Download Nebula

For Windows 10 and 11, 64-bit. Your first 30 minutes are free, no card.

Download the installer

Released . Get the portable build if you cannot install apps.

  1. 1

    Open Nebula and sign in.

    The pill appears at the top of your screen. New accounts start with 30 free minutes.

  2. 2

    Pick the audio that carries the call.

    Choose Stereo Mix or a device marked System Loopback, so Nebula hears the other side.

  3. 3

    Press F2 to start listening.

    Try it on a mock interview or a YouTube video before the real thing.

If Windows warns you

Nebula is not code-signed yet, so SmartScreen may stop it the first time. Choose More info, then Run anyway. Check the SHA-256 below if you want to be sure the file is intact.

Files