SMALL TOOLS. EVERYDAY JOBS.

MP4 to MP3.

Extract audio from an MP4 video. Convert on your device, then preview and download your MP3.

On-device processing

YOUR WORKSPACE

Drop your MP4 file here

or choose a file from your device

MP4 · 100 MB total · Up to 20 min

MP3 qualityHigher bitrate = larger file

Advanced settings Sample rate & channels

Sample rate Mono output

Metadata and cover art are removed from the output.

Files stay on your device. No upload. No account.

THE TOOLBOX

A little less file friction.

MP4 to MP3

Extract audio from an MP4 video.

Compress MP3

Make an MP3 smaller by lowering its bitrate.

Trim audio

Keep the part you need.

WAV to MP3

Turn a large WAV recording into a smaller, widely playable MP3.

M4A to MP3

Convert an M4A voice memo or audio file to MP3 for easier playback and sharing..

FLAC to MP3

Create a compact MP3 listening copy from a FLAC file while keeping your lossless original..

MOV to MP3

Extract an MP3 audio track from a MOV recording, directly in your browser..

WebM to MP3

Make an MP3 from WebM audio or video.

MP3 to WAV

Decode MP3 into 16-bit PCM WAV for editing-software compatibility.

MP3 to M4A

Convert MP3 to AAC audio in an M4A container.

Merge audio

Join up to eight audio files into one MP3.

Volume booster

Raise or lower a recording’s volume and export an MP3.

Remove audio from video

Create a silent MP4 from an MP4 or MOV recording.

MP4 / MOV → MP4