diff --git a/src/main/java/io/jsonwebtoken/impl/DefaultJws.java b/src/main/java/io/jsonwebtoken/impl/DefaultJws.java
index f1b4958b..fe83244c 100644
--- a/src/main/java/io/jsonwebtoken/impl/DefaultJws.java
+++ b/src/main/java/io/jsonwebtoken/impl/DefaultJws.java
@@ -44,4 +44,9 @@ public class DefaultJws<B> implements Jws<B> {
     public String getSignature() {
         return this.signature;
     }
+
+    @Override
+    public String toString() {
+        return "header=" + header + ",body=" + body + ",signature=" + signature;
+    }
 }
diff --git a/src/main/java/io/jsonwebtoken/impl/DefaultJwt.java b/src/main/java/io/jsonwebtoken/impl/DefaultJwt.java
index d5ed16c9..e09bd006 100644
--- a/src/main/java/io/jsonwebtoken/impl/DefaultJwt.java
+++ b/src/main/java/io/jsonwebtoken/impl/DefaultJwt.java
@@ -37,4 +37,9 @@ public class DefaultJwt<B> implements Jwt<Header,B> {
     public B getBody() {
         return body;
     }
+
+    @Override
+    public String toString() {
+        return "header=" + header + ",body=" + body;
+    }
 }
diff --git a/src/main/java/io/jsonwebtoken/impl/JwtMap.java b/src/main/java/io/jsonwebtoken/impl/JwtMap.java
index 7c2de6d4..40d21224 100644
--- a/src/main/java/io/jsonwebtoken/impl/JwtMap.java
+++ b/src/main/java/io/jsonwebtoken/impl/JwtMap.java
@@ -150,4 +150,9 @@ public class JwtMap implements Map<String,Object> {
     public Set<Entry<String, Object>> entrySet() {
         return map.entrySet();
     }
+
+    @Override
+    public String toString() {
+        return map.toString();
+    }
 }
diff --git a/src/test/groovy/io/jsonwebtoken/impl/DefaultJwsTest.groovy b/src/test/groovy/io/jsonwebtoken/impl/DefaultJwsTest.groovy
index 3acaf314..33f0d97a 100644
--- a/src/test/groovy/io/jsonwebtoken/impl/DefaultJwsTest.groovy
+++ b/src/test/groovy/io/jsonwebtoken/impl/DefaultJwsTest.groovy
@@ -17,6 +17,8 @@ package io.jsonwebtoken.impl
 
 import io.jsonwebtoken.JwsHeader
 import io.jsonwebtoken.Jwts
+import io.jsonwebtoken.SignatureAlgorithm
+import io.jsonwebtoken.impl.crypto.MacProvider
 import org.junit.Test
 import static org.junit.Assert.*
 
@@ -32,4 +34,15 @@ class DefaultJwsTest {
         assertEquals jws.getBody(), 'foo'
         assertEquals jws.getSignature(), 'sig'
     }
+
+    @Test
+    void testToString() {
+        //create random signing key for testing:
+        byte[] key = MacProvider.generateKey().encoded
+        String compact = Jwts.builder().claim('foo', 'bar').signWith(SignatureAlgorithm.HS256, key).compact();
+        int i = compact.lastIndexOf('.')
+        String signature = compact.substring(i + 1)
+        def jws = Jwts.parser().setSigningKey(key).parseClaimsJws(compact)
+        assertEquals 'header={alg=HS256},body={foo=bar},signature=' + signature, jws.toString()
+    }
 }
diff --git a/src/test/groovy/io/jsonwebtoken/impl/DefaultJwtTest.groovy b/src/test/groovy/io/jsonwebtoken/impl/DefaultJwtTest.groovy
new file mode 100644
index 00000000..e916e509
--- /dev/null
+++ b/src/test/groovy/io/jsonwebtoken/impl/DefaultJwtTest.groovy
@@ -0,0 +1,18 @@
+package io.jsonwebtoken.impl
+
+import io.jsonwebtoken.Jwt
+import io.jsonwebtoken.Jwts
+import org.junit.Test
+
+import static org.junit.Assert.assertEquals
+
+class DefaultJwtTest {
+
+    @Test
+    void testToString() {
+        String compact = Jwts.builder().setHeaderParam('foo', 'bar').setAudience('jsmith').compact();
+        Jwt jwt = Jwts.parser().parseClaimsJwt(compact);
+        assertEquals 'header={foo=bar, alg=none},body={aud=jsmith}', jwt.toString()
+    }
+
+}