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UNLIMITED FREE

HIGH QUALITY MASTERING STUDIO

Version 1.0 Public Beta

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FREE
1
Audio Upload
READY
Drag & Drop or Click to Upload
All processing is done locally — files are never sent to a server
MP3WAVFLACAIFFAACOGG
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Original Waveform
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Mastering Style
WAITING
Style Preset
Mastering Intensity
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Loudness Level
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ⓘ Loudness measured using BS.1770-4 integrated loudness (gated, K-weighted). Target gain is applied after measurement.
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Fine-Tuning
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EQ / Dynamics / Space
Low Shelf (80Hz)0.0 dB
Low-Mid (400Hz)0.0 dB
Mid (2kHz)0.0 dB
High Shelf (12kHz)0.0 dB
Air (18kHz)0.0 dB
Stereo Width100%
Compressor
CompressionMedium
Off
Light
Med
Heavy
Limit
Threshold: −24 dBRatio: 4:1Attack: 5ms
Output Format
ⓘ WAV exports PCM/float with selected sample rate and bit depth.
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Master Now
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6
Processing
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Idle...0%
NORMALIZE
EQ
SATURATE
COMPRESS
STEREO
POST-EQ
LIMIT
ENCODE
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Post-EQ — Parametric Equalizer
0 / 20 bands
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Add Band
Clear All
Double-click: Add Bell · Right-click: Change type · Scroll: Q (Bell only)
FREQ 1000 Hz
GAIN 0.0 dB
Q 1.00
SLOPE 12 dB/oct
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Mastering Complete
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Mastering Complete
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Loudness Level
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Peak Ceiling
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Dynamic Range
BEFORE 0:00 / 0:00
AFTER + POST-EQ 0:00 / 0:00
Download Mastered File
Bell (Peak)
LowCut (HPF)
HighCut (LPF)
Low Shelf
High Shelf
Tilt EQ
Notch
Delete Band
KAGE Mastered — Your files are never sent to a server.
⚙️
Mastering in Progress
Applying AI processing chain...
☕
Keep KAGE Mastering Free
This tool runs entirely in your browser — no cloud, no subscription, no catch.
Every mastered track costs the developer real time and care.
One coffee keeps the lights on and new features coming.
KEY
Select Key / Scale
Choose the musical center for the hidden resonance control.
Root
Scale