Customize Everything
Extend Comet AI with powerful extensions and beautiful themes. Build your own using our comprehensive SDK, or choose from pre-built extensions for ad blocking, productivity, privacy, and more.
12+
Extensions
8
Themes
280K+
Downloads
10
Verified
v3.0
SDK
Ad Blocker Pro
by Comet AI
Block all ads, trackers, and malicious scripts with ~99% accuracy
Enhancer Pack
by Comet AI
Enhance pages with custom styles, keyboard shortcuts, and productivity tools
Password Vault
by Comet AI
Secure local password manager with encryption and auto-fill
Tab Master
by Comet AI
Advanced tab management with groups, snapshots, and automation
Screenshot Pro
by Comet AI
Capture full page, selected regions, and annotated screenshots
Video Downloader
by Community
Download videos from YouTube, Vimeo, Twitter, and 100+ sites
Note Clipper
by Comet AI
Save web pages, articles, and highlights to your notes
Translator Plus
by Community
Instant page translation with 100+ language support
Dev Tools Pro
by Comet AI
Advanced developer tools with API testing, JSON formatting, and more
Privacy Guard
by Comet AI
Block fingerprinting, manage cookies, and protect your privacy
Email Checker
by Community
Verify email addresses and detect disposable/temporary emails
Shopping Companion
by Community
Compare prices, find coupons, and get price drop alerts
Build Your Own
Extension Development
manifest.json
Trust & Safety
Security Verification
Code Signing
All verified extensions are code-signed by their developers. Signatures are validated before installation.
Permission Review
Extensions declare required permissions upfront. Users can review and approve permissions before installation.
Sandboxed Execution
Extensions run in isolated contexts with no direct file system or network access. All operations are proxied.
Build Your Extension Today
Create powerful extensions and beautiful themes for the Comet AI community.