🎵 Pitch Detector

🎵 Pitch Detector

 

Free Online Tool

Online Pitch Detector

Upload any audio file to instantly detect its musical note, frequency, and key. Free, no signup, results in under 2 seconds.

6 Algorithms

Instant Results

MP3 · WAV Supported

Free Always

🎵

Drop your audio file here

or click to browse your computer (Max 10MB)

Select Audio File

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0.00 Hz

✓ Detect Pitch

✓ Free Forever

✓ No Signup

✓ Instant Results

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How the Pitch Detector Works

Our tool runs six pitch detection algorithms simultaneously on your audio—including YIN, autocorrelation, and HPS (Harmonic Product Spectrum). By analyzing the harmonic content of the signal, we identify the fundamental frequency and translate it into a musical note ($A_4 = 440Hz$).

This runs entirely in your browser using the Web Audio API, meaning your files are never uploaded to a server, keeping your data private and the analysis instant.

🎵 How the Pitch Detector Works

Our pitch detector is engineered for precision and reliability. Instead of depending on a single method, we combine multiple advanced algorithms to deliver highly accurate results—even when working with noisy or complex audio.

📤 Upload Your Audio File

Easily upload your audio file in seconds. The tool supports all widely used formats, including:

• WAV
• MP3
• OGG
• FLAC
• M4A

You can analyze files up to 10 MB, making it suitable for quick checks and detailed pitch analysis.

⚙️ Multi-Algorithm Analysis for Accuracy

To ensure dependable results, our system processes your audio using six powerful pitch detection algorithms simultaneously. These include:

• YIN
• pYIN (Probabilistic YIN)
• Autocorrelation
• Harmonic Product Spectrum (HPS)
• Spectral Peak Detection
• Onset Detection

Each algorithm contributes to the final result, and a weighted evaluation ensures the most accurate pitch is selected.

🎼 Get Exact Note and Frequency

Once processing is complete, you instantly receive:

• Precise musical note (e.g., A4, C#3)
• Frequency in Hertz (Hz)
• Estimated musical key

This makes it easy to analyze recordings, instruments, or vocal performances with confidence.

🎧 Professional-Grade Pitch Detection

Our tool is trusted by musicians, producers, and students who require accurate pitch information rather than rough estimations. It delivers consistent results suitable for both learning and professional workflows.

🔬 Advanced Algorithm Highlights

YIN & pYIN Technology

These are among the most respected pitch detection methods in music research.
pYIN enhances accuracy further, especially for:

• Vocal recordings
• Single-note instruments

🎹 Musical Key Estimation

For audio clips longer than 2 seconds, the tool applies an advanced chromagram-based method to determine the musical key. This is the same approach used in professional audio software.

🎸 Harmonic Product Spectrum (HPS)

HPS examines harmonic overtones to confirm the fundamental frequency, making it highly effective for:

• Guitar
• Bass
• Piano
• Rich harmonic instruments

🎧 Wide Format Compatibility

Our pitch detector works seamlessly with all major audio formats. Whether you’re analyzing a downloaded track or a recorded sample, the tool ensures smooth and accurate processing.

🎤 Instrument & Vocal Range Insights

Every detected note is displayed with contextual information, helping you understand where it fits within:

• Vocal ranges (bass, tenor, alto, soprano)
• Musical instruments (guitar, piano, bass guitar)

⚡ Fast, Free, and Browser-Based

• No downloads required
• No account or sign-up needed
• Instant results in seconds
• Completely free to use

Everything runs directly in your browser for maximum convenience.

👥 Who Uses This Pitch Detector?

🎤 Singers & Vocal Coaches

Quickly identify the exact pitch of your voice and improve accuracy during practice sessions.

🎧 Producers & DJs

Analyze samples and loops to match keys perfectly and avoid harmonic clashes in your tracks.

🎼 Music Students

Use it for ear training, note identification, and verifying musical exercises with precision.

❓ Frequently Asked Questions

How can I detect the pitch of an audio file?

Simply upload your file, and the tool will automatically analyze it and display the note and frequency.

Can it detect my singing voice?

Yes, it works effectively with vocals and provides accurate pitch detection for singing.

Does it identify the musical key of a song?

Yes, for longer audio clips, the tool estimates the musical key using advanced analysis methods.

Which audio formats are supported?

It supports MP3, WAV, OGG, FLAC, M4A, and other common formats.

What is the difference between pitch and tone?

Pitch refers to the frequency of a sound, while tone describes the quality or character of that sound.

Why use multiple algorithms instead of one?

Using multiple algorithms ensures higher accuracy by cross-verifying results, especially in complex or noisy audio conditions.