Lumina - AI Copilot for the web icon

Lumina - AI Copilot for the web

by singhharsh199 · Workflow & Planning
Manifest V3 Free
View in Chrome Web Store Data as of 17 Oct 2026

Explain anything on your screen - Slides, Papers, News, Articles - using ChatGPT, Gemini and Claude.

Users
7
+1 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
2
0 in 30 days
Store rank
#218K
#182K among extensions
Version
1.4
updated 6 Feb 2026

Users

monthly, 9 months
049Jan 2026Jun 2026Oct 2026
Latest, 17 Oct 2026: 7 usersMove the mouse over the chart for any month

Ratings count

monthly, 9 months
012Jan 2026Jun 2026Oct 2026
Latest, 17 Oct 2026: 2 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Lumina - AI Copilot for the web

Lumina gives you an AI "Second Brain" right in your browser. Instantly analyze the content of any tab—whether it’s a YouTube lecture, a PDF slide deck, or a complex documentation page. Lumina sees what you see and explains it in seconds. ✨ Free Forever Features (No Subscription Needed) Google Gemini Integration: Use the blazing fast Gemini Flash model for free (Bring Your Own Key). Visual Analysis: "Snap" a screenshot of your tab and ask questions about charts, diagrams, or UI. Page Context: Automatically reads the text of the page for context-aware answers. Clean Interface: A beautiful, distraction-free side panel that fits your workflow. 🔓 Advanced Models (Bring Your Own Key) Unlock the world's smartest models with your own API keys: Premium Models: Switch instantly between OpenAI GPT-4o and Anthropic Claude 3.5 Sonnet. Unlimited History: Automatically save your best prompts and explanations to review later. Voice Input: Speak your queries naturally. Smart Context: Auto-scrapes page text for perfect answers every time. 🔒 Privacy First Start Free: Use your own API key for Gemini. Pay only for what you use, directly to Google (often free for low usage). Your Data Stays Yours: We do not store your data or API keys on our servers. Everything is stored locally in your browser. ⚡ Perfect For... Students: Snapshot lecture slides and get instant summaries. Developers: Debug code snippets or get explanations for complex docs. Researchers: Switch between Claude (best for writing) and GPT-4o (best for reasoning) in one click. Note: This extension utilizes your own API keys. A Lumina Pro License is required to unlock the interface for OpenAI, Anthropic, and DeepSeek providers.

Growth

WindowUsersChangeRatingsRating
7 days+1+16.7%00.00
30 days+1+16.7%00.00
6 months+6+600.0%00.00

Version history

3 versions recorded
1.46 Feb 2026
1.33 Feb 2026
1.227 Jan 2026

Details

Category
Workflow & Planning
First seen
27 Jan 2026
Size
490 KB
Languages
en
Pricing
Free
Privacy policy
gist.github.com
Extension ID
fleclagpjeadgabepikpaajhbjbcobfg

Permissions and risk

Moderate riskimpact 3, likelihood 2
Permissions
activeTabstoragesidePanelscriptingclipboardRead
Site access
<all_urls>
Can read and change data on every website you visit.

Alternatives to Lumina - AI Copilot for the web

Extensions that rank for the same store searches or share the Workflow & Planning category, ordered by users