Mozilla’s encrypted file-transfer service ‘Firefox Send’ is now available to all

Mozilla yesterday announced ‘Firefox Send’ – a free encrypted file-transfer service – that is now available for everyone. Firefox Send is a website that allows users to transfer large files to other users from any web browser free of charge.

“We know there are several cloud sharing solutions out there, but as a continuation of our mission to bring you more private and safer choices, you can trust that your information is safe with Send,” wrote Nick Nguyen, Mozilla’s Vice President of Product Strategy. “As with all Firefox apps and services, Send is Private By Design, meaning all of your files are protected, and we stand by our mission to handle your data privately and securely.”

Here’s how Firefox Send works:

To use Firefox Send, just open the website ( in a web browser, click the “select files to upload” button or drag and drop whatever files you would like to share into the browser window. Then click upload and your file will be sent to Mozilla’s server. You will receive a download link that you can send to the recipient, which will allow them to download your file.

Anyone can share file sizes up to 1GB without logging in. However, you can upload files up to 2.5GB in size if you sign up for a free Firefox account, Mozilla said.

You can set to have the download link expire after a certain period of time, or after a certain number of downloads. Currently, Firefox Send allows links to remain for as long as 7 days or 100 downloads. At present, it is mandatory for you to choose both a timeframe and a download limit. The file link will expire depending on what comes first.

“By default, files are stored for a maximum of either 24 hours or 7 days. If you choose a download cap, the file can be deleted from our server sooner,” said Mozilla while explaining how it handles files uploaded to Send in its privacy document.

Even though the files are encrypted, you are also given the option to password-protect your private file link for an extra layer of security. You can either upload one file at a time or multiple files at once, which Firefox Send will automatically assemble in one big ZIP file.

Firefox Send is currently available through the website. Also, a Firefox Send for Android app is in the works and will be available in beta later this week.