There's a few options...
Transmutr - https://lindale.io/transmutr
Skimp - https://skimp4sketchup.com/
Fluid Importer - https://www.fluidinteractive.com/products/sketchup-extensions/fluidimporter/
Universal Importer - https://sketchucation.com/plugin/2275-universal_importer
...the best, that's another discussion.
Fluid is fast though. All can be trialed and the last is free but donating to author is good karma 👍