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Explore Other Categories
Discover tools from different categories to expand your toolkit beyond Health.
Leap Year Calculator
Check if a year is a leap year or find the next leap year with our free calculator. Learn about leap year rules and why we need them.
Datetime
Text Character Reverser
Reverse the order of all characters in text. Create mirror text with this letter reverser tool.
Text
401(k) Calculator
Calculate 401(k) retirement savings with employer match and compound growth
Financial
MFA Middleware
Generate and validate TOTP codes for multi-factor authentication. Test 2FA/MFA implementations.
Cybersecurity