Synthesize tones 1 Hz–22.05 kHz (sine/square/triangle/saw), white/pink/brown noise, binaural beats with brainwave presets, sweep (linear/log) & AM/FM modulation — anti-pop fades, 100% offline.
Precision Audio Tone & Noise Generator is part of Diagnostics & Testing on Rajlabs. It runs entirely in your browser — your files and text are never uploaded to a server. The same tool is available on all three primary hosts: utility.rajlabs.in, tools.rajlabs.in and utils.rajlabs.in. Bookmark https://utility.rajlabs.in/tone-generator or install it as a standalone app from your browser.
Synthesize tones 1 Hz–22.05 kHz (sine/square/triangle/saw), white/pink/brown noise, binaural beats with brainwave presets, sweep (linear/log) & AM/FM modulation — anti-pop fades, 100% offline. With Precision Audio Tone & Noise Generator you get live results as you type, one-tap presets for common cases, copy buttons, download/export (PDF, PNG, CSV, JSON where applicable) and a shareable URL that remembers your inputs. Dark mode and mobile responsiveness are built in — it looks great on phone, tablet and desktop.
?param=value to the URL to prefill for sharing.Use the category navigation to discover related tools — for example, after using Precision Audio Tone & Noise Generator try other Diagnostics & Testing tools from the homepage. If you need a different format, the URL Lab, Code Formatter or Converters can chain your output. Found a bug or want a preset? Open an issue on GitHub — Rajlabs ships updates weekly.
Is Precision Audio Tone & Noise Generator free? Yes, completely free with no limits.
Do you store my data? No — everything runs locally in your browser.
Can I use it on mobile? Yes — the layout adapts to phones and can be installed as an app.
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