> For the complete documentation index, see [llms.txt](https://200ok.gitbook.io/200ok-documents/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://200ok.gitbook.io/200ok-documents/user-manual/built-in-functions/math/base64encode.md).

# base64Encode

The fx\_base64Encode function is a Standard function available in 200OK.

**Description**: 

Converts a UTF-8 string to its Base64-encoded representation. This is useful for encoding binary data or special characters in a text-safe format. 

**Syntax**: fx\_base64Encode(String)

**Example :** 

Here's how to use the function

<figure><img src="https://1271267903-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F899iGp7icc9A7KXck3HI%2Fuploads%2FNn15Uw9SCvhPCdTSyTXa%2FPicture%20(2).png?alt=media&amp;token=608488b7-202d-47dd-8ffb-0df07d468621" alt=""><figcaption></figcaption></figure>