Mobile User Agent Switcher Tool
Test how your website appears on different mobile devices by changing your browser's user agent
Easy Switching
Quickly toggle between different mobile user agents to test your website's responsiveness.
Device Simulation
Simulate popular devices like iPhone, Samsung Galaxy, and Google Pixel with one click.
Custom Options
Enter any custom user agent string for specialized testing requirements.
Pro Tip:
After changing your user agent, refresh the page to see how websites respond to the new device identification.
What is a User Agent?
A user agent is a string that web browsers send to websites to identify the browser type, version, operating system, and device. Websites use this information to deliver optimized content for specific devices.
Why Use a User Agent Switcher?
Mobile user agent switchers are essential tools for:
- Web Developers: Test responsive designs across different devices without owning each physical device
- SEO Specialists: Verify how Googlebot and other crawlers see your mobile site
- Quality Assurance: Check for device-specific bugs and rendering issues
- General Users: Access mobile versions of websites on desktop or vice versa
Popular Mobile User Agents
Here are some common mobile user agent strings:
- iPhone: Mozilla/5.0 (iPhone; CPU iPhone OS 16_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.0 Mobile/15E148 Safari/604.1
- Samsung Galaxy: Mozilla/5.0 (Linux; Android 13; SM-S901B) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.0.0 Mobile Safari/537.36
- Google Pixel: Mozilla/5.0 (Linux; Android 13; Pixel 7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.0.0 Mobile Safari/537.36
How This Tool Works
Our user agent switcher modifies the navigator.userAgent property in your browser temporarily, allowing you to simulate different devices. This change only affects your current browsing session and will revert when you reset or close the browser.
Best Practices for User Agent Testing
- Always test on real devices when possible for most accurate results
- Combine user agent switching with viewport resizing for complete responsive testing
- Clear your cache after changing user agents to prevent cached mobile/desktop versions
- Verify critical functionality on actual devices before deployment