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Description
Formats JSON responses into a collapsible tree with search, themes and copy-path. Fast, private, works offline. Stop struggling with unreadable, one-line JSON. JSON Formatter — Viewer & Beautifier automatically detects JSON in your browser and instantly turns it into a clean, indented, color-highlighted, easy-to-read format. WHY YOU'LL LOVE IT • Automatic formatting — JSON responses and files are beautified the moment you open them • Collapsible tree view — expand or collapse nested objects and arrays with one click • Syntax highlighting — keys, strings, numbers and booleans are color-coded for fast scanning • Search inside JSON — quickly find keys or values in large documents • Validates JSON and highlights errors so you can spot problems instantly • Works on local files, API responses, and raw JSON URLs • Lightweight and fast — no lag, even on large JSON files WHO IT'S FOR Built for developers, QA engineers, API testers and data analysts who work with JSON every day and need to read it fast — not decode a wall of text. HOW IT WORKS 1. Install the extension 2. Open any JSON file or API endpoint in your browser 3. It's automatically formatted, highlighted, and ready to explore You can toggle raw and formatted view anytime from the extension icon. PRIVACY FIRST All formatting happens locally in your browser. Your JSON data is never sent to, stored on, or processed by any external server. Install JSON Formatter — Viewer & Beautifier and make reading JSON effortless.