Thanks for downloading Lightup!

Your AI-Powered Annotations for every page on the web. Simply highlight any text, and let Lightup enhance your browsing experience with instant AI-powered insights.

Here’s how to set up your extension:

Pin the Extension

Click the puzzle piece icon in your browser toolbar
Find LightUp and click the pin icon to keep it easily accessible
Right-click the LightUp icon and choose “Options” to go directly to Settings

Configure Your AI Backend

Choose your preferred AI backend:

Local LLM (requires running local-llm-download)
OpenAI API (requires API key)
Google Gemini (requires Gemini API key and model selection)
Grok-beta by xAI

Using LightUp

Select any text on a webpage
A LightUp popup will appear
Get instant AI-powered insights
Ask follow-up questions for deeper understanding

Keyboard Shortcuts

Quick mode switching:

Ctrl+Shift+ZSwitch to “Explain” mode
Ctrl+Shift+SSwitch to “Summarize” mode
Ctrl+Shift+ASwitch to “Analyze” mode
Ctrl+Shift+TSwitch to “Translate” mode

After setting the mode, simply select any text and LightUp will appear with your chosen mode.

Ready to Start!

You can switch modes in two ways:

Using keyboard shortcuts (as shown in previous step)
Clicking the LightUp icon in the toolbar to manually select a mode

This allows you to easily toggle between explaining, summarizing, analyzing, and translating text as per your needs.