diff --git a/Cargo.toml b/Cargo.toml
index 1bb5a66..7e726f3 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,6 +18,7 @@ serde_json = "1.0.91"
 glob = "0.3.1"
 schemars = "0.8.10"
 framels = "0.4.0-rc.3"
+rayon = "1.7.0"
 
 [dependencies.rocket]
 version = "0.5.0-rc.3"
diff --git a/src/lib.rs b/src/lib.rs
index 1e5ff1c..9abb4ce 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -5,6 +5,7 @@ use rocket::serde::{json::Json, Deserialize, Serialize};
 use rocket_okapi::okapi::schemars;
 use rocket_okapi::okapi::schemars::JsonSchema;
 use std::fs;
+use rayon::prelude::*;
 
 /// get_walk is a function to walk the content of a directory and his
 /// subfolders
diff --git a/src/main.rs b/src/main.rs
index b5db454..d4eafa6 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -62,16 +62,16 @@ fn fwalk(input_path: Json<InputPath>, packed: Option<bool>) -> Json<QuietPaths>
 }
 #[openapi(tag = "FileSystem")]
 #[post("/walk/<n>", format = "application/json", data = "<input_path>")]
-fn fwalk_os(input_path: Json<InputPath>, n: String) -> Json<Paths> {
+fn fwalk_os(input_path: Json<InputPath>, n: String) -> Json<QuietPaths> {
     if n == "windows" {
         let path = InputPath::convert_to_unix(input_path);
-        Json(Paths::from_walk(path))
+        Json(QuietPaths::from_walk(path))
     } else {
-        Json(Paths::from_walk(input_path))
+        Json(QuietPaths::from_walk(input_path))
     }
 }
 #[openapi(tag = "FileSystem")]
-#[post("/listdir", format = "application/json", data = "<input_path>")]
+#[post("/listdir?<packed>", format = "application/json", data = "<input_path>")]
 /// # listdir
 ///
 /// ## Description