# My Toolbox

> Free online calculator, converter, and developer tools for fast, local-first work in the browser.

## Main Pages

- [Home](https://tools.aiappbox.tech/en): multilingual directory of all tools
- [Privacy Policy](https://tools.aiappbox.tech/en/privacy-policy): how we handle data, cookies, and analytics
- [Terms of Service](https://tools.aiappbox.tech/en/terms-of-service): usage rules and service limits
- [Contact](https://tools.aiappbox.tech/en/contact): support and partnership contact options

## Tool Categories

- Developer tools: JSON formatter, Base64 encoder, timestamp converter, regex tester, URL encoder, hash generator, UUID generator
- Finance tools: loan calculator, amortization calculator, mortgage payoff calculator, interest calculator, currency converter
- Converter tools: color picker, unit converter, QR code generator
- Calculator tools: basic calculator, scientific calculator, mortgage calculator, percentage calculator, BMI calculator, age calculator, password generator

## Site Notes

- Locale-aware URLs are available under `/en`, `/zh-CN`, `/zh-TW`, `/ja`, `/ko`, `/es`, `/fr`, `/de`, `/pt`, `/ru`, `/ar`, `/it`, `/nl`, `/pl`, and `/tr`
- Most tools process data locally in the browser
- Canonical and hreflang metadata are generated per locale and per tool page