#web-tools
▶@0xGoodfutureLow-key websites I quietly rely on
1) http://roadmap.sh
Gives you a brutally clear learning path for roles like frontend, backend, DevOps, etc
No fluff, just “learn this → then this → then this”.
2) http://playcode.io
An online playground to quickly test HTML, CSS, JS without setting up anything locally
Perfect for quick experiments and debugging ideas
3) http://usehooks.com
A collection of reusable React hooks with real use cases
Saves time and helps you avoid rewriting the same logic again and again
4) http://devhints.io
Concise cheat sheets for languages, frameworks, and tools. Ideal when you forget syntax and don’t want to read a 20-minute blog
5) http://jsoncrack.com
Turns messy JSON into a clean visual tree
Makes understanding large APIs and configs way easier than staring at raw text
6) http://realtimecolors.com
Lets you generate and preview color palettes instantly
Useful when you want decent UI colors without guessing or copying blindly
7) http://regex101.com
Build, test, and debug regex step by step with explanations Honestly, the fastest way to stop hating regex
8) http://bundlephobia.com
Shows how big an npm package really is before you install it
Helps you avoid bloating your app with “tiny” libraries
9) http://caniuse.com
Tells you which CSS/JS features actually work across browsers Essential before using shiny new features in production
10) http://toolbox.googleapps.com
Google’s own diagnostics tools for DNS, email, headers, and network issues
Surprisingly useful for debugging real-world problems
👉 Which one of these do you already use and which one did you not know existed?