Maximum depth. Auto-pan + multi-reverb + harmonic spacers.
1D β Linear Mono Controls
Direct pitch conversion. Clean mono processing with maximum quality preservation.
Select a dimension then upload your audio
πΈ
AI VOCAL REMOVER
π΅
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π€ AI ENGINESPECTRAL Β· STFT Β· CENTER-MASK32-BIT FLOAT
πΈ AI Vocal Remover Β· Instrumental Maker PRO
Frequency-domain AI separation strips the lead vocal and keeps a clean instrumental. Center-panned vocals are masked in the spectral domain while bass & drums are protected. For a song that still has vocal bleed, push Vocal Removal Strength β Max (Karaoke) to fully cancel the center vocal. Stereo tracks only.
π§ AI STUDIO Β· NEURAL SEPARATION PRIMARY
Real neural network (MDX-Net) β the cleanest, near-studio vocal removal. Best on desktop Chrome/Edge (WebGPU); first run downloads ~64 MB (cached), about 1–4 min per song. Automatically falls back to Fast mode if WebGPU isn't available.
β or β‘ fast offline mode (instant, tune below) β
π€ LEAD VOCAL Β· removedπΈ INSTRUMENTAL Β· kept
High Quality β 4096-band spectral mask. Recommended for most songs.
Upload a stereo track, then tap βRemove Vocalsβ.
π Exports as 32-bit float WAV β true lossless studio quality, no re-compression.
π€
AI VOCAL ISOLATOR
π΅
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π€ AI ENGINESPECTRAL Β· STFT Β· CENTER-KEEP32-BIT FLOAT
π€ AI Vocal Isolator Β· Acapella Maker PRO
Keeps the center-panned lead vocal and removes the stereo instrumental using spectral center-channel extraction, with a low-cut to strip bass rumble. Works best on stereo tracks.
π§ AI STUDIO Β· NEURAL SEPARATION PRIMARY
Real neural network (MDX-Net) isolates the vocal far more cleanly than DSP. Best on desktop Chrome/Edge (WebGPU); first run downloads ~64 MB (cached), about 1–4 min per song. Falls back to Fast mode automatically.
β or β‘ fast offline mode (instant, tune below) β
π€ LEAD VOCAL Β· keptπΈ INSTRUMENTAL Β· removed
High Quality β 4096-band spectral mask. Recommended for most songs.
Upload a stereo track, then tap βExtract Vocalsβ.
π Exports as 32-bit float WAV. Tip: run the Instrumental tool on the same song to split it into both stems.
ποΈ
EQUALIZER
π΅
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ποΈ
10-Band Graphic Equalizer HQ
Sculpt your sound across 10 frequency bands. Pick a preset or dial it in β rendered offline for clean, click-free results.
Presets
Upload a file to equalize
βοΈ
AUDIO EDITOR
π΅
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βοΈ
Audio Editor TOOLKIT
Trim a section, fade in/out, boost gain, reverse, normalize, and reshape the stereo image β then export lossless.
βοΈ Trim & Fade
ποΈ Sound & Stereo
Channel Mode
Upload a file to edit
π
SLOWED + REVERB
π΅
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π
Slowed + Reverb Converter HQ
Creates the dreamy, melancholic "slowed + reverb" aesthetic. Pitch-preserving slowdown with custom reverb tails.
Slowed Presets
0.80xDreamyClassic slowed + reverb
0.75xUltra SlowHeavy dreamy feel
0.85xSmoothSubtle slowdown
0.70xDeep SpaceMaximum reverb space
0.90xLo-Fi ChillLo-fi texture
0.60xAbyssExtreme slow β cinematic
π‘ Quality note: Playback-rate slowdown is used for maximum quality. Pitch stays proportional to speed.
Upload audio to create slowed + reverb version
β‘
SPEED UP
π΅
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β‘
Speed Up Converter HQ
Create Nightcore and sped-up versions. Pitch shifts naturally with speed.
Speed Presets
1.15xSlightly FastSubtle energy boost
1.25xEnergizedParty / workout
1.35xNightcoreClassic nightcore style
1.50xSuper NightcoreFast & high pitched
1.75xHyperspeedVery fast version
2.00xDouble Speed2x playback
Upload audio to create sped-up version
π§
BINAURAL BEATS
π΅
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π§
Binaural Beat Generator Pro
Different frequency in each ear β brain perceives the difference as a "beat." Stereo headphones required.
Each note corresponds to a chakra. Physically modeled resonance with exponential decay and harmonic overtones.
Bowl Notes
256 HzC β Root π΄Grounding Β· Safety
288 HzD β Sacral π Creativity Β· Pleasure
320 HzE β Solar π‘Power Β· Will
341 HzF β Heart πLove Β· Compassion
384 HzG β Throat π΅Truth Β· Expression
427 HzA β Third Eye π£Intuition Β· Vision
480 HzB β Crown πDivine Β· Transcendence
Crystal bowl ready
ποΈ
GENERATOR
π΅
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ποΈ
4-Oscillator Pure Frequency Generator
Build complex tones from scratch. No upload needed. Mix up to 4 oscillators with independent frequency, detune, pan, and waveform.
Master Output
Generator ready β no audio upload needed
βοΈ
SETTINGS
π΅
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π Audio Engine
WAV Export Bit Depth
32-bit float = studio lossless (largest files). 24-bit = high-res PCM. 16-bit = smallest, CD quality.
π Processing History
β¨οΈ Keyboard Shortcuts
Space Play / Pause
L Toggle Loop
M Mute / Unmute
Esc Stop & Close
β Seek -5s
β Seek +5s
ββ Volume
Ctrl+S Download Last
βΉοΈ About FrequencyWorld
VERSION
3.0.0
ENGINE
Web Audio API Β· 32-bit Float
PRIVACY
100% Client-Side Β· No Upload
π
RESEARCH BLOG
π
FrequencyWorld Research Blog
Deeply researched articles on sound healing, frequency science, and the neuroscience of music β honest looks at what the evidence says.
π€ AI VOCAL SEPARATION
Warming up the AI engineβ¦
LEAD VOCALextractingβ¦
INSTRUMENTALkeeping β
0%
Loading audio into AI engine
Analyzing frequency spectrum (STFT)
Detecting & isolating center-panned vocals
Masking vocal Β· protecting bass & drums
Reconstructing instrumental (overlap-add)
CONVERTING
Processing audioβ¦
π§
Use headphones for the best experience β Binaural beats, 8D audio, and spatial effects require stereo headphones.
Β· Binaural beats will not work through speakers Β· Volume at 50β70% recommended