About JSON Toolbox

JSON Toolbox is a collection of simple, fast developer utilities designed to make working with JSON easier.

Our tools include JSON formatting, validation, comparison and tree-based viewing, with more developer utilities planned over time.

Privacy by design

JSON entered into our tools is processed locally inside your browser. Your JSON content is not sent to our servers for formatting, validation, comparison or viewing.

Why we built it

Developer tools should be quick to open, easy to understand and useful without requiring accounts, uploads or complicated workflows.