How to Master in GarageBand (What It Can & Can’t Do)

Updated August 2026 · by Loopin

GarageBand can do a basic master with its Master track — genre “Master” presets plus a stock Channel EQ, Compressor and a Limiter you add yourself, with the ceiling at −1 dB. But it’s limited: no LUFS meter and coarse control, so for a proper streaming-loudness master you’re better off bouncing the mix and finishing it in a dedicated tool like Loopin’s free browser masterer.

What GarageBand can actually do

GarageBand isn’t a mastering suite, but it has enough on the Master track to tidy up a mix. You get genre-based “Master” presets, and you can add a stock Channel EQ, Compressor and Limiter.

That’s enough for a rough, listenable master — a demo, a rough mix to share, a personal reference. It is not enough for precise, streaming-accurate loudness.

Master track with genre “Master” presets
Stock Channel EQ for broad tonal shaping
Stock Compressor for gentle glue
A Limiter you add for loudness and a ceiling

What GarageBand can’t do (be honest)

This is where you have to set expectations. GarageBand has no LUFS meter, so you can’t see integrated loudness — the exact number streaming services normalize to. Its controls are also coarser than a pro DAW’s, with no multiband compression or true-peak metering to speak of.

In short: you can make it louder and cleaner, but you’re working blind on the one measurement that matters most for streaming.

No LUFS meter — you can’t read integrated loudness
Coarse control — no proper multiband compression
No true-peak metering — only rough level meters
Fine for demos; not for precise streaming masters

The simple GarageBand master chain

If you do want to master inside GarageBand, keep it minimal and safe. Add these to the Master track and go gently — the goal is to clean up and control level without introducing damage you can’t hear on the meters.

Above all, keep peaks under 0 so nothing clips.

Add Channel EQ — a high-pass for rumble and small, wide tonal moves.
Add Compressor — light gain reduction for glue, not a squash.
Add Limiter — set the ceiling to −1 dB and raise gain modestly.
Watch the level meters and keep peaks under 0 the whole way.

Working without a LUFS meter

Because GarageBand won’t show you LUFS, don’t chase a specific loudness number inside it — you’d only be guessing. Integrated LUFS is a full-song average of perceived loudness, and streaming platforms use it to normalize playback, so hitting about −14 LUFS matters more than raw peak level.

The practical move: use GarageBand for a gentle, clean pass, then measure and finalise loudness somewhere that actually reads LUFS. That keeps you from over-limiting a track you can’t properly meter.

It helps to remember what the peak meter is and isn’t telling you. It shows the loudest instantaneous sample, not how loud the song feels over its whole length — two tracks can peak at the same level yet sit far apart in perceived loudness. That gap is exactly what a LUFS meter measures and GarageBand doesn’t.

Don’t push the Limiter hard trying to ‘be loud’ — you can’t see the result
Keep the master clean and dynamic, peaks under 0
Bounce, then measure LUFS in a tool that shows it
Aim for about −14 LUFS integrated for streaming — elsewhere

The better workflow: finish elsewhere

For anything you’re releasing, the reliable path is to treat GarageBand as your mixing room and finish the master in a tool built for it. Bounce a clean, unmastered mix with headroom, then run it through a dedicated masterer that targets streaming loudness and shows — or hits — the LUFS number for you.

Loopin’s free browser masterer is built exactly for this. It targets about −14 LUFS with a −1 dBTP ceiling, so you get an accurate streaming master without owning a pro DAW.

How to master a GarageBand track for streaming

The honest, reliable flow when you actually want to release the song:

Mix in GarageBand with headroom — peaks near −6 dB, nothing clipping.
Remove or bypass the Master track presets and any heavy Limiter for the bounce.
Export the mix to WAV at full quality.
Open Loopin’s free mastering tool and drop the WAV in.
Let the chain target about −14 LUFS integrated with a −1 dBTP true-peak ceiling.
A/B against your original, then download the 16-bit WAV and send it to your distributor.

Common mistakes

Trusting GarageBand for streaming loudness — with no LUFS meter you’re guessing; finish in a tool that measures it.
Cranking the Limiter to sound loud — you can’t see the damage, and streaming turns hot masters down anyway.
Stacking the “Master” preset and your own plugins — pick one approach so you’re not double-processing.
Letting peaks touch 0 — keep them under 0 and use a −1 dB ceiling to stay safe.
Mastering a mix with no headroom — bounce with room to work, not a pre-squashed file.

Master it free in your browser

Loopin’s online mastering gives your GarageBand mix the precision GarageBand can’t. It runs corrective EQ, multiband compression with the bass band kept independent, character EQ, saturation and M/S stereo work with the low end kept mono, then two-pass loudness targeting to about −14 LUFS and a true-peak limiter at −1 dBTP.

It’s 100% in-browser (nothing uploaded), free, no signup, no watermark, and exports a 16-bit WAV with dither. Bounce your mix, drop it in, and download a streaming-ready master in minutes.

Frequently asked questions

Can you master a song in GarageBand?

You can do a basic master using GarageBand’s Master track — genre “Master” presets plus stock Channel EQ, Compressor and a Limiter at a −1 dB ceiling. It’s fine for demos, but with no LUFS meter and coarse control it isn’t ideal for precise streaming masters.

Does GarageBand have a LUFS meter?

No. GarageBand has no LUFS meter, so you can’t read integrated loudness — the value streaming services normalize to. For an accurate streaming master, bounce your mix and finish it in a tool that measures or targets LUFS.

What limiter ceiling should I use in GarageBand?

Set the Limiter ceiling to −1 dB and keep peaks under 0 throughout. That headroom helps prevent clipping after lossy encoding, though without a true-peak meter GarageBand can only get you close, not exact.

How do I get GarageBand to streaming loudness?

Do a light, clean pass in GarageBand, then bounce the mix to WAV and finish in a dedicated masterer. Loopin’s free browser tool targets about −14 LUFS with a −1 dBTP ceiling, which GarageBand can’t measure on its own.

Is GarageBand’s mastering good enough to release?

For casual demos, yes. For a proper release you want accurate loudness and true-peak control that GarageBand lacks — so master the bounced mix in a dedicated tool, then release that. It’s a small extra step that makes a real difference.