> For the complete documentation index, see [llms.txt](https://sevenval.gitbook.io/flat/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://sevenval.gitbook.io/flat/reference/functions/md5.md).

# md5()

```
string md5(string input)
```

`md5` expects exactly one string parameter and returns a 32 digit hexadecimal representation of its [MD5 hash](https://en.wikipedia.org/wiki/MD5#MD5_hashes).