---
title: strings.ToLower
description: Returns the given string, converting all characters to lowercase.
categories: []
keywords: []
action:
  aliases: [lower]
  related:
    - functions/strings/FirstUpper
    - functions/strings/Title
    - functions/strings/ToUpper
  returnType: string
  signatures: [strings.ToLower INPUT]
aliases: [/functions/lower]
---

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