Pacer Reading Aid

Guided reading extension that moves an underline across text chunks to improve focus.

Pacer Reading Aid helps you stay visually centered while reading documentation and long-form pages. It places a moving underline under text and advances in small steps, so your eyes can track one chunk at a time. You can tune speed, chunk size, underline style, and center-focus marker to match your reading comfort. Core features: Guided pacing with moving underline Word mode and character mode Three center-focus styles: Vertical center bar Center bubble Thick center taper Separate center marker color and size controls Adjustable underline thickness, width scale, color, and vertical offset Optional auto-scroll during reading Region picker to limit pacing to one selected content area Keyboard shortcuts for quick control Settings saved locally in Chrome sync storage How it works: Open any supported page Click Start from the extension popup The guide advances across readable text in your chosen region Pause and resume anytime Update settings to fit your preferred reading rhythm Best for: Developer documentation Technical blogs Tutorials and study material Users practicing center-focused eye tracking