Free Online Tools for Conversions, Calculations & Utilities

Fast, accurate, and easy-to-use tools. No sign-up required.

Categories

Convert between units, measurements, and formats.

Fast, accurate calculators for everyday tasks.

Time zones, dates, durations, and clocks.

Manipulate, count, and transform text.

Generate passwords, QR codes, UUIDs and more.

Recently added

Break-Even Calculator

Calculate break-even units.

QR Code Generator

Generate QR codes from any text or URL.

Color Palette Generator

Generate random color palettes.

EBITDA Calculator

Calculate Earnings Before Interest, Taxes, Depreciation, and Amortization to evaluate your company's core operating performance.

E-commerce Profit & ROAS Calculator

Calculate your net profit after ad spend, COGS, and platform fees to determine your true ROAS and break-even points.

ROI Calculator for Marketing Ads

Calculate the Return on Investment (ROI) and Return on Ad Spend (ROAS) for your digital marketing campaigns.

Time Zone Converter

Convert times between time zones.

Countdown Timer

Countdown to any date/time.

Meeting Planner

Plan meetings across time zones.

Millimeters to Centimeters

Convert millimeters (mm) to centimeters (cm).

World clock across multiple time zones.

Current Time by City

Show current time in major cities.