Data Formatter — JSON & CSV

Validate, pretty-print, minify, and convert between JSON and CSV. Errors point at the actual problem.

🔒 Your data never leaves this tab — everything runs locally.

Premium — coming soon

Formatting data all day? Go Premium.

$4.99/mo

Checkout opens the moment Erik’s Lemon Squeezy store link is connected in billing.js. License activation is below.