diff --git a/src/main/java/net/woggioni/jwo/JWO.java b/src/main/java/net/woggioni/jwo/JWO.java
index db87ab9..f26b051 100644
--- a/src/main/java/net/woggioni/jwo/JWO.java
+++ b/src/main/java/net/woggioni/jwo/JWO.java
@@ -20,10 +20,22 @@ import java.util.stream.StreamSupport;
 
 @Slf4j
 public class JWO {
-    public static <T> Stream<T> iterable2stream(Iterable<T> iterable) {
+    public static <T> Stream<T> iterable2Stream(Iterable<T> iterable) {
         return StreamSupport.stream(iterable.spliterator(), false);
     }
 
+    public static <T> Stream<T> iterable2ParallelStream(Iterable<T> iterable) {
+        return StreamSupport.stream(iterable.spliterator(), true);
+    }
+
+    public static <T> Stream<T> iterator2Stream(Iterator<T> it) {
+        return iterable2Stream(() -> it);
+    }
+
+    public static <T> Stream<T> iterator2ParallelStream(Iterator<T> it) {
+        return iterable2ParallelStream(() -> it);
+    }
+
     @SneakyThrows
     public static void writeObject2File(Path file, Object o) {
         try (Writer writer = new OutputStreamWriter(new FileOutputStream(file.toString()))) {