JSON Formatter
Pretty-print and validate JSON with two-space indentation
ABOUT
What is JSON Formatter?
Format messy JSON into readable, indented output and catch syntax errors instantly. Everything runs locally in your browser, nothing is uploaded.
ABOUT US
Small tools, built for the web.
Utilities that run entirely in your browser. No install, no signup, and your data never leaves your machine.
FAQ
Questions, answered.
Is my JSON sent to a server?＋
No. All processing happens locally in your browser with JavaScript. Nothing is uploaded anywhere.