Converters
Unit, color, and timezone conversions at your fingertips. Get instant results, no sign-up, fully browser-based and private.
Color Converter
Convert colors between HEX, RGB, HSL, and CMYK instantly in your browser. Free color picker and converter, 100% private.
Currency Converter
Convert between currencies with live exchange rates. Supports 30+ currencies, free and easy to use. Rates updated daily from ECB data.
Time Zone Converter
Convert time across time zones instantly. Compare world clocks, plan meetings, and calculate time differences. Free, private, no sign up.
Unit Converter
Convert length, weight, temperature, speed, volume, area, data, time, angle, pressure, energy and power units instantly in your browser. Free, private, no sign up.
Converters bridge the gap between different measurement systems, color formats, time zones, and currencies — the mismatches that slow down design work, international communication, and cross-border commerce. Designers constantly switch between hex, RGB, and HSL values. Remote teams schedule meetings across half a dozen time zones. Online shoppers and travelers need to know what a price in another currency actually costs in their own. These tools eliminate the mental math and the tab-switching to search engines, giving you precise conversions in real time. Because they run entirely in your browser, you get instant results even on the go, without waiting for server responses or handing your data to a third-party API.
How to Use
Pick the right converter based on what you are translating between. Use the unit-converter for physical measurements: converting kilometers to miles before a road trip, Celsius to Fahrenheit when reading a recipe from another country, or kilograms to pounds when checking luggage weight at the airport. It covers length, weight, temperature, volume, speed, and area. The color-converter is a must for anyone working with visual design or front-end code — switch between hex codes for CSS, RGB values for image editors, and HSL for programmatic color manipulation. It also shows a live preview so you can confirm the color at a glance. The timezone-converter is indispensable for distributed teams: enter a time in one zone and see the equivalent in every major city, making it easy to find meeting windows that do not require anyone to be awake at 3 AM. The currency-converter uses live exchange rates to show you the real cost of purchases, subscriptions, or invoices in foreign currencies, which is essential for freelancers working with international clients and travelers budgeting abroad.
Tips & Best Practices
These four converters share a common interface pattern — select a source, select a target, enter a value — but they differ in important ways. The unit-converter and color-converter are purely mathematical: they use fixed conversion formulas, so the results never change. The timezone-converter depends on the current date and time because daylight saving rules shift offsets throughout the year, which means the same city pair can have different offsets in summer versus winter. The currency-converter is the most dynamic of the four: exchange rates fluctuate constantly, so it fetches live data to ensure accuracy, and you should always check the timestamp on the rate if you are making a financial decision. A useful workflow for designers: use the color-converter alongside the unit-converter when building style guides. Convert your brand colors to every format you need, and convert your spacing and sizing units between px, rem, and pt for consistent cross-platform design specifications.