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Caesar cipher demo

To encrypt a message, enter the message in the Plaintext textbox, specify the shift, and click Encrypt. To decrypt a message, enter the message in the Ciphertext textbox, specify the shift, and click Decrypt. Note that, in this implementation, strings are converted to upper case before encryption/decryption, and spaces and punctuation marks are not encrypted/decrypted.

Plaintext Shift Ciphertext

Using this tool try to decrypt the following message: SDQMF VAN, KAG NDAWQ FTQ OAPQ!