Partly. Loom's desktop app is for Mac and Windows only, but the Chrome extension records in the browser and Chrome runs on Linux, so screen and camera recording still work.
Loom by Loom · Video · Works in a browser
Loom says its recordings can be made with the Chrome extension, the desktop app or the mobile app, and
names Mac, Windows, iOS and Android as its platforms. Linux is not on that list, which means no desktop app
for you.
The Chrome extension is the way through. It installs in Chrome on Linux like any other extension and
records your screen, your camera and your voice, then uploads the video to your Loom library where sharing,
viewing and comments all work as before. Watching and managing Loom videos happens on the website anyway,
so that half is unaffected.
Be honest with yourself about what the extension cannot do. The desktop app is the version with the richer
recording controls and the tighter system integration, and some capture options only exist there. If you
record all day for work, test the extension on a real recording before you rely on it.
Your existing videos are safe on Loom's servers and nothing needs moving. If you would rather record
locally and keep the files yourself, OBS Studio is free on Linux and gives you far more control, at the cost
of the instant share link.