Frequency & Pitch Detection
Real-time Hz detection, pitch analysis, harmonic identification, and frequency measurement tools for musicians, engineers, and researchers.
Available Tools
Real-Time Frequency Detector
Detect sound frequency in real time with circular gauge, multi-frequency peaks, pitch accuracy meter, spectrum analyzer, waveform display, and CSV export.
Launch tool →Pitch Detector
Identify musical pitch in real time with interactive 5-octave piano, vocal range tracker, voice type classifier, target note mode, pitch stability score, and CSV export.
Launch tool →Fundamental Frequency Finder
Detect F0 with dual-algorithm analysis (HPS + Cepstrum), spectrogram, THD calculator, instrument timbre ID, audio file upload, and interactive harmonic mute/solo.
Launch tool →Dominant Frequency Finder
Find the single strongest frequency in any sound with octave band analyzer, energy percentage, hum/noise ID (50/60 Hz), room resonance finder, and tinnitus frequency matcher.
Launch tool →Harmonic Overtone Detector
Visualize all harmonics (H1-H16) with amplitude bars, odd/even highlighting, instrument timbre matching, individual harmonic playback, and harmonic decay curve analysis.
Launch tool →Peak Frequency Detector
Instantly find the loudest frequency with a giant Hz display, top-5 ranked peaks table, live peak hold, A-weighting toggle, frequency band labels, and quick noise diagnosis.
Launch tool →Frequency Range Analyzer
Measure the full frequency span of any sound source with min/max Hz, bandwidth calculation, instrument range overlay, sub-bass/bass/mid/treble energy breakdown, and record-and-compare mode.
Launch tool →Multi-Tone Frequency Detector
Detect all simultaneous frequencies in complex audio with DTMF decoder mode, chord detection, individual tone volume levels, musical interval display, and spectrogram visualization.
Launch tool →Sub-Bass Frequency Detector
Specialized detector for 1-100 Hz with large FFT resolution, vibration feeling threshold indicator, common source identifier (HVAC, traffic, diesel), health advisory, and rumble event logging.
Launch tool →Ultrasonic Frequency Detector
Detect frequencies above 15 kHz with source identifier (CRT, pest deterrent), microphone capability checker, hearing limit finder, age-based comparison, and ultrasonic alert mode.
Launch tool →Infrasound Frequency Detector
Monitor sub-20 Hz infrasound from weather, earthquakes, and machinery with source database (Schumann resonance, seismic), long-duration recording, and device compatibility warnings.
Launch tool →Noise Frequency Analyzer
Identify noise by its frequency fingerprint with a 30+ noise signature database (HVAC, hum, fan, traffic), baseline capture, before/after comparison, and troubleshooting advisor.
Launch tool →Frequency Sweep Detector
Detect and characterize sweeping frequencies with direction detection (up/down), sweep rate calculator, duration measurement, linear vs log identification, and spectrogram highlighting.
Launch tool →Frequency Drift Monitor
Track frequency stability over time with long-term Hz chart, drift rate calculation (Hz/minute), target frequency lock, alert thresholds, statistical summary, and CSV export with timestamps.
Launch tool →Vocal Pitch Checker
Check your singing accuracy with simple pass/fail display, pitch accuracy percentage, visual pitch trail, song key mode, voice range summary, and shareable results card for social media.
Launch tool →Instrument Frequency Detector
Identify instruments by sound with timbre fingerprint matching, confidence scoring, frequency range display, multi-instrument detection, tuning checker, and reference frequency database.
Launch tool →Frequency Stability Analyzer
Assess signal stability with jitter measurement, Allan deviation plot, phase noise estimation, stability grade (Excellent/Good/Poor), PPM display, and frequency histogram distribution.
Launch tool →Frequency Comparison Tool
Compare two audio sources side by side with dual-input mode, difference spectrum, match percentage, before/after recording, overlay visualization, and frequency delta table.
Launch tool →Frequency Error Calculator
Calculate measurement uncertainty from FFT parameters with frequency resolution output, Nyquist calculator, bin width display, recommended FFT size advisor, and lab-report-ready formatting.
Launch tool →Frequency Clipping Detector
Detect audio clipping and distortion in real time with clip count and timestamps, severity meter, headroom display, waveform with red-highlighted clips, and gain reduction recommendations.
Launch tool →Beat Detection Tool
Find the BPM of any music with real-time tempo display, beat pulse visualizer, tap tempo fallback, audio file upload, beat grid overlay, time signature detection, and DJ-friendly large display.
Launch tool →AI Note Detection Tool
Automatically detect musical notes with real-time note stream on a virtual staff, polyphonic chord detection, piano roll visualization, MIDI output, and audio file transcription support.
Launch tool →Audio Fingerprint Tool
Generate and compare spectral audio fingerprints with constellation map visualization, audio hash generation, similarity scoring, clip comparison mode, and educational algorithm breakdown.
Launch tool →