Protecting sensitive information is an essential part of computer security. Encryption ensures that files remain unreadable to anyone without the appropriate password or cryptographic key. It is particularly valuable when storing confidential documents, transferring files between computers, or keeping personal information on cloud storage services.
Linux offers several approaches to file encryption. Some applications encrypt individual files or archives, while others create encrypted containers or directories that can be accessed much like ordinary folders. There are also tools built around OpenPGP, allowing users to encrypt files for particular recipients, sign documents, and verify their authenticity.
This roundup focuses on graphical applications that make file encryption accessible without requiring extensive command-line knowledge. We cover command-line encryption tools and disk encryption software in separate roundups.
This roundup looks at the finest GUI-based file encryption tools. If you’re look for tools that encrypt a whole disk, head over to this roundup.
Here’s our verdict captured in a legendary LinuxLinks-style ratings chart. Only free and open source software is eligible for inclusion here.
Let’s explore the encryption tools at hand. For each application we have compiled its own portal page, a full description with an in-depth analysis of its features, screenshots, together with links to relevant resources.
| GUI File Encryption Tools | |
|---|---|
| GpgFrontend | Qt frontend for OpenPGP encryption, signing and key management |
| Cryptomator | Multi-platform transparent client-side encryption of files in the cloud |
| VeraCrypt | Strong disk encryption software (File and Disk) |
| Picocrypt NG | Community-developed continuation of the archived Picocrypt project |
| KGpg | KDE frontend for GnuPG with encryption and key management |
| Picocrypt | Very small (hence Pico), very simple, yet very secure encryption tool |
| Kleopatra | KDE tool for managing X.509 and OpenPGP certificates |
| Vaults | Create encrypted vaults in which you can safely store files |
| SiriKali | Qt/C++ GUI front end |
| Qccrypt | Qt cross-platform frontend for the ccrypt command-line tool |
| PGPTool | Java-based desktop GUI for PGP decryption/encryption |
| OpaqueFiles | Store or archive files in the cloud |
| Volaris for Desktop | Wrapper for Volaris |
| File Lock PEA | Password Encrypting Archive |
| Hideout | Simple drag-and-drop file encryption and decryption using GnuPG |
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