Loom without an extension
A browser page. Nothing installed.
By using this site you confirm you have the right to download the file you request.
The irony of installing something for this
Loom already asks you to install its own desktop app and browser extension to record. Adding a third-party extension on top, just to save a file someone sent you, is a lot of permission granted for one download.
What runs here is about five kilobytes of JavaScript, and the fetching happens on our side.