Free online audio web-apps, tools & files
Everything for testing, checking and configuring audio equipment. Free online tools, signal generators, web applications and audio materials for entertainment and working with sound. Make your own check sound directly in the browser from your computer or smartphone!
Use our free metronome app to learn the rhythm when playing musical instruments, use ready-made audio samples of tone sounds to tune musical instruments, use a tool to record voice and sound online, and also take a quick test to check the acuity of your hearing. Try all our tools and web applications. Tell your friends and share a link to our website.

Online Tone Generator
Sound signal generators with an indication of the exact frequency. The operating range is from 1-20000 Hertz. There are 4 waveforms to choose from: sine, square, triangle, sawtooth.

Sweep Tone Generator
Online variable frequency tone generator. A simple and free tool for creating tonal sounds with the ability to download in WAV audio format (44/96 kHz). Range from 1 Hz to 20 kHz

Bass Sound Generator
Free online generator of low-frequency tone signals. This generator is ideal for testing bass and subwoofer. Frequency range from 1 to 200 Hertz

Online Metronome
A simple and free online metronome for accurately setting the desired tempo for recording music or when playing musical instruments. 20 - 250 beats per minute (BPM)

Guitar Tuner Online by ear
Do you want to learn how to tune a guitar by ear? An online tool for fine tuning acoustic, electric, bass guitar and ukulele by ear. Tune your guitar quickly, for free, without installation and download.

Online Test Stereo (L/R)
A simple and free web application for checking and testing audio channels (L/R). Check the operation and correct connection of your speakers or headphones.

Text to Morse Code Sound
Free online tool for converting text to Morse code with audio playback and download function. Generate any Morse Code sounds quickly using our web-app.

Online Speaker Cleaner
Our simple and free online application helps to remove water, dust and dirt from the speakers of your phone with the help of special sounds of certain frequencies

Online Hearing Test
Test your hearing with a quick 60-second online test and compare your result with the hearing table. Find out what is the highest frequency of sound you can hear

Dialing Simulator (DTMF)
Dual tone multi frequency tone generator. Use our free online application as a phone dialing simulator. Listen and download the sound to your computer or smartphone in WAV audio format.

Frequency Tuner Online
Free and simple online web application for tuning guitar or other musical instruments using a tone frequency generator. Use the sound standard 440 Hz/432 Hz.

8-Bit Sound Generator
Simple and free online generator of 8-bit sound effects for pc or mobile games. Generate, play, listen and download short SFX files in WAV audio format.
Top Audio Files:
- 280 Hz original frequency sound sample 7834
- 440 Hz original frequency sound sample 1018
- 432 Hz original frequency sound sample 841
- 200 Hz frequency sound sample 526
- 400 Hz frequency sound sample 515
- Dial sound "Ringing Tone" (400 Hz + 450 Hz) 416
- 50 Hz frequency sound sample 412
- 295.8 Hz frequency sound sample 408
- 480 Hz frequency sound sample 373
- 20000 Hz frequency sound sample 327