Developer tools
Small browser-based utilities for common development tasks.
Free browser tools
Small tools for meaningful work.
Practical, private tools for the little jobs that get in your way.
Text tools
Simple tools for counting, cleaning up, and transforming text.
Calculators
Practical calculations for quick everyday answers.
Financial Calculators
Private browser-based calculators for discounts, debt-to-income ratios, credit cards, CAGR, compound interest, simple interest, mortgages, return on investment, savings goals, unit prices, rent versus buy, tax, loans, cost per wear, doubling time, and money estimates.
Date and time tools
Convert and work with dates, times, and timestamps.
Productivity tools
Private utilities that help with focused everyday work.
Social media tools
Useful tools for working with public social media content.
Health and fitness tools
Private browser-based tools for simple health and fitness estimates.
Utilities
Private browser-based utilities for quick everyday conversions, including time durations, temperatures, lengths, weights, areas, volumes, speeds, pressures, energy, power, torque, force, density, viscosity, acceleration, illuminance, luminance, magnetic flux density, magnetic flux, magnetic field strength, flow rates, electric currents, electric voltages, electric resistances, electric capacitances, electric inductances, electric conductances, electric charges, angles, frequencies, data transfer rates, fuel efficiency, data storage, number bases, and roman numerals.
Cart Abandonment Calculator
Calculate the cart abandonment rate from carts started and completed purchases locally in your browser.
Debt Payoff Calculator
Estimate debt payoff time, total interest, and extra-payment savings from balance, rate, and monthly payment locally in your browser.
Error Budget Calculator
Estimate allowed downtime and failed requests from an SLO target and compliance window locally in your browser.
Chmod Calculator
Convert file permissions between octal, symbolic, and chmod command formats locally in your browser.