1 · Track — upload & measure
WAV or high-quality export straight from your DAW/generator. Everything runs in your browser — the audio never leaves your machine.
—LUFS (integrated)
—Peak dBFS
—Dynamics (crest)
—Duration
2 · Cartridge — the character
3 · Mastering strength
4 · Loudness target
5 · Master — render, A/B, download
A/B is gain-matched to the master's loudness — your ears judge character, not volume.