Free Online Developer Tools
Essential utilities for developers, designers, and everyone. No signup required, no data stored, 100% free.
Available Tools
JSON Formatter & Validator
Format, validate, and beautify JSON data instantly. Supports minification and syntax highlighting.
Password Generator
Generate secure, random passwords with customizable length, symbols, and character types.
UUID Generator
Generate unique UUIDs (v4) instantly. Bulk generation supported for multiple IDs at once.
Lorem Ipsum Generator
Generate placeholder text for your designs. Choose paragraphs, sentences, or words.
QR Code Generator
Create QR codes for URLs, text, or any data. Download as PNG for easy sharing.
Why Use OneDevKit?
- 100% Free - No hidden costs, no premium tiers, no signup required.
- Privacy First - All processing happens in your browser. We don't store your data.
- Fast & Reliable - Lightweight tools that work instantly, even offline.
- Mobile Friendly - Works perfectly on any device, any screen size.
- No Ads (Yet) - Clean, distraction-free interface focused on productivity.
- Dark Mode - Easy on the eyes, perfect for late-night coding sessions.