Extensions

Browser extensions

Extend your browser with our extensions

Google Chrome extensions Extend Chrome with our extensions

User-Agent Switcher

Quickly switch between different "user-agents".

Responsive Web Design Tester

Test your website on different mobile devices.

Live HTTP Headers

Showing all HTTP requests sent to and from the browser.

HTTP Headers

Showing "HTTP header" for the current tab.



Opera extensions Extend Opera with our extensions

User-Agent Switcher

Quickly switch between different "user-agents".

Responsive Web Design Tester

Test your website on different mobile devices.

Quick Shortcuts

Additional menu to quickly find settings and options.

Live HTTP Headers

Showing all HTTP requests sent to and from the browser.

HTTP Headers

Showing "HTTP header" for the current tab.

Base64 Encode and Decode

Encode and decode Base64 strings on web pages.