Plasmo

Build AI-powered browser extensions like building React apps

Vibe Score

72/ 100

Pricing

Free

Status

Verified

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The VibeOrigin Verdict

The best way to build browser extensions today. If you're building an AI tool for the browser, Plasmo saves you weeks of setup pain.

Deep Dive

What is Plasmo?

Plasmo is the framework that makes building Chrome and Firefox extensions as easy as writing a React app. It handles all the Manifest V3 complexity, hot-reloading, and publishing pipeline. With built-in AI integration hooks, it's becoming the go-to for vibe coders building browser tools and AI sidekicks for the web.

Functionality

Key Features

✓React-based browser extension development

✓Manifest V3 support out-of-the-box

✓Hot-reloading during development

✓One-command publish to Chrome Web Store

The Good

+Removes all the painful extension boilerplate
+Developer experience is exceptional
+Growing community of AI extension builders

The Bad

−Relatively niche — fewer tutorials than mainstream frameworks
−AI integrations still maturing

Behind the Build

Brandon Camhi/ CEO & Co-founder

"Brandon Camhi co-founded Plasmo to make browser extension development as approachable as modern web development, removing the manifest complexity barrier."