How can I send a secure file for free?

To put it shortly: you can send a secure file, for free, using one of the following methods:

1. Use a file encryption service built around security and privacy. Our top 4 picks: SafeNote, Sync.com, OnionShare, WeTransfer.
2. Use an email service built around security and privacy. Our top picks: Protonmail, Tutanota, StartMail
3. Use an electronic signature software, such as SignHouse.
4. Use an encrypted messaging platform (e.g. Signal)

In this article we've outlined 6 methods (with multiple sub-methods) with step-by-step instructions on how to send a secure file. Most of the options covered are free, so that's great news!