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SendSafely Encryption for Chrome and Gmail
Chrome extension that provides end-to-end encryption for Gmail. Encrypt private emails and securely share files up to 10GB.
Lockmagic Gmail Encryption
Send secure, end to end encrypted email messages to anyone in the world while maintaining control of your shared content
FluffyPuffin File Encryption Free
FluffyPuffin Free encrypts any file less than 1MB to a chosen password and will automatically encrypt any download