bigWig format is a binary data format created in 2009.

The bigWig format is the recommended format for almost all graphing track needs. The bigWig format is useful for dense, continuous data that will be displayed in the Genome Browser as a graph. BigWig files are created from wiggle (wig) type files using the program wigToBigWig. bigWig files are indexed binary files.

• bigWig format first developed in University of California, Santa Cruz
• Read more about bigWig format on the web: 1.