Save the icon in .ico or .png format. Be sure to save your icon in one of these formats to ensure compatibility with most browsers, including Google Chrome and Firefox. Upload the icon to your server.

You can add as many containers as you want, assign an icon, and assign a color however you want. To customize Firefox Containers, click the Firefox Containers icon and select Manage Containers .

To add a web page to a tab group: Simply drag a tab that’s already open in Chrome to the right of the tab group name and let it go. Adding a tab to a group via drag-and-drop. Howard Wen / IDG ...

Vivaldi 6.0 allows you to add a list of Workspaces (left) which group related tabs (right). The new Workspaces feature is a bit more prosaic. Vivaldi has offered the ability to add a second row of ...