![]() It was developed and is maintained by Microsoft. TypeScript is a statically typed superset of JavaScript that compiles to plain JavaScript. However, Node.js allows developers to use V8 outside of the browser context, allowing JavaScript code to be executed on the server side. Node.js makes use of Google’s V8 JavaScript engine, which is best known for its use in the Chrome browser. It is intended to be efficient and scalable, making it ideal for developing real-time web applications and APIs. Node.js is an open-source, cross-platform runtime environment that allows developers to create and run server-side JavaScript applications. Online Base64 Translator What is Node.js? ![]() ![]() It is a useful method in a wide range of computer applications due to its widespread support across programming languages and ease of use. While Base64 encoding does not provide encryption or security in and of itself, it is a required tool for tasks like sending binary data over URLs, embedding graphics within web pages, and attaching files to emails. The padding character ‘=’ ensures that the encoded text’s length is a multiple of four, resulting in a consistent format. While Base64 encoding increases data size by around one-third when compared to its original binary form, its dependability and suitability for text-based settings make it a popular technique in a wide range of applications, particularly web development.Įncoding is the process of dividing binary data into little bits and mapping them to letters such as ‘A’ to ‘Z’, ‘0’ to ‘9’, and ‘+’ and ‘/’. These characters were chosen with great care to ensure compatibility and secure transmission. When binary data, such as images or files, must be represented using just readable characters, this encoding approach is extensively utilized.īase64 separates binary data into six-bit groups that are then mapped to specific ASCII letters. This is accomplished by converting binary data into a series of printable ASCII characters, enabling for secure transmission over a number of text-oriented protocols. What is Base64?īase64 is a binary-to-text encoding technique used to convert digital data into a text-based communication format. Learn how to convert binary data to a text-based format for secure transmission and storage, and reverse the process to retrieve the original data. The btoa() function does the opposite: it takes a binary string as an argument and returns the Base64-encoded string.Explore the fundamentals of Base64 encoding and decoding in Node.js and TypeScript using the built-in Buffer class. The atob() function takes a Base64-encoded string as an argument and returns the original binary string. ![]() These are two global functions in JavaScript that can be used to encode and decode data in Base64 format. If the input data is not a multiple of three bytes, padding characters ( =) are added to make it a multiple of four characters. Each character represents six bits of the input data. It is only a way of ensuring that the data can be safely transported across different systems that may have different interpretations of binary data.īase64 works by dividing the input data into groups of three bytes (24 bits) and then converting each group into four characters from the 64-character alphabet. Encrypting or obfuscating text data by using Base64 as a simple cipher or a component of a more complex encryption scheme.īase64 encoding is not meant to be a secure or efficient way of storing or transmitting data, as it increases the size of the data by about 33% and can be easily decoded by anyone.Transmitting binary data over protocols that are designed to handle text data, such as HTTP or WebSocket.Storing binary data in databases that are designed to handle text data, such as SQLite or MongoDB.Embedding binary data into HTML or XML documents, such as images or fonts, without relying on external sources or links.Sending binary data over email, as some email servers and clients may not support binary data or may alter the data during transmission.You may need to use Base64 encoding when you want to convert binary data into text format for various purposes, such as: It is useful for transmitting and storing data that might otherwise cause problems for some protocols or systems that are not designed to handle binary data. Base64 is a way of encoding binary data into text using 64 characters that are common to most encodings and that are also printable.
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