Kryptor is free and open source file encryption software for Windows, Linux, and macOS.
It is a portable, cross-platform command line tool that makes use of modern and secure cryptographic algorithms. It aims to be a mixture of age and Minisign in terms of functionality to provide a simple, user friendly alternative to GPG.
Download Kryptor
The latest version is v3.0.4. Here are the pre-built binaries:
For instructions on verifying the signatures, please see the Installation page.
Please follow the project on GitHub and regularly use the -u|--update option to check for updates. It is important to stay up-to-date for security and compatibility reasons.​
Support for file signing so you do not have to use separate tools for encryption and signing.​
Short, copy/pasteable public keys. Shareable public key files.
Private key encryption for protection at rest.​
Optional file/directory name obfuscation.
Keep it simple, stupid! Avoid unnecessary complexity and too many features.
The goal is for Kryptor to be a mixture of age and Minisign in terms of functionality, whilst tweaking some design decisions and remaining simple/user friendly. This means symmetric and hybrid file encryption as well as file signing are in scope but compatibility with existing tools is not.
Kryptor is primarily designed to protect files for cloud backups, external storage backups, and file sharing. It is by no means a complete replacement for GPG, but that is a good thing considering the sheer number of features is what makes GPG difficult to use for many tasks.
Contact
If you want to report a bug, offer feedback, ask a question, or need technical support, then GitHub is the place to go.
Please see the FAQ or SECURITY.md file for information on reporting security vulnerabilities.
For other enquiries, please email me at samuel[dash]lucas6[at]pm[dot]me using an informative subject line. My PGP key is below.
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Donate
If you would like to support the project and help me afford the website domain, then please consider donating using PayPal, GitHub, or Monero. Every little helps. I am extremely grateful for all donations.