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Hat.sh is a simple and super-efficient encryption and decryption tool for individuals who want to quickly encode their files using a custom or a randomly generated encryption/decryption key.

Starting an earlier version, Hat.sh is available, via custom executables, for Windows, macOS, and Linux distributions. Also, for Docker users, it can be installed from Docker Hub, from a custom image. Because this service is offered under open-source eligibility terms, you could self-host and deploy Hat.sh directly from its GitHub repository source, with npm and Node.js preinstalled.

Last but not least, the same serverless encryption and decryption methods are available to you via a web application.

Using the desktop application, you can easily manage your files and encrypt them using user-defined or -inputted keys, or by using the encryption/decryption engine that randomly generates a strong password for you.

Every time you insert or generate a new key, the bottom evaluation bar will automatically evaluate how strong your key is.

After uploading a file and selecting the key, you can use either the 'Encrypt' or the 'Decrypt' options. After the encryption/decryption process has been finalized, you will see (in a bottom list) all the ended processes from the current session. Also, you can download your newly encrypted/decrypted file and the corresponding encryption/decryption key.

To summarize, Hat.sh is an awesome software solution that offers flexibility to its users. You can load the current semi-portable app format onto a USB flash drive, access the encryption/decryption functionalities online, in a serverless environment, or simply build the application from the source, locally.

Encryption can be super-useful and important for both individual and business users. For example, documents that contain sensitive information and are sent in emails are usually scanned by bots (for security reasons and other prevention reasons). As such, instead of sending unprotected documents or files, you can use an application such as Hat.sh to hide important data and only make the decryption keys available for those who need to see the files.