The best websites like Send.firefox.com. Top Send.firefox.com alternatives 2020. Explore 34 alternatives to Send.firefox.com and read 10 reviews now on SameAs.NetWith Mozilla's new service FireFox Send, users can upload their files to the system and share their URLs for free. Users can upload up to 1 GB of files at a time without logging in. However, a free Mozilla account is required to install up to 2.5 GB. Users can set the download limit to the file's shareable link after uploading the files, and they can also have the schedule setting automatically deleted after a certain period of time. To make it even more secure, they can even add a password to the link and share the password with the link. Firefox Send attracts the attention of many users with its custom settings and interface ease.