Go to the official UpFiles website. You can sign up using your Google account or a standard email/password combo. No credit card is required for the free tier.
A unique feature of UpFiles is "Remote Upload." Instead of downloading a file from a website to your computer, then re-uploading it to UpFiles, you can simply paste the source URL into UpFiles. The server fetches the file directly. This saves your local bandwidth and time.
This behavior reveals a profound tension between the desire for permanence and the reality of digital decay. In theory, a file uploaded to a reputable cloud service could outlive its creator, surviving hard drive crashes and house fires. It promises immortality for our data. But this is an illusion of permanence. The upfile is subject to a different kind of entropy: the entropy of context. File formats become obsolete, passwords are forgotten, and the organizational logic of our younger selves becomes an indecipherable code. A folder named "Misc" from 2015 is a digital tombstone for ideas that never materialized.