Signal Generator

Free online tool to generate audio tones at specific frequencies

Hz
%
s

Multiple Waveform Types

Create precise sine, square, sawtooth, and triangle waveforms for electronic testing, circuit analysis, and signal processing applications

Precise Frequency Control

Generate signals from 20Hz to 20kHz with exact precision, perfect for electronic component testing and audio equipment calibration

Real-time Visualization

Monitor your signal patterns with our dynamic oscilloscope display to verify waveform characteristics and timing relationships

Adjustable Duration & Volume

Set specific signal durations and amplitudes to match your testing requirements for electronic and acoustic measurements

Shareable Settings

Export your signal configurations via QR codes or links to ensure consistent testing parameters across teams and laboratories

Secure Local Processing

All signal generation occurs locally in your browser with no external data transmission, protecting your testing protocols and research

High-Quality Downloads

Save your generated signals in multiple formats with professional-grade sampling rates for use in engineering applications

No Installation Required

Access laboratory-grade signal generation tools instantly through your web browser without specialized hardware or software installation

Instant Playback

Immediately output your signals for real-time testing and troubleshooting of electronic circuits and audio systems

How to use our Signal Generator?

Generate precise audio tones in three simple steps:

Select tone type

Select tone type

Choose between sine, square, sawtooth, or triangle waveforms for your tone generation.
Configure tone settings

Configure tone settings

Set your desired frequency (20Hz-20kHz), volume level, and duration. You can also add optional effects like sweep or modulation.
Play or download

Play or download

Click 'Play' to hear the tone immediately, or 'Download' to save it as an audio file for later use.

Frequently Asked Questions

Our Signal Generator processes everything locally in your browser, ensuring precise frequencies are generated with minimal latency. Professional features such as multiple waveforms and frequency sweeps are available, making it a versatile Signal Generator for all your audio needs.
Our Signal Generator is designed to be intuitive. Simply select the desired waveform in the interface, set the frequency and volume, and click play. The Signal Generator also allows you to create frequency sweeps by setting the start and end frequencies and the sweep duration.
Yes, this Signal Generator is completely free with no limitations. All features of our professional Signal Generator, including different waveforms and frequency sweeps, are available at no cost.
The Signal Generator can produce pure sine waves, square waves, sawtooth waves, and triangle waves. Each waveform has its own unique harmonic characteristics suitable for different applications.
Our Signal Generator can produce frequencies from 20Hz to 20kHz, covering the entire range of human hearing. The precision depends on your device's audio capabilities.
Yes! You can download any generated tone as a WAV file. This makes our Signal Generator perfect for creating test tones, calibration signals, or sound effects for your projects.

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