FreqWave EQ brings the audio control you need to your browser. 8-band equalizer, voice enhancement, live visualizer — all processed locally, zero servers.
Built for people who care about their audio quality — whether it's a podcast, a movie, or a YouTube video with a bad mix.
Full-range control from 32 Hz to 8 kHz. Each band adjustable ±12 dB with precise per-slider control. Flat by default — only shape what needs shaping.
Four curated presets — Off, Dialogue, Leveler, and Clarity — each tuned for a different listening scenario. Leveler includes a dynamics compressor ( DSP ).
Real-time spectrum display driven by the post-processing audio signal, so you see exactly what you're hearing after the EQ curve is applied.
All audio processing happens inside your browser using the Web Audio API. No audio data ever leaves your device. No servers, no accounts, no tracking.
Your EQ curve, knob positions, and Voice Enhancer mode are saved automatically. Open the extension a week later and your settings are exactly where you left them.
Tab capture runs in an offscreen document separate from your page, so the extension never touches the page DOM and doesn't slow down the site you're on.
Pre-tuned curves that fix common audio problems in one click. Switch modes without stopping playback.
Voice Enhancer inactive. Your manual EQ curve and gain settings still apply. Use this when you want full manual control.
Cuts low mud, boosts upper-mid presence. Designed for podcasts and videos where voice sits too far back in the mix.
Adds a dynamics compressor to even out loud and quiet passages. Ideal for content with inconsistent levels, like live recordings.
Progressive high-frequency lift that opens up the sound. Works well on compressed streaming audio that sounds dull or closed-in.
Load FreqWave EQ from the Chrome Web Store or install it unpacked in Developer mode via chrome://extensions.
Click the FreqWave EQ icon while on a tab playing audio — YouTube, Spotify, a podcast site, anything. Hit the Engine pill to start capture.
Adjust the 8-band EQ, tweak Master Volume and Pre-Amp, and pick a Voice Enhancer mode. Changes apply in real time with no buffering or interruption.