🚀 Welcome to BlackRatio Studio — Free browser-based music tools, audio-to-MIDI converters, and notation studio!
BlackRatio Studio
AUDIO UTILITIESFree Browser DSPRead Complete Tutorial

Live Microphone Guitar Tuner

Tune your acoustic or electric guitar directly through your browser. Pluck any string and the tuner automatically identifies the note and displays your cents offset.

Target String
E2
Microphone Ready
Offset: 0 cents
Interactive Piano Roll (0 Notes)Click • Drag • Resize • Play
0 notes | BPM: 120
Click empty space to add notes • Drag to move • Drag right edge to resize • Press keys to auditionSelection: None
Guitar Tablature & Fretboard Position Solver
Guitar Tuning:
Capo:
Interactive Guitar Fretboard:
e
B
G
D
A
E
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Standard ASCII Tablature:
e|--------------------------------|
B|--------------------------------|
G|--------------------------------|
D|--------------------------------|
A|--------------------------------|
E|--------------------------------|
Ready to export your processed arrangement:

How to Use Online Guitar Tuner

  1. Click "Enable Microphone" and grant browser microphone permission.
  2. Pluck any guitar string clearly.
  3. Watch the gauge needle: tune higher if flat (left), or tune lower if sharp (right).
  4. When the needle turns green at 0 cents, your string is in tune.

Key Capabilities

  • Live YIN pitch tracker running on audio input stream
  • Target string lock for E2 (40), A2 (45), D3 (50), G3 (55), B3 (59), E4 (64)
  • Sub-cent pitch deviation readout

Technical Specifications & Acoustic Limitations

Processing executes in-browser using local memory and the Web Audio API without uploading your files. Audio synthesis and real-time auditioning depend on active browser audio permissions.

Frequently Asked Questions

Is my microphone audio sent to a server?↓

Never. All microphone pitch detection runs 100% locally in your browser memory.

Input & Output Formats

Supported Inputs:
Microphone Audio Stream
Supported Outputs:
Real-Time Tuner Gauge & Cents Deviation
DAW Compatibility: Ableton, FL Studio, Logic Pro, Cubase, MuseScore, Sibelius.