Online Base64 File Encoder: Convert Files to Base64
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Online Base64 File Encoder: Convert Files to Base64

The Online Base64 File Encoder is a convenient tool that allows you to effortlessly transform various types of files into Base64-encoded strings. With this user-friendly online encoder, you can quickly convert files into Base64 format.

Base64 File Encoder

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What is Base64?

Base64 is a method of encoding binary data into ASCII characters to facilitate data transfer and storage.

What is Base64 Encoding?

Encoding, in general, refers to the process of converting data from one format to another.

Base64 encoding is achieved by representing binary data with a set of 64 different ASCII characters. This encoding is particularly useful when data needs to be exchanged between systems that do not natively support binary data.

How Does Base64 Encoding Work?

Base64 encoding works on a simple principle: it divides binary data into 6-bit chunks and maps these chunks to ASCII characters. This produces a text-based representation that can be safely transmitted across multiple systems.

How Do I Use the Free Online Base64 File Encoder?

  1. To get started, upload a file that you want to encode.
  2. Customise the settings, you can set each line to be encoded separately or the format of the output result.
  3. No need to press a button, the Base64 result will automatically appear in the Output field.
  4. If you want, you can copy the result using the Copy button.

Is Base64 an Encryption?

It should be noted that Base64 encoding is not a type of encryption. While it changes the way data is represented, it does not provide security or confidentiality. The goal of Base64 encoding is to ensure data compatibility and to avoid problems with binary data transmission.

Is it secure to use your Base64 File Converter?

Absolutely. Our program operates entirely on the client side, which means all the conversion processes occur within your browser. No data is sent to our servers, ensuring that your information remains under your control and confidential throughout the conversion process.

Base64 Characters and Table

Uppercase letters (A-Z), lowercase letters (a-z), digits (0-9), and two additional characters, typically “+” and “/”, comprise the set of 64 ASCII characters used in Base64 encoding. When the length of the binary data is not a multiple of three bytes, the “=” character is also used for padding.

ValueCharacterBinary Value
0A000000
1B000001
2C000010
3D000011
4E000100
5F000101
6G000110
7H000111
8I001000
9J001001
10K001010
11L001011
12M001100
13N001101
14O001110
15P001111
16Q010000
17R010001
18S010010
19T010011
20U010100
21V010101
22W010110
23X010111
24Y011000
25Z011001
26a011010
27b011011
28c011100
29d011101
30e011110
31f011111
32g100000
33h100001
34i100010
35j100011
36k100100
37l100101
38m100110
39n100111
40o101000
41p101001
42q101010
43r101011
44s101100
45t101101
46u101110
47v101111
48w110000
49x110001
50y110010
51z110011
520110100
531110101
542110110
553110111
564111000
575111001
586111010
597111011
608111100
619111101
62+111110
63/111111