diff --git a/.aliases b/.aliases
index cf4cf0d..29c0c35 100644
--- a/.aliases
+++ b/.aliases
@@ -54,3 +54,10 @@ alias update='sudo softwareupdate -i -a; brew update; brew upgrade; brew cleanup
 
 # Merge some PDFs, usage: pdfmerge file1.pdf file2.pdf
 alias pdfmerge='/System/Library/Automator/Combine\ PDF\ Pages.action/Contents/Resources/join.py -o output.pdf'
+
+# Generates a localhost certificate (localhost.key and localhost.crt)
+alias genlocalhostcert='openssl req -x509 -out localhost.crt -keyout localhost.key \
+  -newkey rsa:2048 -nodes -sha256 \
+  -subj ''/CN=localhost'' -extensions EXT -config <( \
+   printf "[dn]\nCN=localhost\n[req]\ndistinguished_name = dn\n[EXT]\nsubjectAltName=DNS:localhost\nkeyUsage=digitalSignature\nextendedKeyUsage=serverAuth")'
+