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Discover tools from different categories to expand your toolkit beyond DateTime.
Blacklist Checker
Check if an IP address is listed on any spam or security blacklists with our free online blacklist checker tool. Verify your email server's reputation.
Network
HbA1c Calculator
Convert HbA1c values between units and determine average blood glucose levels for diabetes management and monitoring.
Health
Hydration & Water Intake Tracker
Track daily water intake and monitor hydration levels. Calculate optimal fluid needs based on activity, climate, and individual factors for proper hydration.
Recipe Nutrition Lab
Mortgage Refinance Calculator
Calculate refinance savings, break-even point, and compare current vs new mortgage
Financial