This extension is not updated frequently, feel free to contribute yourself
Repository for the Ultimate Spotify Search add-on for Firefox and Opera (Chrome took it down)
- Simplifies search on Spotify.
- Adds launchers on Youtube, Soundcloud, Bandcamp.
- Allows search using right-click.
- Shows results on either desktop app or web player.
Firefox Add-ons: https://addons.mozilla.org/en-US/firefox/addon/ultimate-spotify-search/
Opera Add-ons: https://addons.opera.com/en/extensions/details/ultimate-spotify-search/