Frosted JSON — Formatter & Validator

Frosted JSON is a lightweight, offline JSON tool with a frosted glass aesthetic. Paste your JSON and instantly validate, format, minify, sort keys, or remove empty values. Copy results to the clipboard or download them as a .json file in one click. Works fully offline, with no unnecessary permissions.

✨ Features

Validate JSON with clear error messages

Prettify with indentation for readability

Minify for compact storage and transfer

Sort keys recursively for consistent structure

Remove empty/null values and tidy up your data

One-click copy or download as .json

Import JSON files directly from your computer

Frosted glass design, minimal and distraction-free

Runs entirely offline, safe and private