https://addons.opera.com/en/extensions/details/the-switcher/
The Switcher extension - Opera add-ons
'Sublime Text'-like switching between tabs. Just press CTRL+M (Opera 17+) or click on the extension icon and start typing. The list of tabs will reorder...
the switcherextensionoperaaddons
https://support.switcherstudio.com/article/494-removing-the-switcher-studio-watermark
Removing the Switcher Studio Watermark - Switcher Studio Help Center
The Switcher Studio watermark only appears on videos made during the free trial version. Videos created while on a paid plan will not include the watermark. Key
the switcherremovingstudiowatermarkhelp