DevToolbox - All-in-One Developer Tools icon

DevToolbox - All-in-One Developer Tools

v1.0.0 Updated Mar 25, 2026 93.3KiB
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Description

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.
DevToolbox - All-in-One Developer Tools screenshot 1DevToolbox - All-in-One Developer Tools screenshot 2DevToolbox - All-in-One Developer Tools screenshot 3DevToolbox - All-in-One Developer Tools screenshot 4

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Permissions (4)

Permissions

activeTab Can access the current tab when you click the extension contextMenus Can add items to the right-click menu scripting Can inject scripts into web pages storage Can store data locally in your browser

Details

Version 1.0.0
Updated Mar 25, 2026
Size 93.3KiB
First Seen Mar 28, 2026