JSON

A collection of free, fast JSON utilities that run entirely in your browser. No data leaves your machine.

Formatter Format and prettify JSON with configurable indentation. Minifier Strip whitespace from JSON to reduce payload size. Validator Check JSON for syntax errors and structural issues. Diff Compare two JSON objects and highlight differences. Sort Sort JSON keys alphabetically at any nesting depth. TypeScript Generate TypeScript interfaces from a JSON sample. JSONPath Query JSON data using JSONPath expressions.