About DevUtil

DevUtil is a collection of essential developer tools built for speed, simplicity, and privacy. Everything runs in your browser so your data never leaves your device.

Whether you need to format JSON or SQL, convert YAML ↔ JSON, build a cron expression, transform text case, encode Base64, generate a UUID, or decode a JWT — DevUtil gives you a clean, fast interface without accounts, paywalls, or uploads.

Our principles

100% client-side processing — your inputs stay on your device
Always free — no subscriptions or feature locks
Single-purpose tools with clear defaults and instant results
Strong internal linking so related workflows stay one click away

DevUtil is built and maintained by Sachin Kasana in India. Have a feature request? We welcome ideas that make developers more productive.

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