Convert Base64 to File Online
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Convert Base64 to HTML Online

Effortlessly decode and convert Base64-encoded data back to HTML format using our user-friendly online converter.

Base64 to HTML

Input Type

Text File

Input: Base64 Encoded Text

Settings

Output: Decoded Text

HTML Preview

What is Base64?

The most important facts about Base64:

  • Base64 encodes binary data into human-readable text.
  • It is used in emails, websites, and databases.
  • Used for embedded images, and data transmission.
  • It has an increased size.
  • Not an encryption method.

What is Base64 Decoding?

Here are the basics of decoding:

  • Decoding is the process of converting data from one format back to the original format.
  • It is the opposite of encoding.
  • Decoding is used to reverse the process of encoding.
  • For example, decoding a Base64 string will convert it back into its original binary data.

How Does Base64 Decoding Work?

Here are the specific Base64 decoding steps:

  1. Delete padding characters, if any.
  2. Split the Base64 string into groups of four characters.
  3. Translate each group of four characters into a corresponding 24-bit integer.
  4. Break the 24-bit integer into three 8-bit integers (bytes).
  5. Convert each 8-bit integer (byte) back into its corresponding binary value.
  6. Combine the three 8-bit integers (bytes) to form the original binary data.

What is HTML?

The standard language for creating web pages is HTML or Hyper Text Markup Language. It organizes the content of the webpage and instructs the browser on how to display it. HTML elements, which are specified by start and end tags, are used to label information such as headings, paragraphs, and links. Some elements are empty or lack an end tag. HTML often works with CSS, JavaScript or PHP to create complete web pages.

What is the Base64 to HTML Converter?

The Base64 to HTML Converter is a program that allows you to convert Base64-encoded data back into the original HTML format.

How To Use the Online Base64 to HTML Decoder?

  1. Simply enter the Base64 encoded file in the Input field.
  2. The conversion time may vary depending on the size, so please wait until it is finished.
  3. If you wish, you can download the decoded HTML file by clicking the Download button.

Is it secure to use your Base64 to HTML Converter?

Our program is designed entirely on the client side, ensuring that all conversion procedures take place directly within your web browser. Using this method, no data is sent to our servers during the conversion process. Using this client-side paradigm, we prioritize the security and confidentiality of your information.

Base64 Characters

Base64 uses a specific subset of the ASCII character set, comprising 64 distinct characters:

  • Uppercase and lowercase letters
  • Digits
  • Special characters
  • Padding character

This character set ensures that Base64 encoded data remains human-readable while retaining a balance between compatibility and security.

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