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Convert video to MP3

Choose the audio you want, create an MP3, and download the finished track.

InputMP4, WebM, MOV and M4V videoOutputMP3

MP4 · WebM · MOV · M4VDrop a video to make an MP3or click to choose a file.

This is extraction aimed specifically at producing a good MP3: choose the section you want, even out the level so it is not far quieter than everything else in your library, and encode with either a constant bitrate or true variable bitrate. The result is a tagged, portable audio file that plays on any phone, car stereo or player.

CBR or VBR, and what bitrate to use

Constant bitrate spends the same number of bits on silence as on a full chorus. It is predictable, which is why some hardware players, older car stereos and streaming setups still prefer it. True variable bitrate spends bits where the audio is complex and saves them where it is not, giving better quality per megabyte on almost anything. As a practical guide: 320 kbps CBR for music you care about, V0-class VBR for the same quality at a smaller size, 128–192 kbps for speech, and 64–96 kbps mono for a long lecture you just need to hear.

Normalising before you encode

Video soundtracks vary wildly in level — a phone recording of a concert and a quiet interview can be twenty decibels apart. Normalising during extraction brings the track to a consistent loudness so it does not vanish or blast when it lands in a playlist next to other files. Do it before MP3 encoding rather than after: adjusting gain on an already-encoded MP3 means decoding and re-encoding, which throws away a little more quality for no benefit.

Questions, answered

What MP3 bitrate should I use?

320 kbps for music you want to keep, 128–192 kbps for speech, and 64–96 kbps mono for long lectures where size matters most. VBR gets comparable quality at a smaller size than CBR.

What is the difference between CBR and VBR?

CBR uses the same bitrate throughout, which is predictable and maximally compatible. VBR varies it with the complexity of the audio, giving better quality per megabyte. Choose CBR only if a specific device or service demands it.

Can I make the MP3 louder?

Yes — normalise during extraction so the track sits at a consistent level. Doing it here is better than boosting the MP3 afterwards, which requires another lossy re-encode.

Can I extract just one song from a long video?

Yes. Trim to the range before encoding and only that section becomes the MP3.

Will the MP3 have title and artist information?

Video files rarely carry usable music metadata, so expect to fill in tags yourself in your player or music manager after downloading.

Convert video to MP3

CBR or VBR, and what bitrate to use

Normalising before you encode

Questions, answered

Useful next steps