Free Audio Mastering Online

How free online mastering works

Mastering is the final polish on a mix: balancing tone, controlling dynamics, and raising loudness so your track sounds finished and holds up next to commercial releases. AetherWave does it automatically. You upload your mixed track, choose a preset that matches your genre, and the masterer processes it into a clean, loud, streaming-ready file.

There is nothing to download and no digital audio workstation required. The whole thing runs in your browser, and your first master is completely free.

Studio-quality output

Every master comes back as a genuine 24-bit / 48 kHz WAV, the same resolution professional studios deliver, not a lossy MP3. You get twelve genre presets covering pop, rock, hip hop, EDM, R&B, lo-fi, acoustic, cinematic, and more, plus general and podcast options, each tuned to the right loudness target for its style.

Genre mastering presets

Frequently Asked Questions

Is audio mastering really free here?

Yes. Your first master on AetherWave is completely free. Upload a track, pick a preset, and download a studio-quality WAV with no charge and no software to install.

What file do I get back?

You get a professional 24-bit / 48 kHz WAV file, the same resolution studios deliver. It is ready to upload to streaming platforms or use anywhere you need a finished master.

Do I need mastering software or a DAW?

No. AetherWave masters your track in the browser automatically. There is nothing to install and no plugins to learn.