Normaldi

Normalize audio loudness for streaming platforms — drag, drop, done.

About

Tracks from Suno AI, GarageBand, or other sources often come out quieter than streaming platform standards. Normaldi brings them up to the right loudness so your music sounds as loud as everyone else's — without clipping or over-compressing.

Features

• Drag & drop — drop WAV, MP3, AIFF, or FLAC files into the app
• LUFS measurement — see the current loudness of each file (ITU-R BS.1770 standard)
• One-click normalize — bring files to your target loudness instantly
• True peak limiting — prevents clipping at -1 dBTP
• Batch processing — normalize multiple files at once
• Preserves dynamics — clean gain adjustment, no compression
• Remembers settings — output folder and target LUFS persist between sessions
• 100% on-device — your audio never leaves your Mac

Supported Targets

Platform	Target
Spotify / YouTube Music / Tidal	-14 LUFS
Deezer	-15 LUFS
Apple Music	-16 LUFS
Custom	Any value you set

How to Use

• Drag audio files into the app (or click to browse)
• Choose your target loudness from the dropdown
• Click "Normalize & Export"
• Pick an output folder — normalized files are saved with a timestamp suffix

FAQ

Will it overwrite my original files?

No. Normaldi always creates a new file with a timestamp suffix (e.g. song_norm_20260317_1315.wav). Your originals are never modified.

How accurate is the normalization?

Normaldi uses ITU-R BS.1770 K-weighted loudness measurement — the same broadcast standard used by streaming platforms. Typical accuracy is within 0.1 LUFS of the target.

Is my data safe?

Yes. All audio processing happens entirely on your Mac. No files are uploaded anywhere. The app does not collect any personal data.