ref: c9403cbceaaeff53ff4833561f4eefe1dc1a405e
dir: /content/en/functions/upper.md/
---
title: upper
# linktitle: upper
description: Converts all characters in a string to uppercase
godocref:
date: 2017-02-01
publishdate: 2017-02-01
lastmod: 2017-02-01
keywords: []
categories: [functions]
menu:
docs:
parent: "functions"
toc:
signature: ["upper INPUT"]
workson: []
hugoversion:
relatedfuncs: []
deprecated: false
draft: false
aliases: []
---
Note that `upper` can be applied in your templates in more than one way:
```
{{ upper "BatMan" }} → "BATMAN"
{{ "BatMan" | upper }} → "BATMAN"
```