LoudFix

Normalize Audio for Spotify

Spotify normalizes all audio to -14 LUFS before it reaches listeners. LoudFix measures your audio using ITU-R BS.1770-4 and applies a linear gain adjustment to hit the target exactly — no compression, no dynamic range loss.

Spotify Audio Requirements

Target LUFS True Peak Normalization Format
-14 LUFS -1 dBTP Up & Down FLAC 24-bit

How to Normalize Audio for Spotify

  1. 01

    Upload your audio

    Drop your WAV, MP3, FLAC, or other audio file onto LoudFix. Batch up to 15 files at once.

  2. 02

    Select the Spotify preset

    Choose Spotify from the platform list. LoudFix sets the -14 LUFS target automatically.

  3. 03

    Download and upload to Spotify

    Download the normalized file and upload it directly to Spotify.

When you upload audio to Spotify, their loudness normalization adjusts your track's volume before it reaches listeners. Preparing your audio to -14 LUFS ensures it sounds exactly as you intended.

Frequently Asked Questions

What LUFS does Spotify use?
Spotify targets -14 LUFS integrated loudness with a -1 dBTP true peak limit.
Will Spotify change my audio's volume?
Yes. Spotify normalizes all tracks to -14 LUFS.
Does normalizing affect quality?
LoudFix applies a linear gain adjustment only — no compression. Your dynamic range is fully preserved.
Can I normalize multiple files at once?
Yes. LoudFix supports up to 15 files in a single batch.
Is my audio uploaded to a server?
No. LoudFix processes everything locally in your browser using WebAssembly.

Other Platforms