StringFlux is described as 'Free online tool for developers to simplify string transformations like JSON escape, Base64 encode, URL encode, and more — all in one streamlined, privacy-friendly interface' and is an website in the development category. There are more than 10 alternatives to StringFlux, not only websites but also apps for a variety of platforms, including Mac, Windows, Linux and Self-Hosted apps. The best StringFlux alternative is CyberChef, which is both free and Open Source. Other great sites and apps similar to StringFlux are JSON Sage, DevBox, JSON Editor Online and JSONLint.