Cryptii is described as 'This framework and web app aims to support a wide variety of ciphers, formats, algorithms and methods (called 'Bricks') while keeping them easily combinable. There are currently two types of Bricks: Encoders and Viewers' and is an website in the development category. There are four alternatives to Cryptii, not only websites but also apps for Android and Self-Hosted. The best Cryptii alternative is CyberChef, which is both free and Open Source. Other great sites and apps similar to Cryptii are StringFlux, Decrypto and DECIPHER.
CyberChef is a simple, intuitive web app for carrying out all manner of "cyber" operations within a web browser. Runs client-side in your browser via the website or as a downloadable html file.
StringFlux is a free online tool for developers to simplify string transformations like JSON escape, Base64 encode, URL encode, and more — all in one streamlined, privacy-friendly interface.
Decrypto is an application that provides a range of encryption and decryption tools. Over 25 traditional ciphers are implemented such as the Caesar code, ASCII code or the code of Vigenère.
Free online tools to help you solve decoding puzzles, learn codebreaking techniques, identify symbol/text ciphers, and test your skills on our puzzles—compete for the leaderboard!.
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