HSTS Header Builder
Configure HTTP Strict Transport Security headers with preload eligibility checking and max-age recommendations.
Related Tools
Password Generator
Generate strong, random passwords with customizable length, character sets, and complexity requirements.
Password Strength Checker
Analyze password strength with entropy scoring, crack-time estimates, and improvement suggestions.
Random String Generator
Create cryptographically random strings for API keys, tokens, salts, and unique identifiers.
QR Code Generator
Create QR codes for URLs, text, Wi-Fi credentials, vCards, and more with customizable size and colors.
QR Code Reader
Scan and decode QR codes from uploaded images or your device camera to extract embedded data.
File Checksum Calculator
Compute MD5, SHA-1, SHA-256, and SHA-512 checksums to verify file integrity and detect tampering.