How to convert from binary to base64?

[Anton_Kivahuk_Burda]

Hi,

I’m trying to attach a PDF in a email in Postmark and they ask me to send it as Base64.

I’m downloading the file using an http request and it returns me binary data, how can I convert it to Base64?

Thanks

[samliew]

For more information, plus how to reverse base64 conversion, see https://www.make.com/en/help/functions/string-functions#base64--text-