Professional online audio mastering in under one second. Zero cloud uploads, zero latency, 100% privacy—powered by next-generation client-side WebAssembly.
SOUNDUP_WORKSPACE (PREVIEW)
↑
Drag & Drop WAV/MP3
Ready for 24-bit PCM processing
LOUDNESS-14.2 LUFS
TRUE PEAK CEILING-1.0 dBFS
Core Features
The Future of Sound Engineering.
⚡
WebAssembly Engine
By compiling DSP algorithms directly to Wasm binaries, audio processing executes inside your browser at near-native speeds, eliminating the need to wait for cloud renders.
🛡️
100% Client Privacy
Your tracks are never uploaded to a corporate server. Your unreleased files stay entirely inside your browser sandbox, keeping your intellectual property completely safe.
🎛️
Pro Precision Knobs
Unlock fine-tuned shelf filters, dynamic stereo matrixing (mono check up to 150%), and early-engagement soft-knee compression curves to target modern streaming standards.
Subscription Plans
Simple, Transparent Pricing.
Free Tier
$0
Test the DSP output and preview the audio characteristics in real-time.
✓ 60-Second Mastered Previews
✓ WAV or MP3 Upload support
✓ Real-time Waveform Drawing
✗ Pro Custom Parameter Sliders
✗ Unlimited Length Exports
POPULAR
Basic Master
$9.99/mo
For artists and creators who need clean, auto-mastered tracks ready for distribution.
✓ 50 Full-Length Masters / Month
✓ Automatic Loudness Alignment (-14 LUFS)
✓ Safe True Peak Limiting (-1.0 dBFS)
✓ 24-bit WAV & 320kbps MP3 downloads
✗ Pro Sliders or custom curves
Pro Engineer
$24.99/mo
For producers, sound engineers, and studios wanting absolute control over the final sound.