Instruments Tools
Play and tune real instruments directly in your browser with free online tools. The Guitar Tuner uses your microphone to detect pitch via autocorrelation and displays cents deviation on a visual tuning meter — supporting standard, drop D, DADGAD, open G, and open D tunings. The Virtual Piano renders a playable 2-3 octave keyboard you can play with your computer keyboard or mouse, with Web Audio API synthesis and ADSR envelopes for realistic tone. The Drum Machine offers a 16-step sequencer with 8 synthesized drum sounds, swing control, and preset patterns for rock, hip-hop, bossa nova, and disco. All instrument tools run entirely client-side using the Web Audio API — no plugins, no downloads, and no audio data leaves your device.
4 tools available
What You'll Find
This collection includes Ukulele Tuner for free online ukulele tuner with microphone pitch detection — supports standard, low-g, baritone, and 5 other tunings, Guitar Tuner for free chromatic guitar tuner using your microphone — detects pitch in real time with visual tuning meter, Virtual Piano for play piano in your browser using your computer keyboard — 2-3 octaves with realistic sound and sustain control, Drum Machine for create drum patterns with a 16-step sequencer — kick, snare, hi-hat, clap, and more with web audio synthesis. Each tool is designed to save you time and deliver professional results right from your browser.
When to Use Each Tool
Common Workflows
These instruments tools work well together. Start with Ukulele Tuner to free online ukulele tuner with microphone pitch detection — supports standard, low-g, baritone, and 5 other tunings, then use Guitar Tuner to free chromatic guitar tuner using your microphone — detects pitch in real time with visual tuning meter. Combine with Virtual Piano to round out your workflow and cover all your instruments needs.
Ukulele Tuner
Free online ukulele tuner with microphone pitch detection — supports standard, Low-G, baritone, and 5 other tunings.
Guitar Tuner
Free chromatic guitar tuner using your microphone — detects pitch in real time with visual tuning meter.
Virtual Piano
Play piano in your browser using your computer keyboard — 2-3 octaves with realistic sound and sustain control.
Drum Machine
Create drum patterns with a 16-step sequencer — kick, snare, hi-hat, clap, and more with Web Audio synthesis.
Frequently Asked Questions
Do these instruments work without a microphone?
The Virtual Piano and Drum Machine work without a microphone — they generate sound using the Web Audio API. Only the Guitar Tuner requires microphone access to detect pitch from your instrument.
Can I use these tools on mobile?
Yes, all instrument tools work on mobile browsers with Web Audio API support. The Virtual Piano and Drum Machine support touch input. The Guitar Tuner requires microphone permission on your mobile device.
How accurate is the guitar tuner?
The Guitar Tuner uses autocorrelation pitch detection, which is accurate within ±1-2 cents for monophonic instruments in a reasonably quiet environment. It works best with single notes rather than chords.
Related Resources
Explore more tools in the Music section, or browse all categories below.