The Power BI Can-I-Have-It-In-Excel tool

Power BI Analyse in Excel only provides connected pivot tables.
This tool generates the connection file for a connected Excel table.

Find your dataset id or url on app.powerbi.com/datahub/datasets or in your Power BI workspace
Enter a table name or DAX code
Click on the generated link to download the odc connection file
Open the odc file, et voilà!

Dataset Id or url

Table name or DAX

Download your connection file:

Or share this link:

The file is generated via a data uri, no server communication is required: your inputs are never sent to a remote server.
In case of issue, ensure Power BI Analyse in Excel is working
Code available on GitHub. Download an offline version here
A "service" was created on a GitHub page allowing url parameters: LittleBigFrog.github.io/can-I-have-it-in-Excel?datasetID=xxxx&table=yourtablename_or_dax_code
As Power BI doesn't accept data uri hyperlinks, you can use
it to provide the connection file within your Power BI reports
Thank you Dan for helping me with my first Javascript