Browser extension that transforms YouTube, Spotify Web and Apple Music into immersive 8D spatial sound
Free 3D room acoustics solver and acoustic treatment calculator
Stage
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Founded
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Based in
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HU
Pricing model
Freemium
Free
Pricing
Free: Full 8D experience with 8D rotation, Auto DJ, 8 presets, bass/clarity/reverb controls, floating panel with visualizer, 30-second shareable video samples, and 60-second previews of every Pro mode. Pro: $4.99 one-time payment unlocks multi-band surround, HRTF 3D, binaural beats, full-length expo
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Key features
8D rotation engine with circular, sine, triangle and bounce patterns
Beat-aware Auto DJ transitions carrying 4-8 beats between tracks
Multi-band surround with frequency-dependent positioning
HRTF 3D positioning with Orbit, Figure-8 and Drift paths
Binaural beats at 15 Hz, 10 Hz, 6 Hz and 3 Hz frequencies
Real-time audio visualizer with 120x120 canvas
30-second shareable video exports with visualizer
Full-length exports up to 10 minutes as MP4, WAV or M4A
Interaural time delay and head shadow filtering
3D room builder supporting odd-shaped rooms, sloped ceilings, and attic layouts
Real physics-based acoustic treatment recommendation
Material absorption modeling with coefficients from frontier research
Real product database with 175 products across 37 brands
Before-and-after frequency response and decay time visualization
Studio mode for production work alongside listening room workflow
Rapid analysis completing in 2-10 seconds for position searches and up to a minute for panel placement
Guest access without account signup for full analysis
Room design persistence with optional account creation
What makes it different
Processes all audio entirely in browser with zero data sent anywhere, ever
Works directly on YouTube, Spotify Web and Apple Music without disrupting playback
Bio-accurate interaural delay of 0.7ms with HRTF 3D positioning
Instant license key delivery via email with immediate activation
Uses real room physics and first principles acoustics rather than generic rules
Optimizes for both speaker placement and listening position simultaneously
No account or sign-up required to design and analyze full systems
Handles complex room geometries including sloped ceilings and L-shaped layouts
Integrates real speaker and equipment products with audio system design
8Dfy
roomtreatment.diy