Select To Format JSON

Select JSON text, right-click, and view formatted JSON in a popup window.

Select To Format JSON — instantly beautify JSON from any webpage. HOW TO USE 1. Select any JSON text on a page 2. Right-click → "Format JSON" 3. A clean popup appears with your JSON formatted and syntax-highlighted FEATURES • Syntax highlighting — keys, strings, numbers, booleans, and nulls each have distinct colors • Auto-fix — handles common JSON issues like single quotes, unquoted keys, and extra wrapping • Copy button — copies the formatted JSON to your clipboard in one click • Footer info — shows top-level key count or array length at a glance • Keyboard shortcut — press Escape to dismiss the popup • No setup — works on any website, no configuration needed • Privacy-first — no data is ever sent anywhere; everything runs locally in your browser PERFECT FOR • Developers inspecting API responses • Anyone dealing with raw JSON in web pages or documentation • Debugging JSON that's hard to read without formatting No sign-in, no tracking, no permissions beyond what's needed