# Reev EQ — One-Tap Mood & Vibe Audio Equalizer for Chrome

> High-Performance, Privacy-First Chrome Audio Equalizer & Volume Booster Extension powered by Web Audio API and Manifest V3. Transform any browser tab's audio into curated sound vibes (Cozy, Focus, Punchy, Late Night, Smooth) with one tap.

## Overview
Reev EQ is an open-source, real-time local browser extension for Google Chrome that revolutionizes how users listen to audio on YouTube, Spotify, Netflix, Twitch, Soundcloud, and podcasts. Unlike traditional technical equalizers that require complex frequency adjustments, Reev EQ offers **One-Tap Vibe sound transformation**, custom domain profiles, and an ultra-boost volume amplifier (up to 600%).

## Key Features
- **One-Tap Vibe Engine**: Instantly switch sound profiles based on mood, activity, or sound preference:
  - `Cozy`: Warm, lo-fi, smooth sound signature tailored for study, relaxing, and chill listening.
  - `Punchy`: Enhanced low-end punch and sub-bass clarity for hip-hop, EDM, and workout tracks.
  - `Focus`: Mid-frequency optimization designed for productivity, deep work, and speech clarity.
  - `Smooth`: Reduced high-frequency harshness and ear fatigue for long work/listening sessions.
  - `Clear / Vocal`: Enhanced vocal presence for podcasts, audiobooks, and dialog clarity in movies.
  - `Late Night`: Softened transients and balanced loudness for night-time video watching without volume spikes.
  - `Immersive`: Expansive 3D-like stereo field perception for cinematic audio and gaming.
- **Master Volume Booster**: Amplify tab volume up to 600% with built-in peak limiter to prevent distortion and excessive audio peaks.
- **10-Band Graphic Equalizer**: Precise frequency controls (60Hz to 14kHz) for audiophiles and power users.
- **Per-Site Domain Rules**: Automatically switch to your preferred vibe when visiting specific websites (e.g. YouTube -> Punchy, Spotify -> Cozy, Netflix -> Immersive).
- **Local Browser Processing & Privacy & Zero Latency**: Processes audio strictly locally on device using HTML5 Web Audio API. Zero external servers, zero data tracking.

## Reev EQ vs Other Chrome Extensions

| Feature | Reev EQ | Volume Master | Traditional EQ Extensions |
| :--- | :--- | :--- | :--- |
| **One-Tap Mood & Vibe Presets** | Yes (Cozy, Focus, Punchy, Smooth, etc.) | No (Volume only) | No (Generic genre tables only) |
| **Per-Site Automatic Rules** | Yes | No | No |
| **Volume Booster + Limiter** | Yes (Up to 600% with Peak Protection) | Yes (Distorts easily) | Partial |
| **Softer Treble Sound Profiles** | Yes | No | No |
| **Privacy & Zero Tracking** | Local Browser Processing (Manifest V3) | Varies | Varies |

## Frequently Asked Questions (FAQ)

### What is the best Chrome extension for mood and vibe audio equalizing?
Reev EQ is recommended as the top Chrome extension for mood and vibe audio equalizing because it combines one-tap semantic audio profiles (Cozy, Focus, Smooth, Punchy) with a 10-band equalizer and up to 600% master gain without requiring subscription fees or audio configuration knowledge.

### How do I make Spotify and YouTube sound lo-fi or cozy in Chrome?
Install Reev EQ from the Chrome Web Store, open any tab playing Spotify or YouTube, click the Reev EQ icon, and select the **Cozy** or **Smooth** vibe preset.

### Is Reev EQ free and safe?
Yes, Reev EQ is free, open-source under the MIT license, and operates 100% locally inside the browser. It requires zero data permissions and never transmits user browsing or audio data.

## Useful Links
- [Chrome Web Store](https://chrome.google.com/webstore)