Easter Eggs#


Steve with a witch hat 🎃#

There are easter eggs in both the OptiFine website and in the OptiFine client. Some are only visible at certain dates, while others are still visible.


The OptiFine website returns standard HTTP headers.

In addition to the normal headers, the website also returns: x-clacks-overhead: GNU Terry Pratchett. X-Clacks-Overhead is an unofficial HTTP header to memorialize Terry Pratchett.


The header, shown in Firefox#

Special cosmetics#

Please see Special Cosmetics for more detail.

Special cosmetics are additional cosmetics that OptiFine may load.

Some cosmetics may be available under specific conditions, such as various special dates, or applying only to some players.


Extra cosmetics can be enabled and disabled under the Cape Change menu.#

Santa Hat#

Texture file

Texture resolution

Model file

Dates applied (YYYY/MM/DD)


96 x 26


2020/12/25 - 2020/12/31

On December 25th, 2020, a Santa hat was added to all donators’ heads. It was available until the end of year.

The same name (hat_santa) was reused for the Witch Hat, but the model and texture are different.


How the santa hat looks on a player#

“10” Cape#

See Anniversary Capes.

Witch Hat#

Texture file

Texture resolution

Model file

Dates applied (YYYY/MM/DD)



96 x 26


2021/10/30 - 2021/11/07


64 x 64


Actual witch’s hat, unused


How the hat looks on a player#

The witch hat is a gray hat applied to all donators automatically.

Its name is actually reused from hat_santa (Santa Hat). The original Witch’s Hat has an unknown use, but it is applied to sp614x.

It was first applied on October 30, 2021, and lasted until November 7, 2021; ~1 week.

🆚️ This documentation assumes the latest OptiFine version. Notes are not made for legacy versions (1.8).
🔙️ This documentation is updated to commit 8410499f.
©️ This file is offered without any copyright restrictions. Please copy and modify it to suit your needs. Credit is optional, but appreciated.