MP4 to MP3 Converter

Extract the audio track from any MP4 video file and save it as MP3. The fastest way to grab music, podcast audio, voiceovers, or dialogue from video files — without keeping the video.

MP4MP3

Drop your MP4 file here or click to browse

MP4 (.mp4) · Max 20 MB

Free — 10-second preview, 5 conversions/month. Upgrade for unlimited

What is MP4?

The most common video container format. Used by YouTube, smartphones, and cameras. Extract audio from any MP4 file instantly.

What is MP3?

The most widely used audio format. Great compatibility, small file size. Ideal for music, podcasts, and general use.

Why Convert MP4 to MP3?

MP4 is the most common video container on the internet — YouTube downloads, screen recordings, Zoom sessions, downloaded podcasts, camera rolls, and video courses all use it. But most of the time you only need the audio. The video track adds nothing except file size: a 500 MB MP4 might contain a 30 MB MP3's worth of audio. Stripping it gives you a file that plays in every media player, uploads to every podcast host, fits in every email, and takes seconds to share. Inside most MP4s, the audio is already AAC — so extracting to MP3 involves one transcode pass. At 192–320 kbps the result is indistinguishable from the source on any normal listening setup. Choose 192 kbps for voice and podcasts, 256–320 kbps for music. The converter runs entirely in your browser using FFmpeg WebAssembly — your MP4 never leaves your device, which matters when the file contains a private meeting, unreleased track, or sensitive interview. Files up to 20 MB are free; Pro handles files up to 500 MB (roughly 15+ minutes of 1080p video).

Who Uses This Converter

Video podcast to audio-only episode

Record your podcast on camera, extract the MP3, and publish the audio version to Spotify or Apple Podcasts — no extra recording session needed.

Music video audio

Have a music video or live performance MP4? Pull the audio track and add it to your playlist or music library without keeping the large video file.

Screen recording narration

Extract voiceover audio from tutorial or demo screen recordings to repurpose in slide decks, documentation, or standalone audio guides.

Meeting & lecture audio

Convert Zoom, Teams, or Google Meet .mp4 recordings to MP3 for easier transcription, playback at 2× speed, or sharing with people who weren't on the call.

Frequently Asked Questions

Will I lose audio quality converting MP4 to MP3?

A small amount, yes — MP4 audio is usually AAC, and transcoding AAC to MP3 involves a lossy re-encode. At 192 kbps or higher, the loss is imperceptible for voice and most music. For archiving or editing, use MP4 to WAV instead to avoid any transcoding penalty.

What bitrate should I use?

192 kbps for spoken word, podcasts, interviews, and voice memos — clear audio, small files (~1.4 MB per minute). 256 kbps for music, YouTube audio, or video soundtracks — excellent quality. 320 kbps if you want the best possible result from the source. For voice recordings below 96 kbps in the original MP4, 128 kbps MP3 is sufficient — going higher doesn't add quality.

Does this work with screen recordings?

Yes. macOS screen recordings (Command+Shift+5), Windows Game Bar recordings (.mp4), and iPhone screen recordings shared out as MP4 all work. The tool extracts the microphone or system audio track and saves it as MP3.

What about Zoom, Teams, or Google Meet recordings?

Zoom saves recordings as .mp4 locally. Upload that file and extract the audio for transcription, podcast clips, or archiving. Teams and Meet recordings (usually downloaded from OneDrive or Google Drive as .mp4) work the same way.

Can I extract audio from YouTube downloads?

If you have an MP4 file saved on your device, yes. This tool processes files locally — it doesn't download from URLs or accept links. You need to have the MP4 file already on your computer or phone.

What happens to the video data?

The video track is discarded entirely. Only the audio is extracted and converted to MP3. Your original MP4 is untouched — the tool reads it but doesn't modify it. File size drops by 80–95% compared to the original video.

Is this converter free?

Yes. Free users get 5 conversions per month. The output is limited to the first 10 seconds as a preview, with a 20MB input file size limit. Upgrade to Pro for unlimited, full-length conversions.