xDevTools - Free Online Utility Tools EN

xDevTools is a comprehensive, privacy-focused toolkit for developers offering over 1,000 free utility tools that run entirely in your browser.

🔐 **Security & Encryption Tools**
- AES-256-GCM, CBC encryption with PBKDF2 key derivation
- Secure local processing - no server uploads, total privacy
- Zero-knowledge architecture ensures your data never leaves your device

📊 **Checksum Calculators**
- Adler32, BSD Sum, CKSUM, CRC16, CRC24, CRC64
- Verify file integrity and data stream lengths instantly
- RFC 1950 and POSIX-compliant hash results

🔄 **Compression Utilities**
- Brotli compression and decompression
- High-speed local processing with zero uploads
- Perfect for optimizing web assets and API responses

⚙️ **Developer Features**
- Smart search across 1,000+ tools
- Favorites system for quick access
- Recent history tracking
- Customizable themes (Light, Dark, Auto)
- Adjustable layout density
- Right-click context menu integration

🔒 **Privacy First**
All tools run locally in your browser. No data is ever uploaded to servers, stored externally, or shared with third parties. Your sensitive data, encryption keys, and files remain completely private and secure on your device.

💻 **Perfect For**
Web developers, software engineers, security researchers, DevOps teams, and anyone needing quick access to essential developer utilities without compromising privacy.

Get instant access to professional-grade developer tools with xDevTools - where privacy meets productivity.