Extfolio Formator

Auto-formats JSON, JSON5, YAML, Markdown, .env, INI, Properties, and SQL into a clean viewer.

Formator automatically turns raw JSON, JSON5, YAML, Markdown, .env, INI, Properties, and SQL into a clean, readable viewer — right in your browser tab. Open an API response, a .json file, a YAML config, a SQL dump, or any supported text format, and Formator replaces the plain text with pretty-printing and syntax highlighting. No redirects. No uploads. Everything stays on your device. FEATURES • Auto-detects JSON, JSON5, YAML, Markdown, .env, INI, Properties, and SQL • Pretty-print with syntax highlighting • Dark and light themes • Adjustable indent size • Sort keys for JSON / JSON5 / YAML • Toggle individual formats on or off in the popup • Works on web pages and local files • Leaves SVG and XML pages untouched HOW TO USE 1. Install Formator 2. Open a supported raw file or API response in Chrome 3. Formator detects the format and shows a clean viewer 4. Use the popup to change theme, indent, sort keys, or disable formats PRIVACY Formator processes page content locally in your browser. Your settings are stored only on your device. We do not collect, sell, or transmit your browsing data.