AI answers. Instantly.

Highlight text or capture anything on screen. PhantomAI reads it, answers it, and pastes it for you, all without leaving the page.

Add to Chrome - Free
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Getting started

Create an account and sign in through the PhantomAI extension popup. Once logged in, all features are unlocked and ready to use on any webpage.

How it works

Highlight

Highlight any text on any page, press one key. Get an instant, concise AI answer overlaid right on the page.

Capture

Press a key or triple-click to enter capture mode, then drag a box around anything on screen. AI reads and answers it.

Paste

Click into any text field, press one key. Your last AI answer gets typed in, with optional type-mode for natural rhythm.

Reference images

Press a key to save a reference screenshot. AI uses it as extra context with all future questions. Shift + key to clear.

Document context

Upload PDFs, notes, or study guides. AI automatically searches them when answering, pulling in the most relevant sections.

Fully customizable

Remap all hotkeys to single keys or combos, adjust answer style, set display duration, and customize the capture indicator.

Read the full guide

FAQ

What AI model does PhantomAI use?
PhantomAI uses OpenAI's latest models for both text and image understanding.
Does it work on every website?
Yes. PhantomAI runs as a Chrome extension and works on any webpage - Canvas, Google Forms, Blackboard, Coursera, and everything else.
Is my data stored?
No. Text selections and screenshots are sent to OpenAI for processing and immediately discarded. We never store your queries or responses on our servers.
Can I cancel anytime?
Yes. You can manage or cancel your subscription at any time from the extension popup or the billing portal. No questions asked.
What's the difference between Free and Pro?
Free gives you 20 AI queries per day with full feature access. Pro raises that to 200/day and includes priority support. Unlimited removes all caps.
When do my daily queries reset?
Every day at midnight UTC (7:00 PM Eastern / 4:00 PM Pacific). Unlimited plan users have no cap.
Do I need my own API key?
No. PhantomAI handles all AI processing through our servers. Just create an account and start using it.