SwapAnything.io’s MP4 to MP3 Online Converter is a simple, free browser-based tool that extracts high-quality MP3 audio from MP4 video files in seconds — all without uploading your files to a server.

SwapAnything.io is an innovative AI tool that lets users effortlessly swap faces and outfits in photos and videos. No advanced editing skills are needed—just describe the transformation you want, select the elements, and let the AI instantly make the changes.