10 Must-Use Websites Every Developer Should Know in 2025
Whether you're a beginner coder or an experienced full-stack developer, having the right tools can significantly improve your workflow. Here’s a curated list of 10 incredibly useful websites that every developer should bookmark in 2025 for coding, debugging, testing, and more.
1. Stack Overflow – The Go-To Developer Q&A Community
Ask questions, find answers, and explore millions of discussions from fellow developers across all languages and frameworks.
2. DevDocs – Fast, Offline-Friendly API Documentation
Access lightning-fast documentation for HTML, CSS, JavaScript, Node.js, Python, and more – all in one place.
3. Carbon – Create Beautiful Code Snippets
Turn your code into stunning images for sharing on social media, blogs, or portfolios.
4. Can I use – Browser Compatibility Checker
Check which front-end web features are supported across different browsers and devices.
5. Regex101 – Test & Debug Regular Expressions
Write, test, and understand regular expressions with real-time explanations and match highlighting.
6. CodeSandbox – Online IDE for Web Development
Quickly prototype React, Vue, and other web projects right in your browser with zero setup.
7. JSON Formatter – Validate & Beautify JSON
Paste your JSON code to format it beautifully and debug issues with structure.
8. JSFiddle – Live HTML, CSS & JS Editor
Test snippets of HTML/CSS/JS code and share them with your team or community.
9. HTMHell – Learn Best Practices by Example
Explore bad HTML patterns to understand what not to do, and how to write clean, semantic markup.
10. Postman – API Testing Made Easy
Design, test, and document RESTful APIs with a powerful and user-friendly interface.
Final Thoughts
These tools are designed to help developers write cleaner code, debug faster, and stay productive. Bookmark them, and you'll always have powerful resources at your fingertips.