Transformers.js

Adds a sidebar panel that classifies the active page or your selected text with on-device AI models.

Runs on Chrome, Edge, Firefox · Manifest V3 · Surfaces: sidebar, content script, popup, background service worker · Styling: CSS · Level: intermediate

Create this project

npx extension@latest create my-transformers-js --template transformers-js
cd my-transformers-js
npm install
npm run dev

What it is for

Running Transformers.js models inside an extension
Classifying page text with no server and no API key
Reference for shipping on-device AI under MV3

First steps

Run npm run dev to launch the extension
Click the extension icon to open the side panel
Type in the text box, or use the page text or your selection, and the model classifies it on your machine

Permissions it asks for

sidePanel
storage
tabs
contextMenus
<all_urls>

Source on GitHub Documentation

extension.dev Documentation for extension.dev