Step-by-step guide
How to Build a Chrome Extension with AI — Idea to Chrome Web Store
Build Chrome extensions with AI. Popup UI, content scripts, background workers, storage, and Chrome Web Store publishing. Step-by-step guide.
Describe Your Extension
Specify what it does: 'A Chrome extension that highlights key information on any webpage, lets users save highlights to a collection, and syncs across devices with user accounts.'
AI Generates Extension Files
Complete extension: manifest.json (v3), popup UI, content scripts for page interaction, background service worker for persistent logic, and storage setup for user data.
Build the UI
Clean popup interface for settings and controls. Content script UI for on-page interactions (tooltips, sidebars, highlights). Options page for advanced settings. All styled and responsive.
Add Backend if Needed
Extensions that sync data need an API. The AI builds both: extension code + backend API for user accounts, data sync, and premium feature gating.
Package and Publish
Generates proper icons (16, 32, 48, 128px), screenshots for the listing, description copy optimized for Chrome Web Store search. Follow the guided process to publish.
Typical completion time: 5-15 minutes
Try it now
Follow the steps above with a free Multos AI account. No credit card required.
Get Started Free