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Sub Cipher free download for Mac

Sub Cipher

Version 1.0.3

Encode and decode messages.

Free
Absolutely Free

Sub Cipher overview

Sub Cipher is an easy-to-use Encoder/Decoder app, which can encode or decode "simple substitution ciphers."

It works on the "Caesar" and "Atbash" style cipher methods, which are simple offset-alphabet ciphers. The well-known "Rot13" cipher is one of these.

Simply type or copy-paste your encoded or decoded text to and from e-mail, messages, social media, and it is immediately converted for you. Up to 2,000 characters can be converted at a time.

You can also capture the settings you have dialed in (as lines of text) to save in another document. This can be useful if you are publishing a newsletter or book of ciphers, and want to keep the settings you used with each cipher along with the cipher itself.

Here are the main features:
  • Easy to use. Type into the plain-text or the cypher-text box, and the converted text is immediately displayed.
  • Easy to transfer. You can select all the converted text and paste it into any other text document.
  • Easy to adjust. Any substitution offset, forward or reverse can be dialed in.
  • Easy to save. The settings you dial in can also be saved as text for your notes.

Caveat Emptor: These ancient styles of ciphers are very simple and easy to decode! This is simply a fun utility, and is not intended for serious "secret message" work.

What’s new in version 1.0.3

Updated on Jul 12 2023

  • Increased text entry font size a bit for easier reading.
  • Added animated "Copied" note when copying settings to clipboard.
  • Better Intro Help Screens.

Information

License

Free

Size

8 MB

Downloads

45

App requirements

  • Intel 64
  • Apple Silicon
  • OS X 10.12 or later
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