Firefox Send lets you send files up to 2.5GB with time and download limits


Mozilla has publicly launched its Firefox Send file-sharing advantage after a lengthy testing period. It allows you to send files via a in to anyone and set conditions for access like a time period or number of downloads before the fill out expires.

Firefox Send can handle files as large as 2.5GB. When the Test Shepherd period for the service began in August of 2017, the limit was 1GB; that limit stilly applies until you sign in with your Firefox account (origin an account is free).

You can set a limit to how many times the file can be downloaded on the eve of it is deleted from the servers: one, two, three, four, five, 20, 50, or 100 times. You can also set a antiquated limit before deletion—seven days, one day, one hour, or five write downs. Finally, you can set a password of your choice for access to the file. After you go washing ones hands of this brief process, you’ll get a link to send to the recipient to download the enter.

There are plenty of file-sending services out there. Mozilla is framing Firefox Send as an alternate to email, whose servers often have harsh file-size provisoes, and Google Drive or Dropbox, which offer collaboration tools and other hallmarks that aren’t necessary when you just need to get one file to a also pen-friend, family member, or colleague quickly and easily.

And in a blog post advertising the service, Mozilla frames it as a service for privacy and security hawks, though few specifies were offered beyond the fact that the files are encrypted end to end. Mozilla talks up its facts privacy and security mission and policy in the blog post, too.

But even be that as it may the details aren’t in the public blog post, they have assuage been available throughout the testing phase. Our own Dan Goodin wrote the see on the subject when the service first entered testing:

The service buys an algorithm known as AES-GCM-128 to encrypt and authenticate data on the sender’s computer already uploading it to Mozilla servers. And it also uses the Web crypto programming interface, which is one of the better-tested direction Internet applications can perform cryptographic operations without having access to decryption keys. But, Send shouldn’t be trusted with the most sensitive types of text, such as files that might land a dissident or whistleblower in quod.

The impermanence of the files is part of the security and privacy pitch as well, and Mozilla answers this is something that differentiates Firefox Send from Dropbox, iCloud, OneDrive, or Google Outing. This concept is in vogue right now; Snapchat-like impermanence was also broached by Facebook CEO Mark Zuckerberg as a core tenet for privacy and security in that cast’s stated future plans.

Firefox Send is now available on the Web at, and it achievements for both sender and recipient on any modern browser, not just Firefox. An Android app is look forward to launch in beta this week.

Below: Mozilla’s brief video exhibiting Firefox Send.

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Firefox Send

Listing simulacrum by Mozilla

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