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  2. 2Adjust
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Sound Tone & Frequency Generator online, free

Generate pure sine, square, triangle, and sawtooth audio frequencies (20 Hz – 20,000 Hz) and acoustic white/pink noise in WAV format.

  • Runs in your browser — no upload
  • Free, no sign-up, no watermark
  • JSON
  • TXT
How to use Sound Tone & Frequency Generator · Sound Tone & Frequency Generator — frequently asked questions

How to use Sound Tone & Frequency Generator

  1. 1

    Add your JSON and TXT file

    Drop a file on the page, paste it, or click Select Files. Nothing is uploaded — it opens straight in your browser.

  2. 2

    Fine-tune the settings

    Set waveform and sample rate in the Fine-tune panel, or keep the defaults — they suit most files.

  3. 3

    Run Sound Tone & Frequency Generator

    Press the start button. Processing happens on your device, usually in seconds.

  4. 4

    Download the result

    Save the finished file, or continue with another tool without downloading in between.

What Sound Tone & Frequency Generator can do

  • Waveform: sine, square, triangle, sawtooth, white noise and pink noise
  • Sample Rate: 22050, 44100 and 48000
  • Private by design — files are processed in your browser and never uploaded
  • Free with no sign-up, no watermark and no daily limit

Common tasks

Sound Tone & Frequency Generator — frequently asked questions

Is Sound Tone & Frequency Generator really free?

Yes. The sound generator is completely free with no usage caps, subscriptions, or watermarks. Every frequency and waveform option is fully unlocked for all users.

Can I generate standard 440 Hz tuning tones and binaural frequencies?

Yes. You can generate concert pitch A4 (440 Hz), 432 Hz healing tones, low-frequency sub-bass test tones (down to 20 Hz), and ultra-high acoustic test frequencies (up to 20,000 Hz).

Which waveforms and noise types are supported?

The tool produces mathematically pure sine waves, square waves (with rich odd harmonics), triangle waves, sawtooth waves, random white noise, and filtered pink noise.

Is audio generated locally or uploaded to a server?

The tone generation runs entirely in your browser using client-side Web Audio synthesis and local PCM WAV encoding. No audio data or settings are ever uploaded to a remote server.

What audio file format is exported?

You receive an uncompressed, studio-standard 16-bit PCM WAV audio file with selectable sample rates (22,050 Hz, 44,100 Hz CD quality, or 48,000 Hz studio quality) ready for editing or calibration.

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