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Free online security tools - password, QR code, hash, validator
Generate strong random passwords instantly
Create secure passwords with custom options
Check how strong your password is
Generate custom QR codes for any text or URL
Scan and read QR codes from images
Generate professional barcodes online free
Generate random numbers within any range
Find location and ISP of any IP address
Verify SSL certificate of any domain
Check domain ownership and registration details
Validate credit card numbers using Luhn algorithm
Generate random test credit card numbers
Check if an email address format is valid
Validate UUID format and version detection
Compare two hash values for equality
Generate random alphanumeric strings
Generate random MAC addresses for networking