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Auto-format JSON, YAML, Markdown, .env, INI & SQL into a clean syntax-highlighted viewer. Dark mode included. 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.
Jul 29, 2026
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.