PDF Highlighter is a soulful web service designed to let you instantly mark what matters, right in your browser tab. No fuss, just focus.

A Space for Mindful Reading

Our mission is to protect your time and energy. We’ve gathered the essentials in one place, so you can work at your own pace without ever leaving your flow.

• Colors for every mood: Brighten your thoughts with your favorite shades in a heartbeat.

• A conversation with your highlights: Turn your scattered notes into a thoughtful essay through a friendly dialogue.

• AI-assisted highlighting: Simply describe what you are looking for, and the AI will gently highlight the PDF according to your instructions.

• Everything within reach: A snug sidebar helps you see all your notes at a glance and return to what’s truly important.

• Kindness in the details: Add thoughtful notes, tweak colors, or scale the page with a simple click. We’ve kept the controls light and responsive.