Base64 Decode

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Base64 Decode Online

Base64 Decode is easy to use tool to decode base64 data to plain text. Copy, Paste and Decode.

What can you do with Base64 Decode?

  • Base64 Decode is very unique tool to decode base64 data to plain text.
  • This tool saves your time and helps to decode base64 data.
  • This tool allows loading the Base64 data URL, which loads base64 encoded text and decodes to human readable text. Click on the URL button, Enter URL and Submit.
  • Users can also convert base64 data File to Plain text by uploading the file.
  • Base64 Decoder Online works well on Windows, MAC, Linux, Chrome, Firefox, Edge, and Safari.

What is Base64?

Base64 is numeral system of base-64 which uses 64 digit set and can be represented by 6 bits.

Base64 is a group of similar binary-to-text encoding schemes that represent binary data in an ASCII string format by translating it into a radix-64 representation.

Base64 is used to encode binary data in email messages and web pages, for example. It is also used to transmit binary files through channels that are not 8-bit clean, or without the need to worry about byte order issues.

In computer programming, Base64 is a group of binary-to-text encoding schemes that represent binary data (more specifically, a sequence of 8-bit bytes) in sequences of 24 bits that can be represented by four 6-bit Base64 digits.

Common to all binary-to-text encoding schemes, Base64 is designed to carry data stored in binary formats across channels that only reliably support text content. Base64 is particularly prevalent on the World Wide Web[1] where one of its uses is the ability to embed image files or other binary assets inside textual assets such as HTML and CSS files.[2]

Base64 is also widely used for sending e-mail attachments. This is required because SMTP – in its original form – was designed to transport 7-bit ASCII characters only. This encoding causes an overhead of 33–37% (33% by the encoding itself; up to 4% more by the inserted line breaks).

To learn more about Base64, please visit Base64 Wikipedia page.


Base64 Encoded Text Try it.


Output: Base64 Decoded text


For Advanced Users

External URL

Load External URL in Browser URL like this https://format.asia/ base64-decode?url=external-url

Data as Parameter

Load Data in Browser URL input like this https://format.asia/ base64-decode?input=inputdata