---
title: strings.ToLower
description: Returns the given string, converting all characters to lowercase.
categories: []
keywords: []
params:
  functions_and_methods:
    aliases: [lower]
    returnType: string
    signatures: [strings.ToLower STRING]
aliases: [/functions/lower]
---

```go-html-template
{{ lower "BatMan" }} → batman
```
