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Salty
Browser-Native Secure Text Encryption
Salty makes it easy to send strongly-encrypted messages with a shared
key. It provides encryption capabilities via the browser's Web Crypto
API and uses basE91 for portability.
With Salty, you can encrypt a message as long as 185 characters and
the resulting cipher will still fit in a tweet (~277 characters),
making it ideal for encrypting tweets or other length-restricted
communication. You can use it anywhere, though, with text of any
length.
Acknowledgments
Salty has been re-written in modern Typescript, but was inspired by Neatnik's PHP Salty.