JSON Content Formatter
A Chrome extension that formats JSON in the current tab, highlights with highlight.js, linkifies URLs, and offers collapsible views and line numbers.
Features
- Auto format (optional) for supported content types.
- Manual format via toolbar icon or context menu.
- Theme selection (light/dark + highlight.js theme).
- Line numbers toggle.
- Collapsible blocks for JSON, YAML, XML, and Markdown.
Supported Languages
Defaults to JSON only. Enable additional languages in options:
- JSON
- Markdown
- Plaintext
- XML
- YAML
Usage
- Load the extension via
chrome://extensions(Developer mode > Load unpacked). - Open the extension options to configure:
- Auto format
- Theme mode and highlight theme
- Line numbers
- Enabled languages
- Use:
- Toolbar icon click to format the current tab
- Right-click the icon > "Einstellungen" to open options
- Right-click the page > "JSON jetzt formatieren"
Notes
- Auto format requires host permissions to read page content.
- Manual formatting uses language auto-detection only for enabled languages.