Every developer deserves a toolkit packed with powerful and efficient tools. This list includes unique, underrated websites that can help you code smarter, debug faster, and learn better in 2025.
Get insights into how much time you spend coding by language, project, or editor — perfect for productivity analysis.
Hover over any element and copy its full CSS instantly. Great for learning or replicating styles.
🔐 https://gchq.github.io/CyberChef
Perform encoding, decoding, encryption, and data analysis operations — all in your browser.
Run and host applications in over 50 languages. Collaborate in real-time and build full-stack projects in your browser.
An open-source browser to preview responsive websites across multiple screen sizes at once.
Test accessibility, responsiveness, and performance all in one professional developer browser.
🧪 https://devtools-snippets.github.io
Explore a collection of powerful code snippets you can run directly in your browser’s console.
Save and organize code snippets, bookmarks, and dev tools with tags and search functionality.
📜 https://github.com/google/zx
Simplify writing shell scripts using JavaScript. Ideal for automating tasks with cleaner syntax.
A beginner-friendly, interactive way to master regex step by step with instant feedback.
From automation to learning tools, these websites are essential for any modern developer in 2025. Bookmark them, try them, and supercharge your workflow!