LAME and FFmpeg for Audacity — Free and Safe Downloads

All you need to create MP3, open mp4, transform music formats, and more. This site is NOT affiliated with Audacity — READ before clicking. Good internet advice.

NOTICE: Try the new download wizard (LAME + FFmpeg) to pick the right file in seconds, including LAME for Audacity 2.x/2.0.3. You can also use the compatibility guide for a full table of versions.

LAME and FFmpeg for Audacity

BE ADVISED: For Audacity ≥ 3.0.3 FFmpeg 64‑bit, please see this FFmpeg 64‑bit page.

New: Convert Audacity .aup/.aup3/.aup4 to WAV without Audacity — try aup2wav (free Python tool).

  • Reads legacy AUP and modern AUP3/AUP4 directly
  • Exports stereo, multichannel, or stems
  • 16/24‑bit PCM or 32‑bit float WAV

Learn Nyquist Plugins: See Audacity Plugins Handbook.

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Choose your operating system

Guides & compatibility

I am here to help! Contact [email protected]. All libraries here are tested with Audacity on Windows and macOS. Beware of suspicious ads. See our Privacy page.

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LAME lets programs encode MP3 files. In some countries you may need to pay a license fee to legally encode MP3 files.

Audacity is a free, open source audio editor for recording, converting, noise removal, and more. I’ve used it for years; check out my music.

When you first export MP3 in Audacity, you’ll be asked to locate the LAME/FFmpeg libraries. Remember where you place them.


Windows downloads

See our curated links for LAME and FFmpeg compatible with Audacity. If an installer is not detected by Audacity, download the ZIP, extract to a known folder, then set the library path in Audacity’s Preferences → Libraries.

LAME for MP3 export (Audacity 2.x, including 2.0.3)

FFmpeg for Audacity 3.2+ (Windows)

FFmpeg for Audacity 2.0.6+ (Windows)

FFmpeg for Audacity 1.3.13-2.0.5 (Windows)

macOS 64‑bit downloads

Links for FFmpeg and LAME compatible with recent macOS versions. Choose 64‑bit unless you specifically need 32‑bit compatibility.

FFmpeg for macOS (64-bit)

Mac OS X 32‑bit downloads

Legacy links for older Mac systems and older Audacity versions.

FFmpeg for macOS (32-bit)


VLC Downloads

Mirror of official downloads (2019‑01‑11, VLC 3.0.6) and KernelEx:

Old Audacity Downloads

Currently 2.4.2 and 3.0.2 are available on this page.


OneSeq (work in progress)

Download oneseq.exe — a work‑in‑progress synthesizer/sequencer with multiple synth engines, a sampler, effects, and parameter locks.

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