Audio & Sound Tools

Tap tempo counter and audible visual metronome. Calculate beats per minute (BPM), tap rhythm, set time signatures (4/4, 3/4, 6/8), and sound clicks.

Generate pure audio tones and frequencies from 20Hz to 20,000Hz. Select sine, square, triangle, or sawtooth waves with binaural stereo panning.

Record crystal-clear voice notes and microphone audio directly in your browser. Pause, preview, waveform visualize, and download WAV audio instantly.

Therapeutic noise generator for sleep, deep study focus, and tinnitus masking. Seamlessly mix white noise, warm pink noise, and deep brown acoustic noise.

High-precision chromatic tuner using your microphone. Detect fundamental pitch frequencies with live cent deviation needle for guitar, bass, and ukulele.

Slow down or speed up audio tracks from 0.25x to 3.0x. Maintain musical pitch or independently shift semitones for transcription and music practice.

Reverse uploaded audio files instantly in your browser. Listen to songs backwards, discover hidden reversed speech, and create eerie reverse sound FX.

Translate written English text into international Morse code audio beeps. Adjust WPM transmission speed, audio sidetone pitch (Hz), and download WAV audio.

Visualizer rendering real-time oscilloscope waveforms and 32-band FFT frequency spectrum bars from microphone input or uploaded MP3 audio tracks.

Transform uploaded stereo songs into immersive 8D spatial audio. Experience continuous circular 360-degree panning around your head with binaural headphone audio.

Check your hearing age and ear health with high and low frequency sweeps. Detect your upper hearing limit threshold from 8kHz to 20kHz with volume safety calibration.

Generate scientifically calibrated binaural beat brainwaves. Choose Alpha (focus), Beta (cognition), Theta (meditation), Delta (sleep), and Gamma (clarity).

Test subwoofer response, bass extension, port rattles, and room standing waves with clean 20Hz to 120Hz low frequency sweeps and pure test tones.

Measure ambient acoustic noise levels using your device microphone. Real-time dB SPL readout, peak volume capture, and OSHA noise risk evaluation.

Increase audio track loudness and amplify quiet recordings. Boost gain up to 300% with built-in peak limiter to prevent distortion and clipping.

Generate perfectly silent WAV audio files of any custom duration (milliseconds to hours) with customizable sample rate (44.1kHz, 48kHz, 96kHz) and channels.

Verify headphone and studio monitor stereo wiring. Test individual Left and Right channels, center phantom image, and in-phase vs out-of-phase audio polarity.

Synthesize classic 8-bit chiptune sound effects in your browser. Generate retro arcade coin pickups, laser blasters, jumps, explosions, and power-up beeps.

Play a full chromatic musical piano keyboard using your computer keys or touch screen. Polyphonic synth voices, sustain pedal, octave transpose, and recording.

Program electronic rhythm grooves on a modern 16-step grid drum sequencer. Includes synthesized kick drum, snare, closed hi-hat, open hat, clap, and swing.

Sculpt uploaded audio tracks with precision High-Pass, Low-Pass, Band-Pass, and Notch EQ filters. Adjust cutoff frequency (Hz) and resonance Q factor.

Add stereo echo and analog slapback delay to uploaded songs. Control delay time (ms), feedback level, and dry/wet blend with real-time audio playback.

Simulate natural room ambience, warm studio plates, and cavernous cathedral reverberation on any audio file using algorithmic impulse synthesis.

Saturate your tracks with warm analog tube drive, aggressive guitar distortion, and gritty fuzz effects using custom mathematical waveshaping curves.

Apply rhythmic volume tremolo pulses and warm vintage pitch vibrato flutter to audio tracks. Customize LFO rate (Hz), modulation depth, and waveform shape.

Convert any audio frequency in Hertz (Hz) to its exact musical note name (e.g., 440 Hz = A4), octave, MIDI note number, and pitch deviation in cents.

Hear and visualize musical scales and chords in every key. Listen to Major, Minor, Pentatonic, Dorian, Harmonic Minor, and Blues scales with chord playback.

Transform dry audio into rich, shimmering stereo sounds with vintage Chorus, sweeping Phaser, and iconic 70s jet-plane Flanger comb filter effects.

Synthesize spoken speech from written text in real time using native Web Speech API. Adjust voice language, speech rate speed, and voice pitch freely.

Clean up microphone recordings by cutting audio signals below an adjustable decibel threshold floor. Silence background fan hum, room echo, and typing noise.

Add gritty retro lo-fi textures to audio tracks. Downsample resolution from 16-bit to 4-bit, introduce sample rate crushing, and blend subtle vinyl record crackle.

Cut and trim uploaded audio files with interactive visual waveform markers. Select start and end points, preview the cut segment, and export audio cleanly.

Inspect internal audio container properties without uploading. Reveal exact duration, sample rate (Hz), channel count, audio codec, and file size metrics.

Load two independent audio tracks and mix between Deck A and Deck B with a smooth DJ crossfader curve, individual gain sliders, and tempo synchronization preview.

Play pure Solfeggio acoustic frequencies. Includes 174Hz (pain relief), 396Hz (liberating guilt), 528Hz (transformation/DNA repair), 852Hz, and 432Hz tuning.

Generate high-frequency inaudible and near-ultrasonic sound waves from 15,000Hz to 22,000Hz. Useful for speaker tweeter testing, dog whistle simulation, and mosquito repelling tests.

Control audio dynamics and prevent digital distortion. Adjust Threshold, Ratio, Attack, Release, and Knee parameters to smooth volume peaks and increase perceived punch.

Simulate modern vocal pitch correction and iconic robotic autotune quantization. Snap microphone input or uploaded vocal takes to Major, Minor, and Pentatonic scales.

Transform flat, narrow mono recordings into rich, expansive stereo soundscapes using the psychoacoustic Haas effect and micro-delay channel phase separation.

Create customizable calming rainstorms for sleep and deep concentration. Mix gentle drizzle, heavy window rain, and rolling distant thunder with volume sliders.

Relax to soothing sounds of an outdoor wood fire. Synthesize snapping pine embers, gentle wind breeze, and rhythmic log crackling for focus and comfort.

Experience calming ocean waves gently washing ashore. Modulate wave frequency, tide intensity, and rolling undertow for soothing sleep and meditation.

Block out annoying open office conversations and distracting sounds with deep low-frequency airplane cabin hum and rhythmic box fan drone noise.

Hypnotic analog clock ticking sound with adjustable tempo (BPM). Perfect for meditation, studying focus, timing exercises, and rhythmic background ambience.

Play uploaded audio tracks on infinite seamless repeat with zero playback gap or clicks. Adjust crossfade curve at loop boundary for smooth ambient repetitions.

Test your musical ear with interactive audio quizzes. Train your recognition of Unison, Minor/Major Thirds, Perfect Fifths, and Octaves with score tracking.

View real-time audio frequencies as a scrolling 2D color spectrogram waterfall. Analyze speech acoustics, overtone harmonics, and ambient noise signatures.

Invert center channel phase to attenuate centered lead vocals and create karaoke backing tracks, or test out-of-phase audio components in stereo mixes.

Transform microphone voice or uploaded audio into realistic two-way police radio, pilot cockpit intercom, or walkie-talkie transmission with squelch bursts and static hum.

Interactive 4-track audio stem mixer. Balance individual instrument stems (Drums, Bass, Harmony, Vocals) with independent volume faders, solo buttons, and mutes.