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Tone Generator
Sine/square/saw frequencies.
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About Tone Generator
Play sine, square, sawtooth, or triangle tones at any frequency.
📐 Methodology & Reference Accuracy:
Calculations, formulas, and conversions execute locally in your web browser. Output models are benchmarked against official reference standards and updated for 2026.
🔒 This tool runs entirely in your browser. Nothing is uploaded or stored.
Background reading: Tone Generator on Wikipedia. More: all fun & games.
Frequently Asked Questions about Tone Generator
How do I use the Tone Generator?
Open the Tone Generator and use the controls in the workspace below: sine/square/saw frequencies. Results appear instantly in your browser, with nothing to install, sign up for, or pay for.
Is the Tone Generator free?
Yes. The Tone Generator is completely free, like every tool in the PrimeFreeTools library. There are no accounts, subscriptions, or usage limits.
Does the Tone Generator store or share my data?
No. The Tone Generator runs with JavaScript in your browser, so what you enter never leaves your device and nothing is stored on a server.
What can I use the Tone Generator for?
Play sine, square, sawtooth, or triangle tones at any frequency. You will find it grouped under Fun & Games together with 11 other free tools on the PrimeFreeTools homepage.
Related Articles & Guides
Sep 16, 2026
Tone Generator: Sine, Square, Saw, and a Little Science
Sine/square/saw frequencies.
Read post