This app was mentioned in 5 comments, with an average of 1.20 upvotes
https://play.google.com/store/apps/details?id=roman10.media.converterv2
This one worked
Try Audio/Video Converter: https://play.google.com/store/apps/details?id=roman10.media.converterv2
Try https://play.google.com/store/apps/details?id=roman10.media.converterv2
audio/video converter