---
title: "WEBGL_compressed_texture_etc1 | JavaScript maps SDK"
description: "Documentation for MapTiler SDK"
---

> For AI agents: a documentation index is available at [/llms.txt](https://docs.maptiler.com/llms.txt). Markdown versions of all pages are available by appending .md to any URL.

# Interface WEBGL\_compressed\_texture\_etc1

The **`WEBGL_compressed_texture_etc1`** extension is part of the WebGL API and exposes the ETC1 compressed texture format.

[MDN Reference](https://developer.mozilla.org/docs/Web/API/WEBGL_compressed_texture_etc1)

interface WEBGL\_compressed\_texture\_etc1 {  
    [COMPRESSED\_RGB\_ETC1\_WEBGL](#compressed_rgb_etc1_webgl): 36196;  
}

##### Index

### Properties[](#properties)

[COMPRESSED\_RGB\_ETC1\_WEBGL](#compressed_rgb_etc1_webgl)

## Properties[](#properties-1)

### `Readonly`COMPRESSED\_RGB\_ETC1\_WEBGL[](#compressed_rgb_etc1_webgl)

COMPRESSED\_RGB\_ETC1\_WEBGL: 36196