Encode / Decode Data in base64
In some cases, it might be useful to use base64 data in a Google Apps Script code.
This tool can help you to encode or decode data in base64 in a few clicks.
Example of data in base64
https://sheets-pratique.com/en/tools/base-64aHR0cHM6Ly9zaGVldHMtcHJhdGlxdWUuY29tL2VuL3Rvb2xzL2Jhc2UtNjQ=