How to master a Suno track for Spotify: LUFS loudness and limiter
You generated a track in Suno, but next to commercial releases it sounds quiet, dull or harsh? That is mastering — the final loudness and tone stage. Here is what streaming platforms need and how to bring your track to release level.
Why a Suno track needs mastering
Suno outputs tracks with inconsistent loudness: one is quiet, another is overcooked, a third has harsh highs or mild clipping. Streaming platforms normalize every track to one loudness, so a raw Suno file sags or distorts next to them. Mastering brings it up to the release standard.
What streaming platforms want
−14 LUFS integrated loudness — the target level for Spotify, Apple Music and YouTube.
True-peak below −1 dBTP — headroom so the codec (Ogg/AAC) does not add distortion.
Tame harsh highs — Suno often produces a hissy top end that should be smoothed.
How to master a track, step by step
Measure the integrated loudness (LUFS) of the source file.
Raise or lower it to the −14 LUFS target.
Smooth harsh highs and, optionally, add gentle compression for density.
Apply a true-peak limiter at −1 dBTP to remove clipping.
Export to WAV so streaming gets the track lossless.
The fastest way
Our free in-browser mastering does all of this: it measures loudness to the BS.1770 standard (verified against ffmpeg within ±0.1 LU), brings the track to −14 LUFS, applies a true-peak limiter and exports a 24-bit / 44.1 kHz WAV. Processing runs right in your browser — the file never leaves your device, with zero wait.
🎚️ Mastering — free
BS.1770 loudness, true-peak limiter, WAV output. All in the browser.
Tip: if the track also has digital Suno artifacts, run it through track cleanup first, then master it.
FAQ
What loudness does Spotify want?
Spotify normalizes tracks to about −14 LUFS integrated loudness. Keep true-peak below −1 dBTP so the codec does not introduce distortion. Our mastering targets exactly these values.
Do I need a DAW and plugins?
No. The in-browser mastering measures loudness to the BS.1770 standard and applies a limiter right in your browser — nothing is uploaded, and no DAW is needed.
Will raising the loudness cause distortion?
Not if true-peak is capped. The tool raises loudness to the target while holding peaks below −1 dBTP with a limiter, so there is no clipping.
Is it free?
Yes, the in-browser mastering is free: processing happens on your device and the output is a 24-bit WAV.