JSON Formatter

Paste JSON. Get a pretty, syntax-highlighted version.

Your files never leave your device

How it works

Paste raw JSON — even minified or messy. We pretty-print it with two-space indentation, syntax highlighting, and collapsible nodes for deeply nested data. Runs locally in your browser.

This site was built in one night using AI.

Every tool here runs on somewhere.tech — the backend for developers who ship with AI coding agents.

30-second build video — coming soon.