Best Programming Toolkit is described as 'Online tool for format/indent JSON string or XML string. calculate MD5/SHA-1/SHA-256/SHA-512 hash. Online Ping/nslookup/traceroute'. There are more than 10 alternatives to Best Programming Toolkit, not only websites but also apps for a variety of platforms, including Mac, Windows, Linux and JSON. The best alternative is DevToys, which is both free and Open Source. Other great sites and apps similar to Best Programming Toolkit are Boop (Free, Open Source), JSON Editor Online (Free), JSONFormatter.org (Free) and JSONLint (Free, Open Source).
DevToys is a Swiss Army knife for developers for Windows. DevToys helps in daily tasks like formatting JSON, comparing text, testing RegExp. No need to use many untruthful websites to do simple tasks with your data.
JSON Online Viewer is a fast JSON tree visualizer. Intended for small-to-medium sized JSON texts. Main features are: visually pleasing, easy interactivity and reliability. The tree can be searched with the browser's native search function (Ctrl-F).