Top 15 Websites Every Developer Should Bookmark in 2026
Top 15 Websites Every Developer Should Bookmark in 2026
Developer workspace with multiple monitors showing code
The difference between a productive developer and a frustrated one often comes down to knowing the right resources. Over the years, we have seen countless "must-have tools" lists, but most of them are padded with niche tools you will never use.
This list is different. These are the 15 websites you will actually open every week -- the ones that solve real problems, save real time, and make you genuinely better at your job.
No fluff. No affiliate links. Just the tools and resources that have earned their place in our bookmarks bar.
Documentation and Reference
1. MDN Web Docs
MDN is the single best reference for web technologies. HTML, CSS, JavaScript, Web APIs -- if you work on the web, MDN is your bible.
- •Comprehensive and accurate documentation maintained by Mozilla and the community
- •Interactive examples you can edit and run in the browser
- •Browser compatibility tables showing support across every major browser
- •Guides and tutorials for beginners and advanced developers alike
> Forget W3Schools for anything beyond the most basic lookups. MDN is the authoritative source.
2. DevDocs
DevDocs combines documentation from dozens of languages and frameworks into a single, fast, searchable interface. It works offline too.
- •Search across React, Python, Node.js, Ruby, Go, Rust, and 400+ other docs simultaneously
- •Offline mode -- download docs for airplane coding sessions
- •Keyboard-driven navigation for speed
- •Dark mode that does not strain your eyes at 2am
3. Can I Use
Before using any CSS property, HTML element, or JavaScript API, check Can I Use. It shows browser support data with visual tables that tell you instantly whether a feature is safe to use in production.
Code Playgrounds and Testing
4. CodePen
CodePen is the best place to prototype front-end ideas quickly. Write HTML, CSS, and JavaScript with live preview. The community aspect is incredible for inspiration.
- •Live preview as you type
- •Hundreds of thousands of public pens to learn from and fork
- •Asset hosting for images, fonts, and libraries
- •Collections to organize your experiments
5. StackBlitz
StackBlitz is a full IDE in your browser. It runs Node.js entirely in the browser using WebContainers, which means you can spin up React, Vue, Angular, or Next.js projects instantly -- no local setup required.
- •Full Node.js environment running in the browser
- •npm package support -- install any package
- •GitHub integration -- open any repo directly
- •Blazing fast cold starts (under 2 seconds)
6. Regex101
If you write regex without Regex101, you are wasting time. It provides real-time matching, detailed explanations of every part of your pattern, and a library of community patterns.
- •Real-time match highlighting as you type
- •Explanation panel that breaks down every character in your regex
- •Unit test your patterns against multiple strings
- •Save and share patterns with your team
AI-Powered Development
7. GitHub Copilot
GitHub Copilot has become indispensable. It autocompletes code, generates functions from comments, writes tests, and explains unfamiliar code. The free tier covers most individual developer needs.
- •Code completion that understands context across your entire project
- •Chat interface for asking coding questions
- •Works in VS Code, JetBrains, Neovim, and more
- •Free for verified students, teachers, and open-source maintainers
8. Claude / ChatGPT
Every developer should have both Claude (by Anthropic) and ChatGPT (by OpenAI) bookmarked. Use them for:
- •Debugging -- paste an error message and get an explanation with fixes
- •Code review -- get feedback on your code
- •Learning -- ask it to explain concepts with examples
- •Boilerplate generation -- scaffold projects, configs, and documentation
- •Regex and SQL -- describe what you want in English, get working code
> Pro tip: Try the same question on both Claude and ChatGPT. They have different strengths, and comparing outputs gives you better results. For more AI tools, check out our AI Hub.
