Powered by Claude · Built for professionals

Claude AI in your browser,
on every page

Summarize, explain, improve — without switching tabs. Free to install.

No credit card required Works on any website Takes 30 seconds

Everything you need, right on the page

🔍
Summarize any page

One click to get a sharp, accurate summary of any article, doc, or report — no copying and pasting.

💬
Chat with page context

Ask follow-up questions about the content you're reading. Claude reads the page so you don't have to re-explain.

✏️
Explain or improve selected text

Select any text on the page to explain, rewrite, translate, or improve it — in seconds.

⌨️
Alt+A shortcut to toggle

Open and close the sidebar instantly with a keyboard shortcut. No clicking through menus.

🔒
Your API key stays local

On the free tier, your Anthropic API key is stored only in your browser. We never see it.

Fast — Claude Haiku model

Powered by Claude Haiku for near-instant responses. Smart enough for the job, fast enough for flow.

Simple, transparent pricing

Start free with your own API key. Upgrade to Pro when you want zero friction.

Free
$0
forever

Bring your own Anthropic API key. You pay Anthropic directly for usage.

  • Full AI sidebar on any webpage
  • Summarize, chat, explain, rewrite
  • Alt+A keyboard shortcut
  • API key stored locally — never shared
  • Unlimited usage (your API costs apply)
Add to Chrome
MOST POPULAR
Pro
$5.99
per month · cancel anytime

No API key needed. We handle everything — just install and go.

  • Everything in Free
  • No API key required
  • 1,000 requests per month included
  • Priority support
  • Cancel anytime, no questions
Get Pro — $5.99/mo

Up and running in 30 seconds

1
Install the extension

One click from the Chrome Web Store. No account required to get started.

2
Press Alt+A on any page

The Nexio sidebar slides in on the right. Works on any website, any content.

3
Ask anything

Summarize, ask questions, explain jargon, improve your writing — Claude handles it all.

AI tools for every corner of your workflow

Every Nexio extension shares the same Pro subscription. One key, all tools.

Nexio YouTube AI
TL;DR any video in seconds
Nexio Gmail AI
Draft and summarize emails
📄
Nexio PDF AI
Chat with any PDF in Chrome
💼
Nexio LinkedIn Writer
AI posts and comments
🎙
Nexio Meeting AI
Notes and action items from Meet
🗂
Nexio Tab AI
Organize and search your tabs
🔍
Nexio Search AI
AI answers in Google results

Ready to think faster?

Join professionals who use Nexio AI every day to cut through information overload.

Get your Pro key

Enter your purchase email and we'll re-send your key instantly.