Free Online Equalizer & Sound Tests
Shape your sound with a 10-band online equalizer, test your bass and headphones, and copy ready-made EQ presets. Then take the same control to YouTube and your streaming sites with the Chrome extension.
Free audio tools
Everything runs in your browser. No sign-up, no uploads.
Online Equalizer
Load a song, move 10 sliders, add bass and volume boost, and watch the live spectrum.
TestBass Test
Play tones and a 20–200 Hz sweep to see how low your speakers or headphones can go.
TestHeadphone Test
Check the left and right channels and your frequency range from 20 Hz to 20 kHz.
LibraryEQ Presets
Exact dB values for rock, pop, hip-hop, vocals, podcasts, gaming and more.
Popular equalizer settings
Start from a proven curve, then adjust by ear. Every preset shows exact dB values for all 10 bands.
Bass Boost
Kick drums, bass lines, EDM and hip-hop
10-band presetRock
Guitars, drums and live energy
10-band presetPop
Polished mixes with forward vocals
10-band presetHip-Hop & Rap
Deep 808 bass, crisp vocals and hi-hats
10-band presetVocals
Singer-songwriters, a cappella and vocal tracks
10-band presetPodcasts & Speech
Podcasts, audiobooks, lectures and news
10-band presetGaming
Footsteps, explosions and voice chat
10-band presetLaptop Speakers
Laptop, phone and small speakers
Equalizer for Chrome
The extension brings an equalizer, bass booster and volume booster to the sites you listen to, right in your browser.
- 10-band equalizerShape frequencies from 32 Hz to 16 kHz with a graphic equalizer.
- Bass boosterAdd weight to music, movies and games.
- Volume boosterMake quiet videos and streams louder.
- LimiterControl dynamics with attack, release, ratio and knee.
- Pitch and reverbChange the pitch or add space and depth to the sound.
- Genre presets and saved settingsSwitch between presets or save your own.
How it works
- Install
Click Add to Chrome on the Chrome Web Store page. - Open your music or video
Go to YouTube, YouTube Music or another streaming site. - Pick a preset or move the sliders
Turn on the bass booster or volume booster if you want more power.
Frequently asked questions
Is this site free?
Yes. The online equalizer, bass test, headphone test and all EQ presets are free and need no sign-up.
Are my audio files uploaded?
No. Everything runs in your browser with the Web Audio API. The files you load never leave your device.
What is the difference between the online equalizer and the Chrome extension?
The online equalizer processes files you load into this page. The Chrome extension changes the sound of the sites you listen to in the browser, such as YouTube and YouTube Music.
Which browsers does the extension support?
It is made for Chrome and Chromium-based browsers such as Microsoft Edge, Brave and Opera.
Does the extension work on YouTube Music?
Yes. It is designed for YouTube, YouTube Music and other streaming sites.
Better sound in your browser
Add the equalizer, bass booster and volume booster to Chrome.