Conversion Duck is a free Chrome extension developed by Kasper Kerajärvi. It falls under the category of Browsers and is specifically categorized as an Add-ons & Tools. This handy tool allows users to convert currency, length, mass, and temperature in a matter of seconds.

With Conversion Duck, users can enjoy quick and free conversions without any hassle. The interface is user-friendly and intuitive, making it easy for anyone to use. Whether you're a mouse user or prefer keyboard shortcuts, Conversion Duck is fully usable without a mouse.

One of the standout features of Conversion Duck is the ability to easily copy the result to the clipboard. This makes it convenient for users to quickly use the converted value in other applications or documents. Additionally, the extension offers toggleable result formatting, allowing users to customize the display according to their preferences.

Conversion Duck adapts to your device settings, using dark mode if it is enabled. The font size also scales depending on your browser's font size, ensuring optimal readability for all users.

It's worth noting that the exchange rates used by Conversion Duck are updated hourly via an internet connection. However, if you're offline or experiencing connection issues, older information may be used. Rest assured, Conversion Duck does not collect or sell your data, ensuring your privacy and security.

Overall, Conversion Duck is a reliable and efficient conversion tool that simplifies the process of converting currency, length, mass, and temperature. Its user-friendly interface, quick conversions, and customizable features make it a valuable addition to any Chrome browser.