Encryption process changed. Text is compressed before encryption, causing the encrypted text to be shorten, especially encryption long text.
Encryption and Decryption time are shown.
Text is added to all buttons.
Default window size enlarged.
Salt bytes increased from 4 bytes to 8 bytes.
Main input textbox default font changed to Segoe UI to support multi-language/Unicode characters.
Version 6.0 is not compatible with older version.
