Rex Volume Increase (v1)

What Does Rex Volume Increase Do?

Rex Volume Increase is a free Chrome extension that boosts any browser tab's volume up to 600%. You get louder audio on YouTube, Spotify, Zoom calls, and any other site — safely, without distorting the sound. The extension remembers your volume setting per site, so you don't have to adjust it every time.

Key Features

• Boost volume up to 600% on any tab
• Per-site volume memory — your settings stick
• Zero audio distortion thanks to smart gain control
• Works on YouTube, Netflix, Spotify, Zoom, and more
• 100% free, no signup, no ads
• Lightweight — under 100KB

How to Install Rex Volume Increase

• Download the extension ZIP file below
• Extract the ZIP file to any folder on your computer
• Open Chrome and go to chrome://extensions
• Turn on "Developer mode" in the top right corner
• Click "Load unpacked" and select the extracted folder
• The extension icon appears in your Chrome toolbar — you're done

How to Use It

• Open any tab with audio (YouTube, Spotify, etc.)
• Click the Rex Volume Increase icon in your toolbar
• Drag the slider to set your desired volume (100% – 600%)
• Close the popup — the new volume applies instantly
• Revisit the same site later and your setting loads automatically

Frequently Asked Questions

• Is it safe to increase volume above 100%? — Yes, it uses digital gain control, no distortion.
• Does it work on Firefox and Edge? — Yes, works on any Chromium-based browser.
• Will it slow down my browser? — No, uses less than 1MB of memory.
• Can I set different volumes for different sites? — Yes, per-domain memory.

Rex Volume Increase gives you full control over your browser audio — up to 600% louder, per site, with zero distortion. Download it now and stop straining to hear quiet videos.

Download Rex Volume Increase