The Online Tuner is a web-based tool that helps musicians tune their instruments by detecting audio input and displaying real-time pitch accuracy. It listens to sounds from your microphone, determines the nearest musical note, and shows whether the pitch is flat, sharp, or in tune. This tool is perfect for guitarists, violinists, pianists, and all instrumentalists.

Key Features:

🎵 Real-Time Pitch Detection – Uses the microphone to detect and analyze sound frequencies.
🎼 Visual Tuning Guide – Displays the nearest note and whether it is too high or too low.
🎚 Live Frequency Display – Shows the detected Hz value of the note.
🎤 Microphone Input – Works with your device’s built-in or external mic.
🔄 Simple & Fast – No downloads needed, just open and tune.

User Guide: How to Use the Online Tuner

Step 1: Grant Microphone Access

• When prompted, allow microphone access so the tuner can listen to your instrument.

Step 2: Play a Note on Your Instrument

• The tuner will detect the nearest musical note (A, B, C, etc.).
• The display will show if the pitch is too low (flat) or too high (sharp).

Step 3: Adjust Your Instrument

• If the note is flat (🔵 Left side), tighten the string or increase the pitch.
• If the note is sharp (🔴 Right side), loosen the string or decrease the pitch.
• The note is perfectly in tune when it is centered (✅ Green).

Step 4: Tune All Strings/Notes

• Repeat the process for all notes/strings until everything is in tune.