Extract audio from any video as MP3 — free, with optional trimming. No upload, no sign-up.
Max file size: 500 MB · Files are processed locally in your browser, nothing is uploaded.
100% free · Converted locally in your browser · Your files never leave your device
First run loads the video engine (~30MB, one time). Audio encoding takes only seconds.
Music videos, podcasts, lectures, interviews — a huge share of the audio people want lives inside video files. Extracting it as MP3 gives you a tiny file that plays on every phone, car stereo, and speaker ever made, without the gigabytes of video data you don't need.
This tool runs FFmpeg compiled to WebAssembly entirely inside your browser tab. Only the audio stream is re-encoded (the video is discarded, never processed) — which is why conversion takes seconds even for large files. Your file never travels over the network.
Yes — unlimited conversions, no account, no watermark. Everything runs on your device.
MP4, MOV, WebM, AVI, MKV — anything with an audio track. The page is named MP4 to MP3 because that's what most people search for.
Yes — enter a start time and duration in seconds to extract only the segment you need.
192 kbps is indistinguishable from the original for most listeners. Choose 320 kbps for music archiving, 128 kbps for voice/podcasts where file size matters.
No. Extraction happens locally via FFmpeg in WebAssembly inside your browser.