TabsFolders currently supports Chrome based browsers.
We are working on support for other browsers (Safari when the new Safari API will bring back Safari 12 API functionality).
TabsFolders works seamlessly with Chrome (on macOS, Windows, Linux and ChromeOS, etc.)
and with Chrome based browsers like Microsoft Edge, Opera, Brave, Vivaldi.
You can install the TabsFolders "chrome extension" for Opera by:
1)First install the "Install Chrome Extensions" extension for Opera:
2)Then install TabsFolders from this link: