Import Lucidchart diagrams to diagrams.net
Automatic migration to draw.io and diagrams.net for tools that don't expose diagram data.
Log into the Lucidchart in a browser tool and navigate to https://app.diagrams.net/tools/lucid/import.html into another tab.
Once authenicated you can convert all diagrams in your Lucidchart account to draw.io and output the results to one zip file.