Free Online Guitar Tuner
Tune your guitar quickly and accurately with our free online tuner. Works with all guitar types and supports multiple tunings including Standard, Drop D, Open G, and more.
Loading tuner...
Why Choose Our Free Online Guitar Tuner?
100% Free & No Download
Our online guitar tuner is completely free to use. No software downloads, app installations, or registrations required. Simply open the tuner in your web browser and start tuning instantly.
Works With All Guitars
Whether you have an acoustic guitar, electric guitar, bass guitar, or even a ukulele, our tuner works perfectly. The microphone-based detection accurately identifies pitch for any stringed instrument.
30+ Tuning Options
Beyond standard EADGBE tuning, explore Drop D, Drop C, Open G, DADGAD, and many more alternate tunings. Perfect for different music genres from rock and metal to folk and blues.
Mobile & Desktop Ready
Our responsive design works seamlessly on all devices. Tune your guitar using your smartphone, tablet, or computer. The interface automatically adapts for the best experience on any screen size.
Join thousands of guitarists who trust our free online tuner for accurate, reliable tuning every day. No ads, no hidden fees, just a simple tool that works.
Quick Access to Specific Tunings
Jump directly to a preset tuner for your specific tuning. Each page has a tuner locked to that tuning for quick and easy access.
Need Something Different?
Create your own custom tuning with any number of strings and notes. Perfect for experimental tunings, extended range instruments, or unique setups.
Try Custom TunerHow to Tune Your Guitar
Follow these simple steps to get your guitar perfectly tuned using our online tuner.
1Getting Started
- Click the settings button to choose your instrument and tuning
- Press the microphone button to start listening
- Allow microphone access when prompted
2Tuning Process
- Play one string at a time clearly
- Watch the needle - center and green means in tune
- Adjust your tuning pegs as needed
3Auto-Detection
- Auto-detect automatically selects the string you're playing
- Turn it off to manually select strings
- Great for beginners and experienced players
💡Pro Tips
- Play strings clearly and let them ring out
- Needle left = tighten, needle right = loosen
- Tune in a quiet environment for best results
Install as Mobile App
Add Guitar Tuner to your phone's home screen for quick access. Works offline and feels like a native app!
📱iPhone (Safari)
- 1Open in SafariMake sure you're using Safari browser
- 2Tap the Share buttonLocated at the bottom of the screen
- 3Select "Add to Home Screen"Scroll down if you don't see it immediately
- 4Tap "Add"The app will appear on your home screen
🤖Android (Chrome)
- 1Open in ChromeMake sure you're using Chrome browser
- 2Tap the menu (⋮)Three dots in the top-right corner
- 3Select "Add to Home screen"Or look for "Install app" option
- 4Tap "Add" or "Install"The app will appear on your home screen