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

LUFS M

LUFS Mastering

Master your music for Spotify — free, no upload, no software

Music SoftwareSaasSubscription
Most musicians distribute music to Spotify without knowing their tracks will be turned down automatically if they exceed -14 LUFS. LUFS Mastering solves this in seconds. Drop your audio file — WAV, MP3, FLAC — and the tool analyzes and masters it to exactly -14 LUFS with -1 dBTP True Peak using deterministic DSP algorithms (ITU-R BS.1770-4). No upload to any server. No account required. Everything runs locally in your browser. Built for musicians, producers, and freelancers who distribute to Spotify, Apple Music, DistroKid, TuneCore, CD Baby, and ONErpm. Also works for AI-generated music from Suno and Udio.
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What does LUFS Mastering help with?

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.

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