Utime is a free Chrome add-on developed by Bill Dami that allows users to convert UNIX timestamps to human-readable dates and vice versa. With Utime, you can quickly and easily convert timestamps and dates as you type, making it convenient for developers and anyone working with UNIX timestamps.

One of the standout features of Utime is its ability to recognize and convert relative dates such as "now", "today", and "tomorrow". This feature, powered by the DateJS library, allows for quick conversions without having to manually enter specific dates.

Utime also offers additional options for customization, including input mode, timestamp unit (seconds or milliseconds), timezone, input date order, and date output format. These options make it easy to tailor the conversion process to your specific needs.

Overall, Utime is a handy tool for anyone working with UNIX timestamps. It provides a simple and efficient way to convert timestamps to dates and vice versa, with the added convenience of recognizing relative dates. The interface is user-friendly, and the additional customization options make it a versatile tool for developers and users alike.