chrome-dev-formatter/README.md

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

1. Load the extension via chrome://extensions (Developer mode > Load unpacked).
2. Open the extension options to configure:
   • Auto format
   • Theme mode and highlight theme
   • Line numbers
   • Enabled languages
3. 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.