That's a nice concept for a online tool (still in alpha stage if I get it right). You can load a gpx file, input how far you're willing to go off route, and then it shows all relevant POIs that are known through open street map. The idea is that you can reexport the track with the POIs included.

#bikepacking #brevet #biketooter #routeplanning #fahrradbubble

https://www.nightrides.cc/munchiesmaps/