Backblaze, the service I described as “Online Backup With Time Machine’s Finesse“, has launched to the public. The site tries to differentiate itself from the myriad of other online backup solutions available by emphasizing simplicity. Backblaze advertises a 3-click-setup, tucking away all but the most basic features behind an “advanced” menu (which includes options like bandwidth throttling and file exclusion).

Since we last wrote about it, Backblaze has increased the maximum size of any individual file from 100MB to 4GB, and has added support for Email databases which can be updated even while in use. The service has also incorporated a web interface that allows users to download individual essential files from the cloud. After a two week trial, a Backblaze subscription is $5 a month. The service is currently only available for PC’s, but a Mac version is expected within a month.

Backblaze competes with a number of similar online backup sites, including Mozy, Carbonite, and SugarSync.