Hands-on dev blog & free tools for developers
For developers and tech learners: in-depth programming guides and browser-based dev tools. Completely free, no account required.
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Latest Posts
Regularly updated with practical content
Tailwind CSS v4: New Features and How to Migrate
Docker for Frontend Developers: Why and Where to Start
Writing Custom React Hooks: 8 Best Patterns
REST API vs tRPC: A Practical Comparison for Next.js
Using Zod for Form Validation in Next.js
Zustand: Simple State Management for React
Prompt Engineering for Developers: 10 Techniques
Free tools for developers
Run directly in your browser — no install, no account required
Dev & PM Prompt Builder
Generate structured prompts and developer context for Claude Code and AI coding assistants
Text Utilities
Transform, organize, format, and clean text with powerful utilities
Hash Generator
Generate MD5, SHA-1, SHA-256, and other cryptographic hashes
Color Picker
Advanced color picker with HEX, RGB, HSL, and palette generation
Image Resizer
Resize images while maintaining aspect ratio. Perfect for logos and thumbnails
API Tester
Send HTTP requests and inspect responses directly in your browser
Explore the complete free tool collection
JSON, CSV, images, HTTP testing, hashing, text utilities and more
Topics worth exploring
Browse articles by the topics that matter to you
AI & Prompt Engineering
Harness AI for programming — prompt engineering, Claude/GPT integrations, automating dev workflows.
Web Development
Next.js, React, TypeScript, modern CSS and techniques for building fast, maintainable web apps.
Dev Tools & Workflow
Reviews and guides for tools that help developers work more efficiently with less repetition.
Automation & Productivity
Automation scripts, CI/CD pipelines, project management and time-saving tips for developers.
Coding for Kids
Resources, games and guides to introduce children to computational thinking and problem solving.
Practical content you can apply — not just theory
atdev.blog focuses on in-depth content that saves readers time searching and lets them actually apply what they learn. We prioritize quality and usefulness over posting volume.
The site is built by a developer with the goal of sharing real knowledge, not SEO farming or thin content. If an article doesn't genuinely help readers, it shouldn't exist.
Learn more about usDeep, practical guides with real code examples — not short news blurbs or thin content
Each article has checklists, examples or step-by-step explanations so readers can apply it immediately
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