Base64 encoding allows you to encode any text or file (including binary) using 64 ASCII characters. This enables you to transmit any data as text regardless of the character encoding. For example, in HTTP requests or you can embed data in the body of an email message.
A detailed description of the Base64 format can be found on Wikipedia:
https://en.wikipedia.org/wiki/Base64
Select data source:
•From external file
•Use this text
Assign Base64 text to a variable
Enter the name of the variable in which you want to save the result.
Also, save the encoded text to a file
To save the encoding result to a file, check this checkbox and enter the file name.
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