Audio Frequency & Tone Generator

Professional-grade tone generation with real-time visualization, ADSR envelope control, and WAV export. Free, simple, and open.

440 Hz

440Hz

🎛 Controls

Frequency 440 Hz

1 Hz 1 kHz 20 kHz

Volume 50%

Balance Center

Left Center Right

〰 Waveform & Noise

Standard Waves

Color Noise

📐 Envelope (ADSR)

Attack 0.05s

Decay 0.10s

Sustain 0.80

Release 0.15s

💾 Export & Share

Export Duration:

⚡ Quick Presets

💾 Custom Presets

No custom presets saved yet.

🎵 Piano Keyboard

🎧

Binaural Beats Studio

Independent left & right ear frequency control for brainwave entrainment

Hz Beat

Alpha (8–13 Hz)

🔊 Left Ear 200 Hz

20 Hz 500 Hz 1500 Hz

Exact Hz:

🔊 Right Ear 210 Hz

20 Hz 500 Hz 1500 Hz

Exact Hz:

🧠 Brainwave Entrainment Presets

Select a target state to tune left and right ear frequencies. Binaural beats stimulate specific brainwave frequencies to enhance your focus, relaxation, or sleep.

🌌 Delta State 2.0 Hz

Deep Sleep & Physical Recovery

🧘 Theta State 6.0 Hz

Deep Meditation & Creativity

✨ Alpha State 10.0 Hz

Relaxation & Calm Focus

🧠 Beta State 20.0 Hz

Active Focus & Problem Solving

🔥 Gamma State 40.0 Hz

Peak Cognition & Recall

💚 Healing Beat 6.0 Hz

Emotional Balance

🎛 Controls & Export

Volume 50%

Sleep Timer

Export Binaural Audio (WAV)

Duration:

🎧 Use headphones for best results

ℹ️ About AudioForge

AudioForge is a free, professional-grade online tone generator built with the Web Audio API. Generate precise audio frequencies from 20 Hz to 20 kHz with four waveform types, real-time oscilloscope and spectrum visualization, ADSR envelope shaping, and high-quality WAV export.

Common uses: Speaker & subwoofer testing, instrument tuning, hearing tests, tinnitus frequency matching, audio equipment calibration, science experiments, acoustic research, sound therapy, and binaural beat creation.

Keyboard shortcuts: Press ? to view all shortcuts. Use Space to play/stop, arrow keys to adjust frequency & volume, [ ] for octave jumps, and 1-4 to switch waveforms.

⚠️

Safety Notice: Always start with low volume. Prolonged exposure to extreme frequencies at high volumes can damage your hearing and speakers. Keep volume comfortable at 1 kHz before exploring other frequencies.

Audio Frequency & Tone Generator

Binaural Beats Studio

⌨️ Keyboard Shortcuts