JSON Viewer Extended EN

JSON Viewer Extended turns JSON responses into a fast, readable, themeable view, right where they open.

VIEWER
• Syntax highlighting, line numbers, folding (all, none or by level) and item counts on folded blocks
• Search inside the document (Ctrl+F) with match case, whole word and regular expressions
• JSONPath filter: $.data[?(@.paid == true)]
• Copy formatted or minified, download, sort keys, Raw view
• The path of the cursor in the status bar ($.items[3].name), copied with one click
• Clickable URLs, including paths like "/api/users" resolved against the page
• Color swatches, date tooltips (Unix time and ISO 8601) and image previews on hover
• Handles big documents: a light mode keeps files of tens of MB fast
• Also JSONP and NDJSON / JSON Lines

THEMES AND FONTS
• 17 built-in themes from VS Code (One Dark Pro, Dracula, GitHub, Tokyo Night, Nord, Night Sky…), light and dark, following the system
• Import any VS Code color theme, or duplicate one and edit its colors
• Any installed font or any Google Font, downloaded once and used offline; size, line height, weight and ligatures

MORE
• Scratchpad: click the toolbar icon to paste JSON and view it
• Right-click "View as JSON" on any page, or "View selection as JSON"
• Sites where the viewer should not open
• Configurable keyboard shortcuts and custom CSS
• Export and import your settings
• English and Spanish

PRIVACY
No analytics, no tracking, no servers. Pages are processed inside your browser and never sent anywhere.

Open source: https://github.com/marr-cloud/json-viewer
Inspired by tulios/json-viewer.