![]() Note that, the Base64 encoding scheme also uses an extra 65th character = as pad character. These 64 characters form the Base64 alphabet. The characters generated from Base64 encoding consist of Latin letters, digits, plus, and slash. This means that the Base64 version of a string or file will be at least 133 the size of its source (a 33 increase). So, three 8-bits bytes of the input string/binary file (3×8 bits 24 bits) can be represented by four 6-bit Base64 digits (4×6 24 bits). The most common encoding is the base64 encoding defined in RFC 4648. Base64 is an encoding algorithm that converts any characters, binary data, and even images or sound files into a readable string, which can be saved or transported over the network without data loss. Encoded size increase Each Base64 digit represents exactly 6 bits of data. These characters include upper and lowercase alphabets ( A-Za-z), digits ( 0-9), +, and /. An Encoding is a radix 64 encoding/decoding scheme, defined by a 64-character alphabet. It is called Base64 because it works with a subset of 64 characters from the ASCII character set. It is an encoding scheme that converts binary data like image or file to the ASCII character set. Note that, Base64 is not an encryption or compression scheme. It is needed to safely transmit binary data over a transmission protocol/medium that does not support/handle binary data correctly. What is Base64 Encoding and why is it used?īase64 encoding is a way to convert any binary or text data into printable ASCII string format. ![]() The website also contains several tutorials and articles about Base64 encoding and how to Base64 encode any binary or text data in different programming languages like Java, Go, PHP, Python, and Javascript. Mainly used in email to transfer 8-bit data over a 7-bit data path. ![]() const b om ('Hello World'). Base64 is an encoding method that uses 7-bit printable ASCII characters. You can also convert an Image to Base64 encoded data using our Image to Base64 converter tool. To do base64 encoding in Node.js, we can use the om method. Once the data is encoded, you can click in the output textarea to copy the encoded data. Use this free tool to turn binary data into text (encode) or text into binary (decode). You can get started by typing or pasting any string in the input textarea, the tool will convert the entered data to Base64 encoded format in real time. Base64Encoder.io is a simple and easy-to-use online tool to encode any binary or text data to Base64 encoded format.
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