DevToolbox - All-in-One Developer Tools

All the developer tools you need, in a single lightweight extension. No more juggling multiple tabs or installing separate plugins. **Built-in Tools:** **Timestamp Converter** - Convert between Unix timestamps and human-readable dates instantly - Auto-detect seconds (10-digit), milliseconds (13-digit), microseconds (16-digit), and nanoseconds (19-digit) - View results in ISO 8601, RFC 2822, UTC, and custom timezones - Right-click any selected text to convert timestamps directly on the page **Base64 Encoder/Decoder** - Encode and decode Base64 strings with one click - Copy results to clipboard instantly **URL Encoder/Decoder** - Encode and decode URL components with special character handling - Perfect for debugging query strings and API parameters **JSON Formatter** - Full-page split view with collapsible tree and syntax highlighting - Smart search with auto-expand matching nodes - Extract and format JSON from any webpage with "From Page" - Beautify, minify, and copy with one click **Hash Generator** - Generate MD5, SHA-1, and SHA-256 hashes instantly - One-click copy for easy comparison **Color Converter** - Convert between HEX, RGB, and HSL color formats - Live color preview swatch **Regex Tester** - Test regular expressions with real-time match highlighting - Support for global, case-insensitive, and multiline flags **Screenshot Capture** - Capture visible area or full-page screenshots - Download as PNG or copy to clipboard **Key Features:** - All tools work 100% offline — no data is sent anywhere - Bilingual support — auto-switches between English and Chinese based on browser language - Clean, minimal popup with search and category filters - Right-click context menu for quick timestamp conversion - No account required, no ads, no tracking Perfect for developers, API testers, DevOps engineers, and anyone who works with data regularly.