Ua Switcher

UA Switcher Chrome Extension

A beautiful, performant user agent switcher Chrome extension that allows you to easily switch between different user agents and automatically reload the page.

Features

- 🎨 Beautiful and modern UI with dark mode support
- ⚡ Performant implementation using Chrome's declarativeNetRequest API
- 🔄 Auto-reloads pages when switching user agents
- 📱 Includes a wide variety of desktop and mobile user agents with version numbers
- 🤖 Support for search engine crawlers and social media bots
- 🧠 Includes popular AI and LLM crawler bots (GPT, Claude, Gemini, etc.)
- 🧩 Simple and intuitive interface
- 🔍 Shows current user agent and URL
- ⭐ Favorites system to pin frequently used user agents
- ✏️ Custom user agent input and saving
- 🔧 Settings to manage saved user agents and options
- 🌓 Toggle between light and dark themes

Usage

1. Click the UA Switcher icon in the Chrome toolbar
2. Select a user agent from the list to apply it immediately
3. The page will automatically reload with the new user agent
4. Use the reset icon (↺) in the top right to revert to the default user agent
5. Star user agents to add them to your favorites for quick access
6. Enter custom user agent strings and save them for future use
7. Access settings via the gear icon to manage your options
8. Toggle between light and dark mode with the moon/sun icon

Advanced Features

Custom User Agents
1. Paste any user agent string into the input field
2. Click "Apply" to use it immediately
3. Click the save icon to store it for future use
4. Custom user agents will appear in their own section

Favorites
1. Click the star icon next to any user agent to add it to favorites
2. Favorites appear at the top of the extension for easy access
3. Click the star again to remove from favorites

Settings
1. Click the gear icon to open settings
2. Manage your saved custom user agents
3. Toggle auto-reload option

Dark Mode
1. Click the moon/sun icon to toggle between light and dark themes
2. Your preference is saved between sessions

Technical Details

- Uses Chrome's declarativeNetRequest API for efficient header modification
- Stores user agent preferences per tab
- Automatically cleans up when tabs are closed
- Uses modern JavaScript and CSS techniques
- Saves favorites, custom user agents, and settings using Chrome's storage API
- Implements custom styled modals for a consistent UI experience