In cryptography, a cipher (or cypher) is an algorithm for performing encryption or decryption —a series of well-defined steps that can be followed as a procedure.

Tool for encoding and decoding with the Caesar cipher, a simple and famous shift cipher that replaces each letter with another one further down the alphabet. Compatible with ROT13 and other variants.

Cipher, any method of transforming a message to conceal its meaning. The term is also used synonymously with ciphertext or cryptogram in reference to the encrypted form of the message. All …

Noun a cipher that can't be decoded She was nothing more than a cipher. Verb were surprised by how much we had spent on the cruise after we had ciphered out the grand total

Feb 26, 2025 · Over thousands of years, ciphers have evolved from coded messages into the creative arts and became part of a movement called Cypherpunk, at the heart of cryptocurrency, bitcoin and …

Stuck with a cipher or secret code? This free AI tool will help you identify the type of encryption and guide you how to decode and solve it.

Jul 23, 2025 · Cipher is used in securing financial transactions, protecting information, and maintaining the confidentiality of communication among many others. This article focuses on the concept of …

Identify cipher type from symbols, numbers, or encrypted text. Use this cipher identifier to analyze formats, spot patterns, and detect classic and custom encryption.

Vigenère cipher: Encrypt and decrypt online Method of encrypting alphabetic text by using a series of interwoven Caesar ciphers based on the letters of a keyword. Though the 'chiffre indéchiffrable' is …

Jul 11, 2025 · In cryptography, a cipher is an algorithm that can encrypt plaintext to make it unreadable, and to decrypt the encoded data back to plaintext again.