When you're building web apps, debugging and testing can quickly become overwhelming. But what if you had a toolkit that made it all easier?
Whether you're a seasoned developer or just starting out, these online tools will save you time, headaches, and countless lines of broken code.
Let’s explore!
🧠 1. Chrome DevTools
Your browser is already a powerhouse! Chrome DevTools lets you inspect elements, debug JavaScript, and track network activity in real time. Perfect for tackling layout issues or performance bottlenecks.
➡️ Learn more about Chrome DevTools
🔍 2. Postman
Need to test APIs without building the frontend first? Postman makes it a breeze. It’s great for sending requests, checking responses, and even writing test scripts.
⚡ 3. JSFiddle
Quickly test small bits of JavaScript, HTML, and CSS. It’s a playground for your front-end code, making it easy to share examples or experiment with new features.
➡️ Try JSFiddle
🧩 4. ESLint
Catch JavaScript errors before they hit production! ESLint helps you enforce coding standards, detect issues, and write cleaner, more reliable code.
🌍 5. Google PageSpeed Insights
Wondering why your site feels sluggish? This tool analyzes your website and offers practical suggestions to improve speed and performance — essential for SEO.
🔐 6. Snyk
Security matters. Snyk scans your project for vulnerabilities in packages and dependencies, helping you patch security holes before they become a problem.
🛠️ 7. StackBlitz
Want to test your code without setting up a local dev environment? StackBlitz lets you run full-stack apps directly in the browser — perfect for quick experiments.
📊 8. Lighthouse
Another gem from Google, Lighthouse audits your site for performance, SEO, accessibility, and best practices. A must-have for building high-quality, fast-loading sites.
🖥️ 9. Regex101
Regular expressions can be a headache. Regex101 lets you test and debug your regex patterns instantly, with detailed explanations of what each part does.
✅ 10. BrowserStack
Test your site on real devices without buying a shelf full of phones! BrowserStack lets you check compatibility across browsers and devices in real time.
💬 Which tools do you swear by?
I’d love to know which debugging and testing tools you can’t live without!
Drop your favorites in the comments — let’s share knowledge and build better projects together. 🚀
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