CodeUtil.dev
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CodeUtil.dev is a collection of 20+ browser-based developer tools. JSON formatter & validator, regex tester, cron expression generator, Base64 encoder/decoder, JWT debugger, URL parser, hash generator, and more. Everything runs client-side — no data leaves your browser. No sign-up needed, just open and use.
This framework is recommended for JavaScript developers who are already comfortable with React Native and want to leverage their existing skills to develop cross-platform applications that include desktop environments. It is suitable for projects that require rapid prototyping and consistent user experiences across mobile and desktop devices.
CodeUtil.dev's answer
CodeUtil.dev runs entirely in the browser — all processing happens on your device, so your data never touches a server. It bundles 20+ tools (JSON, regex, Base64, JWT, cron, hashing, and more) under one roof with zero sign-up. Just open the page and start working.
DevToys - A collection of converters, formaters, encoders, generators and other tools for your Windows desktop.
React Native - A framework for building native apps with React
CyberChef - The Cyber Swiss Army Knife
Deco IDE - Best IDE for building React Native apps
CodifyFormatter.org - Free Online Tools like Beautify Code, Minifiy Code, Code Converter, Code Formatter, Viewer, Editor for Developer: JSON, XML, HTML, CSS, JavaScript, Java, SQL, CSV and Excel and String Tools
Expo - The fastest way to build an iOS and Android app 📱