Security and Encryption: In security-sensitive applications, Base64 is used to encode keys, certificates, and other security credentials.Web and Networking Applications: Base64 data is often used in web and networking applications in Java, such as when dealing with HTTP headers, URL parameters, and HTML form data, where binary data needs to be safely transmitted.Base64 is a common encoding method for this purpose. Handling Binary Data: If you’re working with binary data in Java, such as reading a binary file, or storing binary data in a database, you often need to encode the data in order to safely transmit and store it.Decoding Data: The Base64.getDecoder() method returns a Base64.Decoder that can be used to decode Base64 strings back into byte data.Encoding Data: The Base64.getEncoder() method returns a Base64.Encoder that can be used to encode byte data or strings into a Base64 string.This class provides three different encoders and decoders: basic, URL-safe, and MIME type. Java Library Support: Java 8 and onwards provide support for Base64 encoding and decoding through the 64 class.This ensures that the data remains intact without modification during transport. ![]() In Java, Base64 encoding is commonly used when there is a need to encode binary data, particularly when that data needs to be stored and transferred over media designed to deal with text. Groups of 6 bits are converted into 4 numbers (24 = 4 * 6 bits), which are then converted into their corresponding Base64 values. These three bytes are joined in a 24-bit buffer producing a binary sequence. The letters M, a, and n are stored as the bytes 77, 97, 110, which are equivalent to binary representations 01001101, 01100001, and 01101110. For example, in the Base64 scheme, the word Man is encoded as TWFu. ![]() These characters represent the data in an ASCII string format, making it safer for transport over systems designed for text. The Base64 encoding process involves the conversion of binary data into a set of 64 different characters - A-Z, a-z, 0-9, +, and / are the standard set. The term “Base64” originates from a specific MIME-content transfer encoding. It’s a method often seen in numerous applications, including email via MIME and storing complex data in XML or JSON.īase64 is a term for a group of similar encoding schemes that encode binary data by treating it numerically and translating it into a base-64 representation. Its primary function is to ensure that the encoded data remains intact, without modification during transport. ![]() Encoded text Type or paste base64 encoded text into the text area above and the text will be base64 Decoded as you type What Is Base64 encoding?īase64 encoding is a popular method used to encode binary data, particularly when this data needs to be stored or transferred over media designed to manage text.
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