diff --git a/modules/osx/README.md b/modules/osx/README.md
index 1f93a2c3..abb8c923 100644
--- a/modules/osx/README.md
+++ b/modules/osx/README.md
@@ -36,6 +36,8 @@ Functions
   - `osx-rm-dir-metadata` deletes .DS\_Store, \_\_MACOSX cruft.
   - `osx-ls-download-history` displays the macOS download history.
   - `osx-rm-download-history` deletes the macOS download history.
+  - `showfiles` show hidden files in Finder.
+  - `hidefiles` hide hidden files from Finder.
 
 Authors
 -------
diff --git a/modules/osx/functions/hidefiles b/modules/osx/functions/hidefiles
new file mode 100644
index 00000000..aa04325e
--- /dev/null
+++ b/modules/osx/functions/hidefiles
@@ -0,0 +1,3 @@
+# Hide hidden files from Finder.
+defaults write com.apple.finder AppleShowAllFiles NO
+killall Finder
diff --git a/modules/osx/functions/showfiles b/modules/osx/functions/showfiles
new file mode 100644
index 00000000..603d2822
--- /dev/null
+++ b/modules/osx/functions/showfiles
@@ -0,0 +1,3 @@
+# Show hidden files in Finder.
+defaults write com.apple.finder AppleShowAllFiles YES
+killall Finder