Asked by: Majed Fouet
Asked in category: technology and computing, digital audio
Last Updated: 1st May 2024

What is ATOB?

Window atob() is used to decode a base 64 encoded string. It's used to decode data that has been encoded with the btoa() algorithm. It returns the string that represents the decoded string. EncodedString: This parameter is mandatory and specifies the encoded strings.



It is also important to understand what ATOB is in Javascript.

Atob() decodes data that has been encoded with base-64 encryption. You can encode, transmit and decode control characters like ASCII values 0 to 31. Use Unicode and UTF-8 strings in conjunction with this page.

What is ATOB and BTOA, respectively? Atob() decodes data encoded with base-64 encoding. The btoa() function creates an ASCII base-64 encoded string from a binary data "string". Both atob() as well as btoa() are able to work with strings.

You may also wonder, "Why is it called ATOB?"

Although I cannot locate a source right now, it is well-known that the b in this example stands for binary' and the a for ‘ASCII'. The functions are named ASCII to Binary and Binary to ASCII respectively for atob() and btoa()

What is base64binary?

Base64 is an encoding algorithm that can transform any character into an alphabet made up of Latin letters, numbers, plus and slash. It can be used to convert Chinese characters, images, and emoji into an areadablea string that can be saved or transferred from anywhere.

13 Related Question Answers Found

What is charCodeAt in JavaScript?

In JavaScript, charCodeAt() is a string method that is used to retrieve a Unicode value for a character at a specific position in a string.

What does base64 look like?

Base64. In computer science, Base64 is a group of binary-to-text encoding schemes that represent binary data in an ASCII string format by translating it into a radix-64 representation. Three 8-bit bytes (i.e., a total of 24 bits) can therefore be represented by four 6-bit Base64 digits.

What is Javascript decodeURIComponent?

The decodeURIComponent() function decodes a Uniform Resource Identifier (URI) component previously created by encodeURIComponent or by a similar routine.

Can I use encodeURIComponent?

If you're encoding a string to put in a URL component (a querystring parameter), you should call encodeURIComponent . If you're encoding an existing URL, call encodeURI . xkr.us has a great discussion, with examples. Note that this method does not encode the ' character, as it is a valid character within URIs.

What is base 32 called?

Duotrigesimal or base-32 is a numeral system with 32 as its base. Digits in this base can be represented using Arabic numerals 0-9 and the Latin letters A-V. Plural name is base-32.

Why is base 64 used?

The Base64 term originates from a specific MIME content transfer encoding. Base64 encoding schemes are commonly used when there is a need to encode binary data that needs be stored and transferred over media that are designed to deal with textual data. The primary reason is to convert binary data to something passable.

Why is encoding used?

The purpose of encoding is to transform data so that it can be properly (and safely) consumed by a different type of system, e.g. binary data being sent over email, or viewing special characters on a web page. The goal is not to keep information secret, but rather to ensure that it's able to be properly consumed.

What does UTF 8 mean?

UTF-8 (8-bit Unicode Transformation Format) is a variable width character encoding capable of encoding all 1,112,064 valid code points in Unicode using one to four 8-bit bytes. The encoding is defined by the Unicode Standard, and was originally designed by Ken Thompson and Rob Pike.

What is ascii format?

ASCII (American Standard Code for Information Interchange) is the most common format for text files in computers and on the Internet. In an ASCII file, each alphabetic, numeric, or special character is represented with a 7-bit binary number (a string of seven 0s or 1s). 128 possible characters are defined.

Is base64 a hash?

Base64 is nothing but a simple encoding method. A way to represent data. It has nothing to do with cryptography in the sense that it would be able to provide any kind of security. It is neither a hash, nor a cipher.

What characters are used in base64 encoding?

Put simply, base64 encoded data is a string of character that contains only a-z, A-Z, 0-9, + and / characters and is often used in situations when sending non-text information via a text only transmission protocol.

Why does base64 end with ==?

A more complete answer is that a base64 encoded string doesn't always end with a = , it will only end with one or two = if they are required to pad the string out to the proper length. 2- As a short answer : The 65th character ("=" sign) is used only as a complement in the final process of encoding a message.

Is base64 an UTF 8?

1 Answer. UTF-8 is a text encoding - a way of encoding text as binary data. Base64 is in some ways the opposite - it's a way of encoding arbitrary binary data as ASCII text.
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