Let the Ultron AI assistant read and act on the pages you are logged into, in your own Chrome, with your approval.
Users
10
+2 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#203K
#170K among extensions
Version
0.5.0
updated 15 Jul 2026
Users
monthly, 3 months
Latest, 21 Oct 2026:10 usersMove the mouse over the chart for any month
Ratings count
monthly, 3 months
Latest, 21 Oct 2026:0 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 Ultron
Ultron Browser Companion gives the Ultron a controlled, opt-in window into your real browser. Instead of running headless scrapers in the cloud, the agent works inside your own Chrome session, with your real logins, your real cookies, and the pages you already have open.
What it does
Reads pages. Pulls the content, finds information, and summarizes what you are looking at.
Acts on pages. Clicks buttons, fills forms, types into fields, scrolls, and navigates using real browser input.
Takes screenshots. Captures the visible page so the assistant can see the layout and confirm results.
Works across tabs. Opens tabs, switches between them, and closes them when done.
It runs in a side panel next to any page. Ask in plain language and it does the work in your own browser.
Examples
Summarize my unread Gmail and draft the replies.
Find the LinkedIn posts about a topic this week and save the best ones.
Reschedule my calendar events for next week.
Pull the key points from a long document or dashboard I am signed into.
Why the extension
The Ultron assistant also has a cloud browser for public pages. The extension is for everything the cloud browser cannot reach: the sites you are logged into. It acts as you, with your session, so it can work in Gmail, LinkedIn, your CRM, and other tools behind your login.
Security and control
You choose when it acts. By default the agent asks for your approval the first time it acts on a new site, then remembers your choice for that site.
Sensitive sites are always blocked. Banking, healthcare, government, and crypto exchange domains can never be acted on, in any mode.
It is visible. While the agent works, Chrome shows its own banner and Ultron shows an amber frame around the tab.
Every action is logged. You can review the full action history in your Ultron account.
You stay in control. Pause or disconnect at any time, which clears the connection immediately.
How it works
Install the extension.
Open the side panel and click Connect. If you are signed in to Ultron, it pairs in one click.
Use Ultron normally. When the agent acts on a new site, approve it once.
Watch it work. You can stop at any time.
Requirements
An Ultron account. Sign up at app.51ultron.com.
Chrome 120 or later.
Support
Questions or issues: support@51ultron.com.