Encryption Tool

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Sites where Encryption Tool is a core feature are shown first, marked with a Core badge.

Encrypt and sign your data for free

GnuPG lets you encrypt and sign files or messages for free, helping protect your privacy and data with open-source, standards-based security tools.

Encrypt emails and files on your Mac easily

GPG Suite makes it easy to encrypt emails and files on macOS, offering simple tools for secure communication using OpenPGP/GPG technology.

Encrypt emails and files on Windows easily

Gpg4win lets you encrypt emails and files on Windows, helping you protect your privacy and secure your communications using open-source tools.

Encrypt your emails on any operating system

OpenPGP offers open-source email encryption tools for all operating systems, helping you protect your messages and maintain your privacy online.

Have truly private, encrypted IM conversations

Off-the-Record Messaging lets you have private, secure chats with encryption, authentication, and deniability for instant messaging conversations.

Encrypt your files and disks in real time

TrueCrypt offers free, open-source disk encryption for Windows, Mac, and Linux, letting you protect your data with real-time, automatic security.

Lock and encrypt files in seconds

Protect your files and data with easy-to-use security software that locks, encrypts, and safeguards folders on your PC, cloud, and external drives.