JSONFormatter Pro

Paste, format, fix, compare, and explore JSON in one place.

JSONFormatter Pro is the ultimate developer tool designed to make viewing, editing, and formatting JSON data effortless directly from your browser. Whether you are debugging API responses, analyzing complex data structures, or comparing payload differences, this extension provides everything you need in one powerful interface. Tired of messy, unreadable JSON walls of text? JSONFormatter Pro automatically intercepts raw JSON responses in your browser tabs and converts them into beautiful, readable, and interactive views. 🚀 KEY FEATURES: • Multiple View Modes: Switch seamlessly between Raw, Tree, and Graph visualizations to understand your data architecture. • Advanced JSON Editor: Edit, format, and minify JSON data on the fly with real-time error validation. • JSON Diff Checker: Instantly compare two JSON objects to highlight line-by-line additions, deletions, and modifications. • Format Conversions: Convert your JSON data into YAML or CSV formats with a single click. • Data Exporting: Easily download your formatted JSON, YAML, or CSV data straight to your local machine. • Tab History & Storage: Never lose your work. The extension automatically saves a local history of your recently parsed JSON files. • Customization: Choose from multiple beautiful syntax-highlighting color themes, including comprehensive Dark Mode support. • Bookmark Integration: Save your favorite formatted endpoints directly to your Chrome bookmarks. Built with performance in mind, JSONFormatter Pro works completely offline and processes data locally on your machine to ensure your sensitive JSON payloads remain secure and private. Perfect for front-end developers, back-end engineers, data analysts, and anyone who works with REST APIs or JSON data on a daily basis. Affiliate Disclosure This extension may use affiliate links when you choose to open products or services on supported platforms. These links help support development at no additional cost to you. These commissions help support ongoing development, improvements, and maintenance of the extension. Affiliate Disclosure This extension may use affiliate links when you choose to open products or services on supported platforms. These links help support development at no additional cost to you. These commissions help support ongoing development, improvements, and maintenance of the extension. ALl Shortcut Ctrl+Shift+F / Cmd+Shift+F → Open/close formatter overlay Esc → Close overlay Ctrl+Shift+M / Cmd+Shift+M → Toggle Pretty/Minified Ctrl+Shift+T / Cmd+Shift+T → Toggle Code/Tree view Ctrl+Shift+E / Cmd+Shift+E → Expand all (Tree view) Ctrl+Shift+L / Cmd+Shift+L → Collapse all (Tree view) Ctrl+Shift+C / Cmd+Shift+C → Copy active JSON