System Info Viewer Using HTML, CSS and JavaScript with Source Code
Welcome to System Info Viewer – your all-in-one dashboard for discovering detailed insights about your device, browser, and network! This interactive web app, built with HTML, CSS, and JavaScript, provides a clean and modern way to explore your system's hardware, software, and performance metrics. Whether you're a developer debugging browser issues or just curious about your device's capabilities, this tool delivers real-time data in an easy-to-understand format.
With System Info Viewer, you can check CPU cores, RAM usage, battery status, screen resolution, network speed, and more—all in one place! The app features a sleek design with light/dark mode, smooth animations, and a user-friendly interface that works seamlessly across devices. Simply click "Start Analysis," and within seconds, you'll unlock a wealth of technical details about your system. Ready to explore what’s under your device’s hood? Let’s get started! 🚀
You may also check this simple HTML, CSS and JavaScript project:
- Ideal Weight Calculator
- Workout Timer App
- Advanced Grade Calculator
- Volume Conversion App
- Flashcard Maker
✨ Key Features:
✅ System Information
Displays platform, CPU cores, device memory, and touch support.
✅ Browser Details
Shows browser name, version, cookies status, and language settings.
✅ Performance Metrics
Simulated RAM usage with a visual progress bar.
Battery status with charging indicators.
✅ Network Insights
Connection type (Wi-Fi, 4G, etc.), speed, and online status.
✅ Screen & Display
Resolution, color depth, pixel ratio, and orientation.
✅ Location & Time
Timezone detection, local time, and geolocation (with permission).
✅ Modern UI
Dark/Light Mode toggle for better readability.
Responsive design that works on all devices.
Loading animation for a smooth user experience.
🛠 Technologies Used:
HTML5 – Structure and content layout.
CSS3 – Styling, animations, and responsive design.
JavaScript – Dynamic data fetching and real-time updates.
Font Awesome – Icons for better visual representation.
Browser APIs –
navigator
,screen
,battery status
,geolocation
, and more.
🚀 How to Use:
Open the App
Simply open the
index.html
file in any modern browser (Chrome, Firefox, Edge, etc.).
Landing Page
You'll see an introduction screen with a "Start Analysis" button.
Loading Screen
Clicking the button triggers a loading animation while the app collects system data.
View System Info
After loading, the dashboard displays all collected information in categorized cards.
Interact with Features
Toggle Dark Mode for better visibility.
Click "Get Location" to detect your geolocation (requires permission).
Use "Refresh Data" to update stats in real-time.
Sample Screenshots of the Project
Landing Page

Analyzing System Info

System Info

How to Run?
- Download the provided source code zip file.
- Extract the downloaded zip file.
- Open the html file and you are now ready to go!
Video Demonstration for Installation/Setup:
Conclusion:
In conclusion, System Info Viewer offers a powerful yet user-friendly way to access comprehensive system information with just a few clicks. By combining clean design with real-time data visualization, this web app makes it effortless to monitor your device's performance, browser capabilities, and network status—all while providing a seamless experience across desktop and mobile devices. Whether for troubleshooting, development, or simple curiosity, this tool puts essential system insights at your fingertips, proving that technical details can be both accessible and visually appealing. Dive in and discover what your system is truly capable of!
That's it! I hope this "System Info Viewer Using HTML, CSS and JavaScript" will assist you on your programming journey, providing value to your current and upcoming projects.For additional tutorials and free source codes, explore our website.
Enjoy Coding :>>
Note: Due to the size or complexity of this submission, the author has submitted it as a .zip file to shorten your download time. After downloading it, you will need a program like Winzip to decompress it.
Virus note: All files are scanned once-a-day by SourceCodester.com for viruses, but new viruses come out every day, so no prevention program can catch 100% of them.
FOR YOUR OWN SAFETY, PLEASE:
1. Re-scan downloaded files using your personal virus checker before using it.
2. NEVER, EVER run compiled files (.exe's, .ocx's, .dll's etc.)--only run source code.