open → |
| PDF Merger, PDF Compressor, PDF to JPG | Open → | |
| 📝 Text & Code | Regex Tester, SQL Formatter, Code Diff | Open → |
| 🧮 Calculators | BMI Calculator, Age Calculator, Loan Calculator | Open → |
| 🤖 AI Directory | AI Tools, MCP Directory | Open → |
| Quiz | Questions | Types |
|---|---|---|
| SBTI Personality Test | 32 | 27 unique types |
| 16 Tech Personality (MBTI) | 60 | 16 types |
| AI Mental Age | 10 | 8 age ranges |
| Humanity Index | 15 | 8 levels |
| Workplace Animal | 15 | 8 animals |
- 🆓 100% Free — No premium tiers, no hidden costs
- 🔒 Privacy First — All processing in your browser, files never uploaded
- ⚡ Fast & Clean — No ads cluttering the interface, instant results
- 🌍 Bilingual — English & Chinese (中文) supported
- 📚 130+ Technical Blog Posts — Deep dives on AI, encoding, web development
- 📖 170+ Developer Glossary Terms — From API to Zero-Shot Learning
