diff --git a/txt/normalize.go b/txt/normalize.go
new file mode 100644
index 0000000..d664797
--- /dev/null
+++ b/txt/normalize.go
@@ -0,0 +1,17 @@
+// Copyright ©2016-2023 by Richard A. Wilkes. All rights reserved.
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, version 2.0. If a copy of the MPL was not distributed with
+// this file, You can obtain one at http://mozilla.org/MPL/2.0/.
+//
+// This Source Code Form is "Incompatible With Secondary Licenses", as
+// defined by the Mozilla Public License, version 2.0.
+
+package txt
+
+import "strings"
+
+// NormalizeLineEndings converts CRLF and CR into LF.
+func NormalizeLineEndings(input string) string {
+	return strings.ReplaceAll(strings.ReplaceAll(input, "\r\n", "\n"), "\r", "\n")
+}