8Dfy
8Dfy
A browser extension that wraps sound around your head.
What is 8Dfy?
8Dfy is a browser extension that wraps sound around your head. It takes any song, playlist, or video playing in YouTube, YouTube Music, or Apple Music and applies 8D rotation, multi-band surround, HRTF 3D positioning, or binaural beats so it feels like the audio is moving in space around you. It runs entirely in your browser — no audio data ever leaves your device.
Features
- 8D Rotation Engine — Circular, sine, triangle, and bounce orbit patterns with bio-accurate interaural time delay (0.7ms) and head-shadow filtering for realistic spatial audio.
- Auto DJ beat-matched transitions — After at least 60 seconds, Auto DJ detects a beat, carries 4–8 beats from the outgoing song into the next track, and crossfades with tempo matching for playlist changes that feel mixed.
- Multi-band Surround (Pro) — 3-band crossover keeps bass under 250 Hz planted, mids orbit with rotation, and highs above 2 kHz shimmer; free 60-second previews.
- HRTF 3D Positioning (Pro) — Uses the browser's native HRTF engine for true 3D sound with Orbit, Figure-8, and Drift motion paths.
- Binaural Beats (Pro) — Adds subtle tone layers (Focus 15 Hz, Relax 10 Hz, Meditate 6 Hz, Sleep 3 Hz) under your music, which also land in recordings.
- Export options — Free users get 30-second shareable 1080p MP4 video clips with a live audio-reactive visualizer; Pro unlocks full-length recordings up to 10 minutes per take, lossless WAV (16-bit), and compressed M4A audio.
- Audio controls — Adjustable speed, 8D movement, bass, clarity, and reverb, plus 8 presets with sub-variants (Warm, Deep, Punchy, Intimate, Grand, Cathedral) and a strength slider.
- Client-side processing — Everything runs in-browser via the Web Audio API with zero data sent anywhere, and works even in background tabs.
Use Cases
- Enhance your listening sessions: Turn any YouTube video, playlist, or Apple Music album into a spatial audio experience with rotation, surround, or 3D positioning.
- Create shareable 8D clips: Export a 30-second 1080p MP4 with a live visualizer to post on TikTok, Shorts, or send to friends; Pro extends this to full-length recordings.
- Add binaural beats to music: Overlay focus, relax, meditate, or sleep tone layers on your tracks for focused work or relaxation sessions.
- Mix playlists seamlessly: Let Auto DJ wait for a beat, overlap 4–8 beats, and crossfade between tracks so your playlist changes feel like a DJ set.
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