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Mozilla launches its free, encrypted file sharing service, Firefox Send


Firefox Send, Mozilla’s free, encrypted file transfer service, is officially launching to the public today following its debut as a “Test Pilot” experiment back in August 2017. The service allows web users to share files up to 2.5 GB in size through the browser, while protecting them with end-to-end encryption and a link that automatically expires to keep the shared files private.

When Mozilla first began testing the web-based Send tool, file shares were limited to 1GB. Today, that remains the limitation until users sign up for a free Firefox account. They can then opt to share files up to 2.5GB.

The system is offers an alternative to email, where larger file attachments are more of an issue, as well as cloud storage sites, like Google Drive and Dropbox, which can be time-consuming when all you need to do is share a single file one time – not store the file, edit it, or collaborate with others.

To use the service, the sender visits the Send website, uploads the files, and sets an expiration period – a design choice seemingly inspired by Snapchat, and its concepts around ephemerality. You can also opt to have the files protected with a password before sending.

Firefox Send then offers a link you can give to the recipient however you see fit, which they simply click to start the download. They will not need a Firefox account of their own to access the files, Mozilla notes.

The organization suggests that the new tool could be used for moving files around the web that you otherwise had worried about sharing – like financial information, for example.