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1. • • Because Base64 has fewer meaningful bits per byte than a binary data format (usually 6 instead of 8). This is specifically so it can survive various textual transformations that binary data would not.
     stackoverflow.com/questions/33811673/why-the-size-of-base64-encoded-string-is-larger-than-the-original-file

     Why the size of base64-encoded string is larger than the ...

2. People also ask

   Why is Base64 encoding more efficient?

   • If we assume uniformly distributed random byte values in our binary data then, on average, half of the bytes would be encoded in one bytes and the other half in two bytes. The UTF-8 encoded binary data would have 150% of the initial size. Base64 encoding grows only to 133% of the initial size. So Base64 encoding is more efficient.

   Binary Data in JSON String. Something better than Base64

   stackoverflow.com/questions/1443158/binary-data-in-json-string-something-better-than-base64

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   How do you create a binary string using base64?

   • Concatenate the four Base64 characters to form a 4-character string. Repeat steps 2–4 for each 24-bit group in the binary data. If the length of the binary data is not evenly divisible by 3 bytes, pad the end of the data with one or two zero bytes and add “=” characters to the end of the Base64 string.

   Base64 Encoding Explained: What It Is and Why You Need It

   medium.com/@kouranyi/base64-encoding-explained-what-it-is-and-why-you-need-it-e6cc89d54f6b

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   Why is Base64 so wasteful?

   • Base64 is apparently wasteful because we use just 64 different values per byte, whereas a byte can represent 256 different characters. That is, we use bytes (which are 8-bit words) as 6-bit words. There is a waste of 2 bits for each 8 bits of transmission data.

   What is the space overhead of Base64 encoding?

   lemire.me/blog/2019/01/30/what-is-the-space-overhead-of-base64-encoding/

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   What is the size of a Base64 array?

   • Base64 encodes each set of three bytes into four bytes. In addition the output is padded to always be a multiple of four. This means that the size of the base-64 representation of a string of size n is: So, for a 16kB array, the base-64 representation will be ceil (16*1024/3)*4 = 21848 bytes long ~= 21.8kB.

   Base64: What is the worst possible increase in space usage?

   stackoverflow.com/questions/4715415/base64-what-is-the-worst-possible-increase-in-space-usage

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   How to create a base64-encoded ASCII string in JavaScript?

   • The btoa() method creates a Base64-encoded ASCII string from a binary string (i.e., a string in which each character in the string is treated as a byte of binary data). Now you know that characters in JavaScript often require more than one byte, the next section demonstrates how to handle this case for base64 encoding and decoding.

   The nuances of base64 encoding strings in JavaScript

   web.dev/articles/base64-encoding

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   Does base64 encode data?

   • But base64 has nothing to do with how data is interpreted – for example, how text is displayed on a screen. Because in order to display something you first need to decode it from base64 back to the original form. Decoded data will be exactly the same as it was before encoding.

   What is base64 Encoding and Why is it Necessary? - freeCodeCamp.org

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3. stackoverflow.com › questions › 4715415Base64: What is the worst possible increase in space usage?

   stackoverflow.com › questions › 4715415

   Jan 17, 2011 · Base64 encodes each set of three bytes into four bytes. In addition the output is padded to always be a multiple of four. This means that the size of the base-64 representation of a string of size n is: ceil(n / 3) * 4 So, for a 16kB array, the base-64 representation will be ceil(16*1024/3)*4 = 21848 bytes long ~= 21.8kB.

4. stackoverflow.com › questions › 201479base64 - What is base 64 encoding used for? - Stack Overflow

   stackoverflow.com › questions › 201479

   Oct 14, 2008 · Anyone can convert the Base64 string back to its original bytes, so it should not be used as a means for protecting data, only as a format to display or store raw bytes more easily. Certificates x509 certificates in PEM format are base 64 encoded.

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     Base64 Encoding: What Is It? How Does It Work? | Built In

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6. web.dev › articles › base64-encodingThe nuances of base64 encoding strings in JavaScript - web.dev

   web.dev › articles › base64-encoding

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   Oct 17, 2023 · What happens when you apply base64 encoding and decoding to strings in JavaScript? This post explores the nuances and common pitfalls to avoid. btoa() and atob() The core functions to base64 encode and decode in JavaScript are btoa() and atob(). btoa() goes from a string to a base64-encoded string, and atob() decodes back.

7. lemire.me › blog › 2019/01/30What is the space overhead of Base64 encoding? – Daniel ...

   lemire.me › blog › 2019/01/30

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   Jan 30, 2019 · Base64 is apparently wasteful because we use just 64 different values per byte, whereas a byte can represent 256 different characters. That is, we use bytes (which are 8-bit words) as 6-bit words. There is a waste of 2 bits for each 8 bits of transmission data.

8. www.freecodecamp.org › news › what-is-base64-encodingWhat is base64 Encoding and Why is it Necessary?

   www.freecodecamp.org › news › what-is-base64-encoding

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   Nov 28, 2023 · In fact, all ASCII characters produced by base64 are ultimately bits and bytes, just like the original data. (But of course the amount and order of bits change). Here is a bash command to get a binary representation of a string:

9. medium.com › @kouranyi › base64-encoding-explainedBase64 Encoding Explained: What It Is and Why You Need It

   medium.com › @kouranyi › base64-encoding-explained

   May 9, 2023 · Here’s a step-by-step explanation of how Base64 encoding works: Divide the binary data into 24-bit groups (3 bytes) if the length of the binary data is evenly divisible by 3 bytes. For each 24...

10. b64encode.com › blog › base64-algorithmThe Base64 Algorithm: Encoding & Decoding Manually and with ...

    b64encode.com › blog › base64-algorithm

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    Explore the Base64 algorithm’s encoding and decoding techniques through both manual execution and pseudocode. This article offers a concise breakdown of the process, shedding light on how data transformation occurs between binary and textual formats.