HowToWhistle
Learn to whistle in tune, with real-time pitch feedback
HowToWhistle launched on August 20, 2026 with 2 votes, #5,788 of 23,274 launches that month.
What it does
Practise whistling in your browser for free. Play along with a tune, watch your pitch in real time, and see exactly which notes you missed. Every song is free, plus a whistling range test, a daily challenge and leaderboards. No download, no account.
A free browser tool for practising your whistling. Play along with a tune, watch your pitch as you go, and see exactly which notes you missed when you finish. Every song is free — no download, no account. Start with Twinkle, Twinkle or Mary Had a Little Lamb — few notes, small steps, easiest to get right. Coloured bars slide in from the right — those are the notes. The white line is what you are producing. Keep the line on the bars. You get a score for pitch, timing and coverage, plus a full pitch trace showing exactly which phrase went off. Not a vague "close enough" — every note is marked sharp or flat, and by how much. Everyone can reach different notes. Move the whole tune up or down in…from howtowhistle.org
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