Free tools. Just the numbers.

Single-purpose calculators and converters that get you the answer immediately — no account, no forced contact form, no waiting.

Tech

Get network address, broadcast address, subnet mask, wildcard mask, and usable host range from an IPv4 address and CIDR prefix or mask.

Finance

Enter home price, down payment, rate, and term to get your monthly payment, total interest, and total loan cost — instantly.

Coming soon

Pick a time and see it across every timezone your team is in, side by side.

Coming soon

Enter gross salary and state to see net pay after federal, state, and FICA deductions.

Coming soon

Daily calorie needs and a protein/carb/fat split based on your goal.

Coming soon

Enter your letters, get every valid word you can spell, sorted by length.