Riverside.fm is a legitimate platform known for its high-quality transcription services. Users have praised its ease of use, audio and video quality, and customer support. The platform offers AI-powered transcription with 99% accuracy and supports over 100 languages. Reviews indicate that it is a reliable tool for podcasters and content creators, with features like speaker detection and editing from the transcript. Some users have noted minor issues with the software, but overall, it is considered a robust and effective solution for transcription needs.