Quickly and easily generate individual or bulk sets of universally unique identifiers (UUIDs).
Our popular service for generating universally unique identifiers (UUIDs). You can generate individual UUIDs or bulk sets of UUIDs for download or display on the site. We also include an API, and our Developer’s Corner where you can learn how to generate UUIDs in your code.
Find matching paint colors between major paint manufacturers such as Behr, Sherwin-Williams, PPG, Benjamin Moore, Valspar, and Farrow and Ball
View popular paint colors, search for colors by name or hex codes. Then compare the color you want with the closest matching paints at the major paint manufacturers.
Use our online distance conversion tool to convert Miles (mi) to Kilometers (km) with many other distance conversions available.
Quickly enter the distance to convert, then select the distance units for the conversion. We support 10 different distance units.
Open-source Java libraries for various purposes.