diff --git a/src/buf/byte.rs b/src/buf/byte.rs
index ed73bbd..5149b96 100644
--- a/src/buf/byte.rs
+++ b/src/buf/byte.rs
@@ -1,4 +1,4 @@
-use {Buf, BufMut, BytesMut};
+use {Buf, BufMut, Bytes, BytesMut};
 
 use std::{cmp, fmt};
 
@@ -186,6 +186,19 @@ impl BufMut for ByteBuf {
     }
 }
 
+impl From<ByteBuf> for Bytes {
+    fn from(src: ByteBuf) -> Bytes {
+        let bytes = BytesMut::from(src);
+        bytes.freeze()
+    }
+}
+
+impl From<ByteBuf> for BytesMut {
+    fn from(src: ByteBuf) -> BytesMut {
+        src.mem
+    }
+}
+
 impl fmt::Debug for ByteBuf {
     fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
         self.bytes().fmt(fmt)
diff --git a/src/bytes.rs b/src/bytes.rs
index 2e074f9..c9239a2 100644
--- a/src/bytes.rs
+++ b/src/bytes.rs
@@ -166,6 +166,12 @@ impl ops::Deref for Bytes {
     }
 }
 
+impl From<BytesMut> for Bytes {
+    fn from(src: BytesMut) -> Bytes {
+        src.freeze()
+    }
+}
+
 impl From<Vec<u8>> for Bytes {
     fn from(src: Vec<u8>) -> Bytes {
         BytesMut::from(src).freeze()