Your Mix. Studio Quality.
In Seconds.
Upload any WAV, MP3, or FLAC. Our mastering engine applies professional multi-band compression, mid/side stereo widening, analog saturation, and True Peak limiting — 100% client-side in your browser with zero server uploads.
Drop your unmastered track here
Supports WAV · MP3 · FLAC · AIFF · M4A | Max 100 MB · 15 min
Preparing engine…
Analyzing Audio Profile…
Song Analysis Report & Recommendations
Analyzing audio properties to formulate recommendation...
AI Spectral Profile vs. Reference Target
Your Track is Analyzed & Ready
We have analyzed your song's dynamic range, frequency balance, and stereo width. View the profile report and customize options below, then click to master.
Stereo Soundstage
Balanced StereoTone Balance Board
Perfect Balance1. Real-Time Monitor
Volume-compensated A/B compare
2. Master Rack & Dynamics
⚡ WASM Audio Core3. Compliance & Export
Export format: 24-bit / 48 kHz Stereo PCM WAV
Waveform Repair Zoom
Zoomed close-up view of the reconstructed peak. The cyan line shows the spline restoring the flat-topped distortion (white dotted line).
Authentication Required
Log in or create an account to access SyncPilot audio mastering studio tools.