AudioStrip is the best online tool for musicians to separate vocals and instrumentals from audio files. Users can access AudioStrip for free or upgrade to the premium version for features like batch uploading and 10 times faster separation speed. This service utilizes high-quality algorithms, offers a simple interface, and delivers rapid separation results, allowing users to process multiple audio files simultaneously. The service is free to use or users can opt for the premium version for a price of £5.99 per month.