Tuning a guitar without buying a tuner or clipping anything on
You pick up your guitar, one string sounds off, and the clip-on tuner is nowhere to be found. Boombox Guitar Tuner is an online tuner from 123 Guitar Tuners that puts a retro boombox on your screen. You play a note and it shows you what you played.

Quick facts
- Product: Boombox Guitar Tuner by Guitar Tuners (123 Guitar Tuners)
- Type: online guitar tuner that listens through your microphone
- Price: free to use online
- Needs: Adobe Flash Player, as shown on the vendor's page
Key features
A tuner on the left speaker, your note on the right
The left speaker is the tuner itself. The right speaker displays the note you are playing, so you can see which string you're on while you adjust it.
Tune with just your microphone
The vendor's tuners work by listening through your microphone. You play a note and the tuner responds, with no cable or hardware.
Embed it or share it
The vendor lets you embed the tuner on your own site by pasting an embed tag. You can also share it on Facebook.
Who it's for
It suits you if you want a quick, free tuning check at your computer and like a playful look. It also works for a teacher who wants to put a tuner on a lesson page.
Pros and cons
- Pro: free, with nothing to buy.
- Pro: the display is simple and fun.
- Pro: it can be embedded on other sites.
- Con: it is built on Flash, so you need a working Flash Player.
- Con: it needs a microphone and a computer, so it's no use in a noisy room or without a mic.
FAQs
Does it cost anything?
No. The vendor presents it as free to use online.
Do I need a microphone?
Yes. The vendor's online tuners use your microphone to hear the note.
Which note does it show?
The right speaker displays the note you are playing.
Can I put it on my own website?
Yes. The vendor offers an embed tag you can paste into your page's code.