Are you tired of searching for reliable online tools every time you need to format JSON, generate a password, or convert a color code? I built a free collection of 49+ developer tools that work instantly in your browser — no signup, no installation, no cost.
Here are my top 10 picks every developer should bookmark:
1. JSON Formatter & Validator
Paste messy JSON and get it beautifully formatted in one click. Also validates your JSON and highlights errors instantly.
2. Password Generator
Generate strong, secure passwords with custom length, symbols, numbers, and uppercase letters. Perfect for creating passwords for new accounts or testing.
3. Base64 Encoder & Decoder
Encode text or files to Base64, or decode Base64 strings back to readable text. Essential for API work and data encoding.
4. Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes instantly. Great for verifying file integrity and security testing.
5. CSS Minifier
Paste your CSS and get a minified version instantly. Removes whitespace and comments to reduce file size and improve page load speed.
6. QR Code Generator
Create QR codes for any URL, text, or WiFi credentials. Download in high quality PNG format instantly.
7. Markdown Editor
Write Markdown with live preview side by side. Export to HTML or download your file. Perfect for README files and documentation.
8. Color Converter
Convert colors between HEX, RGB, HSL, and CMYK formats. Generate random colors and copy any format with one click.
9. Unit Converter
Convert between 500+ units across 20+ categories including length, weight, temperature, data storage, speed, and more.
10. Word Counter
Count words, characters, sentences, and paragraphs. Also shows estimated reading time and keyword density — perfect for bloggers and SEO.
Bonus Tools
Can't stop at 10! Here are a few more worth bookmarking:
- HTML Encoder/Decoder → Try it free
- JSON to CSV Converter → Try it free
- Text Converter → Try it free
- Lorem Ipsum Generator → Try it free
- BMI Calculator → Try it free
- Age Calculator → Try it free
- Loan Calculator → Try it free
- Percentage Calculator → Try it free
Why I Built These Tools
As a Flutter and Next.js developer, I was constantly switching between different websites for basic tasks. So I built one place with all the tools I use daily — fast, free, and privacy-friendly since everything runs in your browser with no data sent to any server.
What makes these tools different?
- ✅ No signup required
- ✅ Everything runs in your browser
- ✅ Mobile friendly
- ✅ Completely free forever
All 49+ tools are available at 👉 rehmanfarouq.site/tools
If you find them useful, share with your developer friends! 🚀
About the Author
I am Rehman Farouq, a Flutter and Next.js developer from Pakistan. I build mobile and web applications and share tutorials on modern development.
🌐 Portfolio & Tools
📝 Blog & Tutorials
Follow me on DEV for more Flutter and Next.js tutorials every week!
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