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+---
+title: upper
+# linktitle: upper
+description: Converts all characters in a string to uppercase
+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"
+```