Lime Kit

Audio Converter

Convert music, recordings, or extract audio from videos.
Local CPU Processing

Private Audio Conversion

Most online converters upload your files to a server. This tool uses WebAssembly to run a professional audio engine (FFmpeg) directly in your browser.

Supported Features

  • Video Extraction: Drag in an MP4, MOV, or MKV to get the MP3 audio track.
  • Format Swap: Convert between MP3, WAV, AAC, OGG, M4A, and lossless FLAC, Opus, ALAC, and AIFF.
  • No Limits: Since it runs on your computer, there are no file size limits (as long as your device can handle it).

First Run Note

The first time you use this tool, it will download the audio engine (~25MB). This is a one-time download and will be cached for future use.

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Did you know?

Sonic

In the original 1996 Japanese cut of the Sonic the Hedgehog OVA, a background music cue plays under Metal Sonic's transformation scene that was muted out of the English dub version of the same scene.

Make a ringtone from any track with our Audio Trimmer →