diff --git a/src/main.rs b/src/main.rs
index ff7984f..2a67a7e 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -8,11 +8,14 @@ use std::{
 fn main() {
   let mut src_path = String::from("./src");
   let mut dist_path = String::from("./dist");
+  let mut min = false;
   for arg in std::env::args() {
     if let Some(s) = arg.strip_prefix("--path=") {
       src_path = String::from(s);
     } else if let Some(s) = arg.strip_prefix("--target=") {
       dist_path = String::from(s);
+    } else if arg == "-min" {
+      min = true;
     }
   }
 
@@ -21,7 +24,7 @@ fn main() {
   let dist_path = PathBuf::from(dist_path);
   let _ = std::fs::create_dir_all(&dist_path);
   let dist_path = dist_path.canonicalize().unwrap();
-  convert_all(&src_path, &dist_path)
+  convert_all(&src_path, &dist_path, min)
 }
 
 fn opts() -> Options {
@@ -37,7 +40,7 @@ fn opts() -> Options {
   }
 }
 
-fn convert_all(src_path: &Path, dist_path: &Path) {
+fn convert_all(src_path: &Path, dist_path: &Path, minimize: bool) {
   let head_path = src_path.join(".head");
   let head = std::fs::read_to_string(head_path).unwrap_or_default();
   for entry in ignore::Walk::new(src_path) {
@@ -56,9 +59,9 @@ fn convert_all(src_path: &Path, dist_path: &Path) {
       .unwrap_or_default();
     match extension {
       "md" => convert_md(file, src_path, dist_path, &head),
-      "css" => convert_css(file, src_path, dist_path),
-      "js" => convert_js(file, src_path, dist_path),
-      "json" => convert_json(file, src_path, dist_path),
+      "css" if minimize => convert_css(file, src_path, dist_path),
+      "js" if minimize => convert_js(file, src_path, dist_path),
+      "json" if minimize => convert_json(file, src_path, dist_path),
       _ => copy(file, src_path, dist_path),
     }
     .unwrap();