Bandcamp
bandcamp.com
Stream independent music in full, and buy it as lossless files if you want it
No sign-up
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musicca.com
A chromatic tuner that listens through your microphone and shows cents off.
Grant microphone access, play a note, and it names the pitch and shows how many cents sharp or flat you are, with preset tunings for guitar, bass, ukulele, banjo, mandolin, violin, viola, cello and double bass. Being chromatic, it works for anything that makes a pitch, including voice. It sits inside a larger free music-learning site with a metronome, chord charts and theory exercises alongside it.
AltFTool does this too
If you would rather not leave the site, Chromatic Instrument Tuner covers the same job here — free, no account, and it runs in your browser.
Open Chromatic Instrument TunerQuestions
Works the moment the page loads. No account, no email, no trial. It needs a quiet room and a decent microphone — background noise and very low notes confuse the pitch detection.
No. Musicca Online Tuner does the work inside your browser, so the file never leaves your device — you can load the page, disconnect from the network, and it still works. That makes it a reasonable choice for material containing personal data.
It needs a quiet room and a decent microphone — background noise and very low notes confuse the pitch detection.
Alternatives
Same category or same task, ordered by how closely they overlap.
bandcamp.com
Stream independent music in full, and buy it as lossless files if you want it
musiclab.chromeexperiments.com
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imslp.org
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metronomeonline.com
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music-map.com
Type one band and get a cloud of the artists people who like them also like
mynoise.net
Builds a background soundscape from sliders you set band by band