Base64 Decoder is a tool or algorithm used to convert data encoded in Base64 back to its original form. It is commonly used to encode binary data in a format that is safe for transmission over systems that may not handle binary data well, such as email systems or URLs.
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In Base64 encoding, every three bytes of binary data are represented using four characters from the Base64 character set, which consists of 64 different ASCII characters. These characters include uppercase and lowercase letters, digits, and two additional characters (usually '+' and '/'). The equal sign '=' is also used for padding to ensure that the encoded string has a length that is a multiple of four.
The Base64 Decoder reverses this encoding process by taking a Base64 encoded string as input and converting it back to its original binary form. This decoded binary data can then be used for its intended purpose, such as displaying images, processing files, or decoding encrypted data.
Base64 encoding and decoding are commonly used in various applications, including email attachments, data storage and retrieval in databases, data transmission over the internet, and cryptographic operations. The simplicity and efficiency of Base64 encoding make it a popular choice for handling binary data in text-based environments.
