How to Master in BandLab (One-Click Auto-Master)

Updated August 2026 · by Loopin

BandLab offers free one-click auto-mastering presets that output an unwatermarked WAV — you upload your mix, pick a preset, and download. It’s genuinely free, but it lives inside the BandLab platform, so it needs a free account or the app context. If you’d rather not sign up or upload anything, Loopin’s browser mastering runs entirely on your device with no account required.

What BandLab mastering actually is

BandLab’s mastering is an auto-master: you give it a finished stereo mix, choose from a set of presets, and it returns a mastered file. There are no chains to build and no plugins to dial — the processing is decided for you by the preset you pick, which makes it fast and beginner-friendly.

The output is a WAV with no watermark, and the feature is genuinely free — there’s no trial that suddenly stamps a voiceover on your download. The catch is that it runs inside the BandLab platform, so you need a free account or the app to use it, and you upload your mix to their service before you get anything back.

One-click auto-master — no chain-building
Preset-based — you pick a voicing, it does the rest
Unwatermarked WAV output
Free, but requires an account and an upload

How to master in BandLab, step by step

The workflow is short. Have your mixdown ready as a stereo file with a little headroom, then:

Create or sign in to a free BandLab account (web or app).
Open the mastering tool and upload your finished mix.
Try the different presets and A/B them against your mix.
Pick the preset that flatters the track without over-coloring it.
Download the unwatermarked WAV.
No-account, no-upload preference? Run the same job in Loopin’s free browser masterer instead — it processes on your device.

You can mix in BandLab too

BandLab isn’t only a masterer — it’s a full DAW with stock effects. You can record, arrange and mix with its built-in EQ, compression and effects, then run the finished mix straight through the auto-master without ever exporting to another app.

That end-to-end path is convenient if you’re already working inside BandLab. If your mix is already done elsewhere, you’re just using the mastering step on its own — and it’s worth mixing with a little headroom first so the auto-master has room to work rather than fighting a mix that’s already slammed against the ceiling.

Stock effects for recording and mixing
Mix then auto-master without leaving the platform
Handy if BandLab is already your workspace
Optional — you can bring a finished mix from any DAW

The trade-offs, compared fairly

BandLab’s auto-master is a legitimately good free option, and for a lot of demos and social posts it’s more than enough. But it’s worth being clear about what you trade for that convenience so you can pick the right tool for the job.

The two honest trade-offs are the account/app requirement and less transparency. You have to sign in and hand your unreleased mix to a server, and because a preset decides the processing, you can’t see or tweak the underlying chain the way you can in a DAW. If the preset over-brightens or over-compresses your track, your only real lever is to try a different preset.

Account/app required — you sign in and upload your mix
Less transparency — a preset picks the processing for you
Free and unwatermarked — a real plus
Great when you’re already inside BandLab

BandLab vs a no-signup browser masterer

The main alternative is a masterer that runs entirely in your browser with no account and no upload. Loopin’s mastering tool is 100% in-browser using Web Audio — nothing leaves your device — and it’s free with no signup and no watermark. Because the audio never touches a server, there’s no queue and nothing to delete afterward.

It also shows its work: a real chain runs corrective EQ, multiband compression with the bass band kept independent and mono, character EQ, saturation, M/S stereo with the low end mono, two-pass loudness targeting to about −14 LUFS, and a true-peak limiter at −1 dBTP, then exports a 16-bit WAV with dither. That transparency means you know exactly what happened to your track.

No account, no upload — processed on your device
Free, no signup, no watermark
Transparent chain — EQ, multiband, saturation, M/S, limiter
Targets about −14 LUFS and −1 dBTP, exports 16-bit WAV

Which should you use?

If you’re already recording and mixing inside BandLab, running its auto-master afterward is the path of least resistance and costs nothing. Pick a preset, A/B it against the unmastered mix, and download the WAV — you never leave the app.

If you’d rather not create an account, upload your unreleased mix, or hand the decisions to an opaque preset, master in the browser instead. Both are free and both output an unwatermarked file; the real difference is privacy, transparency and where the audio actually lives while it’s being processed.

Use BandLab if it’s already your DAW and you want one-click ease
Use a browser masterer if you want no signup and no upload
Both output a usable file for free — try both and A/B
Keep the target near about −14 LUFS for streaming either way

Common mistakes to avoid

Mastering a clipping mix — leave headroom before you upload or process.
Picking a preset without A/B’ing — compare against your unmastered mix so you don’t over-color it.
Assuming louder is better — streaming normalizes toward about −14 LUFS, so a hotter master just gets turned down.
Uploading a mix you’d rather keep private — a browser tool that processes locally avoids the upload entirely.
Skipping the true-peak check — aim for a −1 dBTP ceiling so lossy encoders don’t clip.

Frequently asked questions

Is BandLab mastering free?

Yes. BandLab’s one-click auto-mastering presets are genuinely free and output an unwatermarked WAV. You do need a free BandLab account or the app, and you upload your mix to their platform to use it.

Does BandLab watermark the mastered file?

No. BandLab’s auto-master outputs an unwatermarked WAV that you can download and release.

Do I need an account to master in BandLab?

Yes. BandLab mastering lives inside the BandLab platform, so it requires a free account or the app, and you upload your mix. If you’d prefer no account and no upload, Loopin’s browser masterer runs entirely on your device.

What’s the trade-off vs a browser masterer?

BandLab requires an account and an upload, and its preset-based approach is less transparent than a DAW chain. A no-signup browser tool like Loopin processes locally with nothing uploaded and shows the chain it runs. Both are free and unwatermarked.

Can I mix in BandLab and then master?

Yes. BandLab is a full DAW with stock effects, so you can record and mix there and then run the finished mix through the auto-master without leaving the platform.