Lumi

Visual Prompt Builder - What You See is What You Prompt

As of June 2026, Lumi has 9 users in the Developer Tools category.

Usersdown 18.2 percent18.2%
9
9
Ratingno change0%
— reviews
Reviewsno change0%
Version
1.0.1
Manifest V3

History

6 snapshots

Tracking since Apr 19, 2026.

15.48128.52Apr 19, 2026Jun 4, 2026
View as table
DateUsersRatingReviewsVersion
Apr 19, 2026111.0.1
Apr 29, 2026141.0.1
May 8, 2026141.0.1
May 16, 2026151.0.1
May 25, 2026141.0.1
Jun 4, 2026111.0.1
Now91.0.1

Permissions & access

Permissions
activeTabstoragescripting
Host access
None declared

Screenshots

Lumi screenshot 1Lumi screenshot 2Lumi screenshot 3

About

Lumi is a visual prompt builder that bridges the gap between what you see and what coding agent understands.

🎯 WHAT IT DOES
• Select any element on a webpage with a single click
• Edit styles in real-time with WYSIWYG controls
• Annotate screenshots with arrows, boxes, and text
• Generate structured prompts optimized for AI coding agents

🔧 PERFECT FOR
• Frontend developers working with coding agents like Cursor / Claude Code
• Designers communicating UI changes to engineers and AI
• Anyone who wants to show, not just tell, their AI

⚡ KEY FEATURES
• Works on any webpage
• No account required
• All processing happens locally
• Exports to clipboard for any AI tool

🔒 PRIVACY FIRST
• Zero data collection
• No external servers
• No analytics or tracking
• Your screenshots stay on your device

⌨️ KEYBOARD SHORTCUTS
• Cmd/Ctrl+K: Quick toggle
• Escape: Close annotation mode

💡 HOW TO USE
1. Click the Lumi icon
2. Click any element to select it
3. Edit styles or switch to annotation mode
4. Copy the generated context to your AI

Lumi is open source: https://github.com/user/lumi

Technical

Version
1.0.1
Manifest
V3
Size
119KiB
Min Chrome
88
Languages
1
Featured
No

Metadata

ID
pbinkdolcnolpkipcpandngjaboiieai
Developer ID
u54afee7f14bb48c3a842246eb1e719f3
Developer Email
[email protected]
Created
Dec 26, 2025
Last Updated (Store)
Dec 27, 2025
Last Scraped
Jun 4, 2026
Website
Support URL
github.com/heyzgj/lumi

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Data sourced from the Chrome Web Store · last verified Jun 4, 2026.