Collaboration and Version Control
9. GitHub
This one is obvious, but it deserves mentioning because GitHub is more than just git hosting now:
- •GitHub Actions -- free CI/CD for public repos (and generous limits for private)
- •GitHub Codespaces -- full VS Code in the browser with your repo
- •GitHub Discussions -- Q&A and community for your projects
- •GitHub Pages -- free static site hosting
- •Dependabot -- automatic security updates for your dependencies
10. Vercel
Vercel is the fastest way to deploy a web project. Push to git, and your site is live in seconds. The free tier is incredibly generous.
- •Automatic deployments from GitHub, GitLab, or Bitbucket
- •Preview deployments for every pull request
- •Edge functions and serverless APIs
- •Built-in analytics and speed insights
- •Custom domains with automatic SSL
Design and Assets
11. Figma
Even if you are not a designer, Figma is essential for modern web development. It is where designers create the mockups you will build, and understanding Figma makes developer-designer collaboration 10x smoother.
- •Free for up to 3 projects with unlimited collaborators
- •Dev Mode extracts CSS, measurements, and assets automatically
- •Community templates and UI kits save hours of design work
- •Real-time collaboration with your team
12. Unsplash
Free, high-quality stock photos with no attribution required. Every developer building websites needs good images, and Unsplash is the go-to source.
- •Millions of photos across every category
- •Free for commercial use -- no strings attached
- •API available for programmatic access
- •Curated collections for specific themes
Utilities and Productivity
13. FreeApexGears
This is our own collection of free developer and creator tools, and we built it because we were tired of hunting for reliable, ad-free utilities. Everything runs in the browser with no sign-up required.
- •JSON Formatter -- format, validate, and beautify JSON instantly
- •Image Compressor -- compress images for web without quality loss
- •QR Code Generator -- create QR codes for URLs, text, Wi-Fi, and more
- •Background Remover -- remove image backgrounds with AI
- •Resume Builder -- create professional resumes for your next job
- •Speed Test -- check your internet connection speed
- •Games -- take a brain break between coding sessions
All tools are free, run client-side (your data never leaves your browser), and have zero ads.
14. Hoppscotch
Hoppscotch is the open-source alternative to Postman for API testing. It is lightweight, fast, and runs entirely in the browser.
- •REST, GraphQL, WebSocket, and SSE testing
- •Collections and environments for organized API testing
- •Team collaboration features
- •No account required for basic use
- •Self-hostable for enterprise use
15. Excalidraw
Excalidraw is a virtual whiteboard for sketching diagrams, system architectures, flowcharts, and wireframes. The hand-drawn style looks great in documentation and presentations.
- •Real-time collaboration -- share a link and draw together
- •Library of shapes and icons for common diagram elements
- •Export to PNG, SVG, or clipboard
- •Works offline as a PWA
- •End-to-end encrypted collaboration
Honorable Mentions
These did not make the top 15, but they are worth knowing about:
- •npm trends -- Compare npm package popularity and downloads
- •Bundlephobia -- Check the size of any npm package before installing
- •CSS Tricks -- In-depth CSS articles and guides
- •Smashing Magazine -- Web design and development articles
- •daily.dev -- Personalized developer news feed
- •roadmap.sh -- Community-driven developer roadmaps for every tech stack
- •The Odin Project -- Free, comprehensive web development curriculum
How to Organize Your Bookmarks
Having great resources means nothing if you cannot find them when you need them. Here is how we organize ours:
- 1Create bookmark folders by category -- "Docs," "Tools," "Design," "AI," "Learning"
- 2Put daily-use sites on the bookmarks bar -- MDN, GitHub, your IDE, and your AI chat tool
- 3Use browser profiles -- Separate work bookmarks from personal ones
- 4Review quarterly -- Remove sites you have not visited in 3 months and add new discoveries
The Bottom Line
You do not need a hundred bookmarks. You need the right fifteen. These are the sites that we reach for every day -- the ones that have proven their value over years of building software.
Bookmark these, organize them, and use them. Your future self debugging at midnight will thank you.
Found this useful? Check out our blog for more developer resources, tutorials, and tool roundups. And do not forget to explore our free developer tools -- they might just earn a spot in your bookmarks too.