LUFS Mastering Reviews — Discover what people think of this product.

LUFS Mastering

Automatic mastering to Spotify standard: -14 LUFS · True Peak -1dB

Most musicians upload to Spotify without knowing tracks get turned down if they exceed -14 LUFS. LUFS Mastering fixes this in seconds. Drop your audio file — WAV, MP3, FLAC — and it masters to exactly -14 LUFS with -1 dBTP True Peak using deterministic DSP (ITU-R BS.1770-4). No upload to any server. No account required. Runs 100% locally in your browser. Built for musicians, producers, and freelancers distributing to Spotify, Apple Music, DistroKid, CD Baby, Tunecore, LANDR, etc.

What users think of LUFS Mastering

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More about LUFS Mastering

LUFS Mastering uses deterministic DSP algorithms following the ITU-R BS.1770-4 standard — the same used by all major streaming platforms. Processing happens 100% locally in your browser, so your audio files never leave your device. Perfect for protecting unreleased tracks. Free plan includes unlimited loudness measurement and 2 masterings per day. Credits ($1.49 · 10 masterings) and Pro ($4.99/month · unlimited) unlock batch processing, multi-target export for Spotify and Apple Music simultaneously, saved presets, and mastering history. Also works for AI-generated music from Suno and Udio. Available in 28 languages.