Convert MP4 to MP3
Drop your MP4 and get MP3 back in seconds. Our AI handles the conversion — no settings, no software, nothing to learn.
Talk to your files
Anything that used to take five menus and three export dialogs is now one sentence in the chat. Watch it work:
Built for how you actually work
One assistant instead of a dozen single-purpose converter sites.
Every format in one place
Images, documents, video, audio and data — 50+ formats handled by one chat, with a dedicated page for every conversion.
Private by design
Your files are used to run your conversion and nothing else. No sharing, no training, and everything auto-deletes within 24 hours.
Seconds, not minutes
Most conversions come back before you'd have found the right export menu.
Speaks your language
The whole product — pages, assistant and answers — works in seven languages.
Nothing to install
Runs entirely in your browser, on any device. No apps, no accounts to start, no updates.
MP4 vs MP3 at a glance
| MP4 | MP3 | |
|---|---|---|
| Type | Video | Audio |
| File extension | .mp4 | .mp3 |
| Compression | Depends on codec | Lossy |
| Support | Opens everywhere | Opens everywhere |
| Best for | Sharing and publishing video | Music and audio everywhere |
What is a MP4 file?
MP4 (usually with H.264 video and AAC audio inside) is the universal video format: every phone, browser, TV and editing app plays it. It balances quality and size well, which makes it the safe choice for sharing, embedding and uploading.
What is a MP3 file?
MP3 made digital music mainstream and remains the most compatible audio format in existence. Its lossy compression shrinks audio to roughly a tenth of its original size while keeping quality most listeners can't tell apart from the source.
Why convert MP4 to MP3?
MP4 is a delivery format — when you need just the audio track, a loop for chat, or a different container for an editor, you convert out of it. MP3 plays on everything with a speaker and keeps files small — the universal choice for music, podcasts and voice.
MP4 to MP3, answered
Common questions about converting MP4 to MP3.
Drop your MP4 into the chat and ask to convert it to MP3. The assistant runs the conversion and gives you a MP3 to download — usually in a second or two.
Yes. You can convert MP4 to MP3 for free as a guest. Signing in raises your limits and lets you convert more files per day.
No. Everything runs in your browser — there's nothing to download or set up. Just drop your MP4 and go.
Your MP4 is only used to run the conversion you asked for. We don't share it or use it for anything else, and it's automatically deleted from our servers within 24 hours.