Advanced Audio Mastering Tool

Upload Audio

Tip: Watch the L/R meter—red indicates clipping. Adjust EQ or limiter if needed.

Preset

Equalizer

Low (60Hz Shelf) 0 dB

Low Mid (250Hz Peaking) 0 dB

Mid (1kHz Peaking) 0 dB

High Mid (4kHz Peaking) 0 dB

High (12kHz Shelf) 0 dB

Stereo Width 100

Threshold -24 dB

Ratio 4

Attack 0.003 s

Release 0.25 s

Enable Loudness Target

Target Loudness -14 dBFS

Normalizes using RMS estimate.

Limiter Ceiling -1 dBFS

Fade In 0 ms

Fade Out 0 ms

0:00 – 0:00

Upload Audio → pick your MP3/WAV/OGG. You’ll see “File loaded!”.
Preset → choose a style and click Apply Preset to set the sliders.
Sliders → Bass/Mids/Treble are EQ gains (dB). “Stereo Width” is a simple output gain (0–200%).
Loudness Target → normalizes towards the dBFS target before limiting.
Limiter Ceiling → peak cap; lower = safer against clipping.
Fades → set fade‑in/out times (ms) for playback & export.
Play → hear the mastered chain. Use Switch to A/B against original.
Stop → stops playback. Press to resume from where you left off.
Download WAV → exports the mastered as .wav.