Free Online Utility Tools for Developers, Designers and Daily Work
Evarein Suite is a privacy-first collection of browser-based tools for currency conversion, timezone planning, JSON formatting, JWT decoding, hashing, text cleanup and more.
No signupBrowser-based workflowsMobile friendlyDeveloper and daily tools
Daily Use Tools
- EvaFX - Convert currencies instantly with live exchange rates for 150+ currencies. Free online currency converter with browser-side workspace and cached rates.
- EvaTime - Compare timezones side by side, edit any city time, and plan meetings across regions with a free online timezone converter.
- EvaCalc - Convert length, weight, temperature, speed, area, volume, data, time, pressure and energy units online for free.
Developer Tools
- EvaJSON - Format, validate, minify, sort, diff and convert JSON online. Free browser-based JSON toolkit with tree view and search.
- EvaHash - Generate MD5, SHA-1, SHA-256 and SHA-512 hashes. Encode and decode Base64, URLs and HTML entities in your browser.
- EvaJWT - Decode JWT tokens online and inspect header, payload, claims and expiry locally in your browser.
- EvaDiff - Compare two texts side by side with line-by-line and character-level diff highlighting. Free online text diff tool.