In cryptography, a classical cipher is a type of cipher that was used historically but for the most part, has fallen into disuse. In contrast to modern cryptographic algorithms, most classical ciphers can be practically computed and solved by hand. However, they are also usually very simple to break with modern technology. The term includes the simple systems used since Greek and Roman times, the elaborate Renaissance ciphers, World War II cryptography such as the Enigma machine and beyond.

Data Format Transformer is a topic online tool set of data format convertors, includes XML to JSON Converter etc.

Create Unique Personalized Avatars Instantly! Avatar Generator Online Tool that let you to craft your very own digital personas in seconds. Ideal for social media profiles, forums, gaming, and virtual communities, it allows you to effortlessly express your individuality by choosing from a diverse spectrum of facial features, hairstyles, clothing, and backgrounds.

Online Unit Converter for seamless and accurate conversions across various metrics. Convert between units of length, weight, temperature, volume, and more effortlessly.