This UNIHACK 2026 project is a Chrome extension that allows users to detect if different content on the web page they are on is likely to be AI. This includes:

• Text
• Images

• Ryan Yensch
• Lyn Duong
• Christopher Khim
• Jagadeesh Thirunavukkarasu
• Khaleed Mohammed
• Lakshmi Narasimhan Srinivasan

• Head to chrome://extensions/.
• Enable Developer mode in the top-right corner.
• Select Load unpacked in the top-left corner.
• Locate the folder eReuseHacks2026/browser-ai-detector/build/chrome-mv3-dev and select it.
• The extension is now installed.
• Click on the extension in the top-right of your browser for a usage guide, or check out it out here

cd browser-ai-detector
npm i
npm run dev

cd backend
npm i
npm run dev

Read all of the endpoint usages in the backend README

Create an env at /backend/.env with the following:

PORT=6767
SAPLING_API_KEY=PRIVATE_KEY
SIGHTENGINE_API_USER=USER_ID
SIGHTENGINE_API_SECRET=SECRET

• SAPLING_API_KEY: API Access
• SIGHTENGINE_API_USER and SIGHTENGINE_API_SECRET: Sightengine Sign Up