diff --git a/cmd/clef/tests/testsigner.js b/cmd/clef/tests/testsigner.js
new file mode 100644
index 0000000000..75aa8a387a
--- /dev/null
+++ b/cmd/clef/tests/testsigner.js
@@ -0,0 +1,46 @@
+// This file is a test-utility for testing clef-functionality
+// Start geth with
+//
+// build/bin/geth --nodiscover --maxpeers 0 --signer http://localhost:8550 console --preload=cmd/clef/tests/testsigner.js
+//
+// and in the console simply invoke
+//
+// > test()
+//
+// You can reload the file via `reload()`
+
+function reload(){
+	loadScript("./cmd/clef/tests/testsigner.js");
+}
+function init(){
+    accts = eth.accounts
+    console.log("Got accounts ", accts);
+}
+init()
+function testTx(){
+    if( accts && accts.length > 0) {
+        var a = accts[0]
+        var r = eth.signTransaction({from: a, to: a, value: 1, nonce: 1, gas: 1, gasPrice: 1})
+   		console.log("signing response", r)
+    }
+}
+function testSignText(){
+    if( accts && accts.length > 0){
+        var a = accts[0]
+        var r = eth.sign(a, "0x68656c6c6f20776f726c64"); //hello world
+        console.log("signing response",  r)
+    }
+
+}
+function test(){
+	try{
+		testTx()
+    }catch(err){
+		console.log(err)
+	}
+    try{
+        testSignText()
+    }catch(err){
+        console.log(err)
+    }
+}