About FreeCalTools

FreeCalTools (freecaltools.com) is a collection of 24 free online calculators and tools for finance, developers and everyday life.

Our principles

• Free forever — every tool is free to use, with no accounts, no paywalls and no usage limits.
• Private by design — all calculations run locally in your browser. Your data, files and images never leave your device.
• Fast — no server round-trips. Tools respond instantly because everything happens on your machine.

Contact

Questions, feedback or tool requests? Email us at hello@freecaltools.com.