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ChromeEQ

Version 1.0 · Chrome Extension

A 6-band parametric graphic equalizer for Chrome tabs. Shape the frequency response of any tab audio with precise control over frequency, gain, and bandwidth.

Add to Chrome How to Install Features Screenshots Default Bands
ChromeEQ main EQ interface

Setup

How to Install

Install from the Chrome Web Store for the simplest setup — one click, with updates handled by Chrome.

Add to Chrome — Web Store

Opens the official listing in a new tab.

Developers: load unpacked

To run a local copy, use the extension folder that contains manifest.json, icons, and scripts.

  1. Obtain the ChromeEQ extension folder (with manifest.json, background.js, popup.html, offscreen.html, etc.).
  2. Open Chrome and go to chrome://extensions.
  3. Enable Developer mode (toggle in the top-right corner).
  4. Click Load unpacked and select the ChromeEQ folder.
  5. Ensure icons/icon16.png, icon48.png, and icon128.png exist (or copy from Chromepressor if needed).
  6. Pin the extension and click it on any tab with audio to start EQ processing.

Requirements: Chrome 109+ (Manifest V3). Same architecture as Chromepressor — tab capture, offscreen document, persistent storage.

Features

Precision EQ

🎛️

6-Band Parametric EQ

Six independent peaking filters, each with frequency (20 Hz – 20 kHz), gain (-12 to +12 dB), and Q (0.3 – 8) controls.

🔊

Master Gain

Global output gain from 0.25x to 2x. Compensate for boosts or cuts across your EQ curve.

📊

Input / Output Metering

Real-time level readouts show input and output levels. Settings view includes a level-over-time chart.

🔄

Reset to Flat

One click resets all band gains to 0 dB for a clean starting point.

💾

Persistent Settings

All band parameters and master gain are saved and restored between sessions via Chrome storage.

Use Cases

  • Voice clarity — Boost presence (2–4 kHz) and cut mud (200–400 Hz) for calls and podcasts
  • Bass adjustment — Add low-end on small speakers or reduce boom on headphones
  • Treble shaping — Reduce harshness or add air and sparkle to dull sources
  • Room correction — Compensate for poor speaker placement or room acoustics

Interface

Screenshots

ChromeEQ main view with six bands and meters
Main view — six parametric bands, master gain, input and output levels
ChromeEQ band controls
Band controls — frequency, gain, and Q for each band
ChromeEQ settings and metering
Settings — level chart and extended metering

Defaults

Default Bands

Six bands tuned to musical frequency ranges. All start flat at 0 dB gain with Q of 1.

1 80 Hz Sub Bass
2 250 Hz Low Mids
3 800 Hz Mids
4 2.5 kHz Upper Mids
5 8 kHz Presence
6 16 kHz Air

Technical

Specs

Platform Chrome (Manifest V3)
Audio Engine Web Audio API — BiquadFilterNode (peaking)
Signal Chain Source → Analyser → 6× Biquad → Gain → Analyser → Output
Bands 6 parametric peaking filters
Frequency Range 20 Hz – 20 kHz
Gain Range -12 dB to +12 dB per band
Q Range 0.3 – 8
Master Gain 0.25x – 2x
Permissions offscreen, tabCapture, tabs, activeTab, storage