Tool Vault is a free, fast, browser-based collection of 280+ online tools — no login, no paywall, no fluff.
Built for developers, creators, and everyday users who need reliable tools instantly:
- 54 Financial Calculators (mortgage, ROI, compound interest, retirement)
- Developer Tools (JSON formatter, Base64, regex tester, UUID generator)
- Health Calculators (BMI, calorie, body fat)
- Unit Converters, Generators, SEO Tools & more
Every tool loads instantly, works on any device, and is completely free. New tools added daily.
