You’ve got no shortage of ways to send encrypted messages, and at least as many cloud services for sending large files. But the Venn diagram for the two remains surprisingly, inconveniently small. That’s the beauty of Mozilla’s Firefox Send, a free, intuitive, web-based service that lets you share large encrypted files, no strings attached. Send began in 2017 as an experiment, part of Firefox’s since-discontinued Test Pilot program.

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