MP4ToMP3.tools

MP4ToMP3.tools is a free browser-local video-to-audio converter. It converts compatible MP4, MOV and WebM recordings to MP3, supports MP4-to-WAV output, and offers original-audio extraction when the source codec is compatible. Media processing happens on the device rather than an upload server. Users select a local file, choose available output settings, convert, and download the audio without an account or payment. It is useful for preparing listening copies of recordings or audio for editing. Compatibility depends on the source codec, and large recordings can be limited by browser memory.