Dev Tools is a free collection of 24 browser-based developer utilities. All tools run entirely client-side - no data is sent to servers, no signup required.
Cost / License
- Free
- Open Source
Platforms
- Online
CyberChef is described as 'Simple, intuitive web app for carrying out all manner of "cyber" operations within a web browser. Runs client-side in your browser via the website or as a downloadable html file' and is an app in the file management category. There are more than 10 alternatives to CyberChef for a variety of platforms, including Mac, Web-based, Linux, Windows and Flathub apps. The best CyberChef alternative is DevToys, which is both free and Open Source. Other great apps like CyberChef are DevHub App, CodeSwissKnife, DevUtils and DevBox.
Dev Tools is a free collection of 24 browser-based developer utilities. All tools run entirely client-side - no data is sent to servers, no signup required.






Welcome to OmniTools, a self-hosted platform offering a variety of online tools to simplify everyday tasks. Whether you are manipulating images, crunching numbers, or coding, OmniTools has you covered. Please don't forget to star the repo to support us.


Omni Tools is the most popular Self-Hosted alternative to CyberChef.
35+ crossplatform offline tools for web developers: text analyzer with AI counter, beautifiers (SQL, JS, CSS, HTML), converters (JSON, YAML, hashes, images, etc) and generators (crontab, UUID v1-v8, xid, random text, random string, etc).




Free online tools to help you solve decoding puzzles, learn codebreaking techniques, identify symbol/text ciphers, and test your skills on our puzzles—compete for the leaderboard!.

