TuneUniversal
Online Harp tuner
Tune Harp online with your microphone. Reference notes: Do - Re - Mi - Fa - Sol - La - Si.
Reference tone
Do4 / 261.63 Hz
All-string check
Strum all open strings once to see which strings are out of tune.
Detected note
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Harp Standard Strings: Do - Re - Mi - Fa - Sol - La - Si
+/-5 cents = In tune
Move the instrument closer to the microphone.
Play one open string and let it ring.
Use Manual mode in noisy rooms.
How it works
- Select Harp in the tuner.
- Allow microphone access.
- Play one string or note at a time.
- Tune until the indicator is centered.
Explore the next step
Use these links to move between the tool, practical guides and the matching tuning hub.
Related guides
Related searches
Internal pages that naturally match the next step after this tool.
Related questions
Short follow-up questions to keep practice moving.
What is the most useful next step?
After this tool, the most useful next step is usually a related practical guide or a tuning page.
All guidesWhich other tool should you open alongside this one?
If you are practicing a song, pairing this with the metronome or Tap BPM usually makes practice more effective.
Online metronomeFAQ
Does the Harp tuner work on mobile?
Yes. Open TuneUniversal in your browser and allow microphone access.
Which reference notes are included?
This tuner page uses these reference notes: Do - Re - Mi - Fa - Sol - La - Si.