DevSexy

DevSexy is an indie-built developer toolbox for everyday debugging and data work. Its 35 free online developer tools include a JSON formatter, JWT debugger, Base64 converter, regex tester, and text diff. Input processing stays in your browser; no account or upload is needed.

For developers who want a desktop workflow, DevSexy for Mac provides a native offline toolbox with an immersive editor and Option shortcuts. The Mac app is available with a trial and a one-time license. Use it to inspect API payloads, compare configuration files, and convert encoded data while keeping your work on your own device.