Frequency Generator

Generate pure tone frequencies from 20Hz to 20,000Hz online for free. Test your speakers, headphones, or hearing.

Need to detect a frequency instead? Try the Frequency Detector.

The Ultimate Guide to Sound Frequencies

Welcome to Webtigo! If you are using our Frequency Generator and Frequency Detector tools, you are already tapping into the invisible waves that shape our world. Sound is much more than just what we hear—it is a physical force that can shatter objects, repel animals, and even guide our brains into states of deep relaxation.