How to Convert Video to MP3 and Cut Audio (Free, In Your Browser)

Sometimes you only need the sound from a video: a lecture you want to listen to on the go, an interview for a podcast, a speech, or the music from a video you recorded yourself. Converting video to MP3 used to mean installing heavy software. Today you can do it in your browser in a few seconds, and your files never leave your device.

Extract audio from a video

Video to MP3 ConverterExtract the audio from MP4, MOV, WEBM or MKV videos as MP3.

1. Open Video to MP3 and drop in your video. MP4, MOV (iPhone), WEBM and many MKV files work.
2. Choose the bitrate (explained below). For speech, you can also tick mono to halve the file size.
3. The browser decodes the audio track and encodes it to MP3 with the open-source LAME encoder.
4. Preview the audio and click Download MP3.

Because everything runs locally, even a large family video or confidential meeting recording is converted privately.

Which MP3 bitrate should you choose?

Bitrate is how much data is used per second of audio. Higher bitrates sound better but create larger files.

Converting a low-quality source to 320 kbps will not improve it. Match the bitrate to your source and purpose.

Convert other audio formats to MP3

iPhone voice memos (M4A), WAV recordings, OGG and FLAC files can all be converted the same way:

MP3 ConverterConvert any audio or video file to MP3 in your browser.

Trim audio and make a ringtone

Once you have your MP3, you might only want part of it. The audio cutter shows a waveform so you can visually find the section you need.

Audio Cutter & MP3 TrimmerTrim MP3 and audio files, add fades, make ringtones.

1. Drop in your audio file.
2. Drag the Start and End sliders.
3. Add a short fade in and fade out so it does not start or stop abruptly.
4. Press Play selection to preview, then Cut & download.

For ringtones, choose a 20–30 second section, the catchiest part of the song. Android accepts MP3 ringtones directly; iPhone ringtones need to be converted to M4R (for example with GarageBand).

Record your own audio

Need to record a voice-over, a podcast intro or a quick voice note? Use the online recorder and save the result as MP3:

Online Voice RecorderRecord your voice with the microphone and save as MP3 or WAV.

Respect copyright

Converting videos you recorded, own, or have permission to use is perfectly fine. Downloading and converting copyrighted music or videos from streaming platforms may break their terms of service and copyright law. Always use content you have the right to use.

Frequently asked questions

Why does my video fail to convert? Your browser must support the video's audio codec. Chrome and Edge support the widest range. Some files with unusual codecs or DRM protection cannot be decoded.

Is there a length limit? No fixed limit, but very long videos (several hours) need a lot of memory. Split them if needed.

Can I convert a YouTube link? No. The tool converts files on your device. It does not download from streaming websites.

With a browser and a few clicks, you can turn any video into an MP3, trim it to perfection and take your audio anywhere.