Utilities

Frequency Converter

Convert between Hz, kHz, MHz, GHz, and period (s) instantly. Everything runs locally.

Hertz (Hz)

Kilohertz (kHz)

Megahertz (MHz)

Gigahertz (GHz)

Period (seconds)

T = 1/f

f = 1/T. Supports Hz ↔ kHz ↔ MHz ↔ GHz and period in seconds.

Part of

Everyday Utilities

A practical fallback suite for utility pages that are helpful but not part of a more specialized intent cluster.

Estimate monthly payments with taxes, insurance & amortization.

Days, weeks, months between two dates.

Body Mass Index from height & weight.

Add or remove sales tax from prices.

Calculators

Financial, health, planning, and everyday calculators organized in one suite.

Device & Browser Tools

Check webcams, input speed, timers, and browser-based device diagnostics.

Security & Privacy Tools

Password, encoding, decoding, and privacy-focused utilities.