KitesurfCloudflare
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Related Products
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About
Kitesurf is an agent-first browser built specifically for AI agents and runs entirely on Cloudflare Workers instead of using Chromium. It is designed around what agents actually need: structured machine-readable content, scalable execution, low CPU and memory use, and safe interaction with untrusted web pages, rather than human-facing features such as tabs, themes, extensions, or pixel-perfect scrolling. Each page load is treated as untrusted input, every session starts fresh, and components are isolated with access only to the resources required for their function. Kitesurf uses native Rust compiled to WebAssembly where possible and is organized around an Engine, PageScript, and PageRenderer. The Engine exposes Chrome DevTools Protocol WebSocket and REST APIs and stores session state, while PageScript parses HTML and CSS and runs JavaScript and WebAssembly inside isolated Workers.
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About
Polar is an AI browser that actually does work for you, turning words into quick or hours-long tasks across research, recruiting, sales, operations, marketing, email, data and running a business. Built as a Chromium browser, it works inside the websites, accounts, sessions, extensions, and tools users rely on, clicking, typing, navigating, reading pages, updating spreadsheets, filling forms, and following tasks through to completion. Users can hand off work from any tab, use the current page as context, ask a question, or start a longer assignment without switching out of their workflow. Polar can operate autonomously for many hours across multiple sites and difficult interfaces, while users follow along, take over at any time, and keep sensitive decisions in their own hands. Prompts can be saved as reusable workflows and run manually or on hourly, daily, weekly, or custom schedules, carrying the same context into every execution.
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Audience
AI agent developers that need a scalable browser runtime optimized for programmatic web navigation, structured content extraction, and automated browsing
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Audience
Founders, salespeople, recruiters, and knowledge workers wanting an AI browser to autonomously complete research, outreach, operations, and other web-based tasks
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Support
Phone Support
24/7 Live Support
Online
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Support
Phone Support
24/7 Live Support
Online
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API
Offers API
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API
Offers API
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Screenshots and Videos |
Screenshots and Videos |
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Pricing
$20
Free Version
Free Trial
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Pricing
$20 per month
Free Version
Free Trial
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Reviews/
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Reviews/
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Pros & Cons from Real UsersPros
Cons
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Training
Documentation
Webinars
Live Online
In Person
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Training
Documentation
Webinars
Live Online
In Person
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Company InformationCloudflare
Founded: 2009
United States
blog.cloudflare.com/kitesurf/
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Company InformationPolar Browser
United States
polarbrowser.com
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Alternatives |
Alternatives |
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Categories |
Categories |
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Integrations
Chromium
CSS
Chrome DevTools
Cloudflare
Google Cloud Platform
HTML
JavaScript
Notion
Slack
WebAssembly
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Integrations
Chromium
CSS
Chrome DevTools
Cloudflare
Google Cloud Platform
HTML
JavaScript
Notion
Slack
WebAssembly
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