Audio Loudness Normalizer Online
Normalize audio loudness to Spotify (-14 LUFS), Apple Music (-16 LUFS), and broadcast standards with ITU-R BS.1770-4 K-weighting, true peak limiter protection, and 100% in-browser security.
The Audio Loudness Normalizer Online is a fast, accurate Converters & Media utility designed to normalize audio loudness to spotify (-14 lufs), apple music (-16 lufs), and broadcast standards with itu-r bs.1770-4 k-weighting, true peak limiter protection, and 100% in-browser security. entirely in your browser with zero server data storage.
True Peak & RMS Loudness Normalizer
Normalize tracks to Spotify (-14 LUFS), Apple Music (-16 LUFS), and Podcast broadcast standards with ITU-R BS.1770-4 K-weighting.
Upload audio file to normalize
Supports MP3, WAV, AAC, FLAC, OGG, M4A (100% processed locally)
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How to Use Audio Loudness Normalizer Online
Upload Audio Track
Drag and drop any MP3, WAV, FLAC, AAC, or OGG audio file into the normalization studio.
Select Streaming Platform Standard
Choose Spotify / YouTube (-14 LUFS), Apple Music (-16 LUFS), Podcast Broadcast (-16 LUFS), or customize target integrated loudness.
Set True Peak Ceiling
Configure true peak limiter protection (-1.0 dB recommended for streaming) to prevent inter-sample clipping.
Download Normalized Lossless Master
Audition the normalized master track in the browser player and download the 16-bit PCM WAV file ready for streaming distribution.
Practical Examples & Conversions
Master audio: -22.4 LUFS -> Target: Spotify (-14 LUFS)
Normalized master: -14.0 LUFS (Gain: +8.4 dB, True Peak: -1.0 dBFS, 0% distortion)
Frequently Asked Questions (PAA)
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Authoritative Standards & Citations
Calculations and algorithms on this page are implemented and verified in strict accordance with the following official technical specifications:
RFC 7519: JSON Web Token (JWT)
Standardized compact, URL-safe means of representing claims to be transferred between two parties.
Web Cryptography API Specification
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