OPEN-SOURCE PICK · FREE
BlackHole for Mac
Route audio between Mac apps
- Audio & video
- Open source
- Free
- ★ 19.9k on GitHub
BlackHole is a free, open-source virtual audio loopback driver for macOS. Pass sound from one app to another with zero added latency, for example to record system audio or send music into a call.
Key features
ZERO ADDED LATENCY
Audio passes between apps without extra delay.
2, 16 OR 64 CHANNELS
Pick the channel count you need.
WORKS WITH YOUR AUDIO APPS
Shows up as an audio device in any app that can pick an input or output.
Who BlackHole is for
- Podcasters and streamers
- Musicians routing audio between apps
- Anyone recording system audio
Install
With Homebrew:
Or use the Download button above and drag the app to your Applications folder.
Requirements: macOS 10.10 Yosemite and newer, Intel and Apple silicon.
A free alternative to Loopback and Soundflower
People often look for BlackHole when they want what Loopback or Soundflower does without paying. BlackHole is free and its source code is public, so you can see exactly what it does on your Mac.
FAQ
Is BlackHole free?
Yes. It is open source and free to download from its website or Homebrew.
How do I install it?
Run brew install blackhole-2ch (or 16ch or 64ch), or use the installer from existential.audio.
BlackHole is made by ExistentialAudio, not by OneClickTool. We list it because we use it and recommend it; we are not paid to. Details checked against its README on 2026-10-07.