🔒 Security Tools
Free Online Security Tools
Generate strong passwords, check password strength, create cryptographic hashes and build QR codes — all free and browser-based. Your data never leaves your device.
4Free Tools
0Server Uploads
100%Private & Free
All Security Tools
Password Generator
Generate strong, random passwords with customisable length, uppercase, numbers and symbols. Auto-saves your preferences.
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Password Strength Checker
Instantly analyse any password with a visual strength meter, entropy score and actionable improvement tips.
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Hash Generator
Generate MD5, SHA-1, SHA-256 and SHA-512 hashes of any text string. All computed entirely in the browser.
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QR Code Generator
Turn any text or URL into a scannable QR code. Customise size and error correction. Download as PNG or SVG.
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Why Use ToolZeel Security Tools?
🔐 100% Client-Side Security
- All hashing uses the native Web Crypto API
- Password generation uses
crypto.getRandomValues()for true randomness - QR codes rendered entirely with JavaScript — no server contact
- Your passwords and secrets never leave your browser
- No accounts, no sign-ups, no data retention
🛡️ What You Can Do
- Create unique, cryptographically random passwords for every account
- Audit existing passwords for entropy and strength weaknesses
- Verify data integrity with SHA-256 or MD5 checksums
- Generate QR codes for URLs, contact cards or Wi-Fi credentials
- Hash text for database storage or API key generation