Can I Use – The Definitive Browser Support Checker for Web Developers
Can I Use is the essential, real-time resource for front-end developers and web designers to verify browser compatibility for modern web standards. This trusted tool provides instant, accurate data on which browsers and versions support HTML, CSS, JavaScript APIs, and other web technologies, enabling you to make informed decisions, avoid costly bugs, and confidently implement new features.
What is Can I Use?
Can I Use is a comprehensive, web-based database that delivers up-to-date browser support tables for a vast array of front-end web technologies. Its core purpose is to eliminate guesswork in cross-browser compatibility by providing a clear, data-driven view of feature adoption across desktop and mobile browsers. It is the primary tool for developers who need to know if they can safely use a specific CSS property, JavaScript API, or HTML element in their target browsers, directly impacting project planning and production stability.
Key Features of Can I Use
Comprehensive Browser Support Tables
Access detailed tables showing precise support status (fully supported, partially supported, not supported) for features across all major browser engines—Chrome, Firefox, Safari, Edge, and Opera—including their mobile versions and historical releases.
Global Usage Statistics
View the real-world global usage percentage for each browser version, helping you prioritize compatibility decisions based on your audience's actual browser landscape and make data-backed trade-offs.
Feature Search and Filtering
Quickly search for any web technology or filter results by browser, feature status, or specification to find the exact compatibility information you need without sifting through irrelevant data.
Detailed Notes and Known Issues
Gain critical context beyond simple yes/no support. Each feature includes notes on specific browser quirks, implementation differences, polyfill requirements, and links to relevant tracking bugs.
Who Should Use Can I Use?
Can I Use is indispensable for any professional involved in building for the web. Front-end developers rely on it daily to vet new APIs and CSS features. Web designers use it to understand the limitations and possibilities of modern layouts. Technical leads and project managers consult it to define browser support matrices and project scope. It's also a vital educational tool for students and educators learning about the practical realities of web standards implementation.
Can I Use Pricing and Free Tier
Can I Use is completely free to use. The primary website, caniuse.com, offers full access to all browser compatibility data, search, and filtering features at no cost. There is no registration, subscription, or paid tier, making it an accessible and essential resource for developers of all levels and from all organizations.
Common Use Cases
- Check CSS Grid and Flexbox browser support for responsive layout projects
- Verify JavaScript ES6+ syntax and API compatibility before deployment
- Audit browser support for Progressive Web App (PWA) technologies like Service Workers
Key Benefits
- Eliminate cross-browser bugs and reduce QA time by planning with accurate compatibility data.
- Speed up development decisions by instantly accessing the industry's most trusted support database.
- Improve website reach and user experience by making informed choices about feature adoption and fallbacks.
Pros & Cons
Pros
- Unmatched accuracy and authority as the web development community's standard reference.
- Completely free with no feature limitations or account requirements.
- Intuitive, fast interface designed specifically for developer workflows.
- Continuously updated with data sourced directly from browser vendors and specifications.
Cons
- Primarily a reference tool; does not automatically scan or test your own code for compatibility.
- The interface, while functional, is utilitarian and may not be as visually polished as some newer commercial tools.
Frequently Asked Questions
Is Can I Use free to use?
Yes, Can I Use is completely free. The entire database of browser compatibility tables, global usage stats, and detailed feature notes is available on caniuse.com without any registration, subscription fees, or paid tiers.
Is Can I Use good for web developers?
Can I Use is considered an essential and non-negotiable tool for professional web developers. It provides the foundational data needed to ensure websites work correctly across different browsers, directly impacting project success, user satisfaction, and development efficiency. No modern front-end development stack is complete without it.
How often is Can I Use data updated?
The data on Can I Use is updated continuously as new browser versions are released and support information changes. It aggregates data from official browser release notes, platform status trackers, and specification changes, ensuring developers have access to the most current compatibility information available.
Conclusion
For any web professional, Can I Use is more than just a tool—it's the definitive source of truth for browser compatibility. Its unparalleled accuracy, comprehensive coverage, and commitment to being freely accessible have made it a cornerstone of the modern web development workflow. When you need to know if a feature will work for your users, consulting Can I Use is the first and most critical step. It empowers you to build with confidence, embrace new web standards intelligently, and deliver robust, cross-browser compatible experiences every time.