diff --git a/bin/pdfoptim b/bin/pdfoptim
new file mode 100755
index 00000000..93522a29
--- /dev/null
+++ b/bin/pdfoptim
@@ -0,0 +1,36 @@
+#!/usr/bin/env bash
+
+# Compress pdf files using ghostscript.
+#
+# Defaults to 72 dpi.
+#
+# Usage:
+#   pdfoptim SRC [TARGET] [DPI]
+#
+# Requires: ghostscript (gs)
+
+optimize() {
+    # Adapted from Alfred Klomp's shrinkpdf script
+    # <http://alfredklomp.com/programming/shrinkpdf/>
+    gs -q -dNOPAUSE -dBATCH -dSAFER \
+        -sDEVICE=pdfwrite \
+        -dPDFSETTINGS=/screen \
+        -dCompatibilityLevel=1.3 \
+        -dEmbedAllFonts=true \
+        -dSubsetFonts=true \
+        -dAutoRotatePages=/None \
+        -dMonoImageResolution=$3 \
+        -dMonoImageDownsampleType=/Bicubic \
+        -dGrayImageResolution=$3 \
+        -dGrayImageDownsampleType=/Bicubic \
+        -dColorImageResolution=$3 \
+        -dColorImageDownsampleType=/Bicubic \
+        -sOutputFile="$2" \
+	    "$1"
+}
+
+SRC="$1"
+DEST="${2:--}"
+DPI="${3:-72}"
+
+optimize "$SRC" "$DEST" "$DPI" || exit $?