image/x-png

This type has been deprecated in favor of one of it's alternatives. While you should likely still support it, it should not be your first choice if assigning a MIME type.

Instead please use image/png

Portable Network Graphics (PNG) was devised starting in a discussion on newsgroup comp.graphics in 1995, with the first version of its specification released in 1996. The motivation for its creation was to create a free and unencumbered image format in the wake of the patent issue with GIF.


Used in file types

  • .png

This type may also appear as

Further reading

  1. Internet Assigned Numbers Authority (IANA)

  2. Let's Solve the File Format Problem!