diff --git a/README.md b/README.md
index 8183ef1c4..4048c327d 100755
--- a/README.md
+++ b/README.md
@@ -235,6 +235,7 @@ List of Definitions
 * [Sugar](http://sugarjs.com/) (by [Josh Baldwin](https://github.com/jbaldwin/))
 * [Swiper](http://www.idangero.us/sliders/swiper) (by [Sebastián Galiano](https://github.com/sgaliano))
 * [SwipeView](http://cubiq.org/swipeview) (by [Boris Yankov](https://github.com/borisyankov))
+* [TV4](https://github.com/geraintluff/tv4) (by [Bart van der Schoor](https://github.com/Bartvds))
 * [Tags Manager](http://welldonethings.com/tags/manager) (by [Vincent Bortone](https://github.com/vbortone))
 * [Teechart](http://www.steema.com) (by [Steema](http://www.steema.com))
 * [three.js](http://mrdoob.github.com/three.js/) (by [Kon](http://phyzkit.net/))
diff --git a/tv4/tv4-tests.ts b/tv4/tv4-tests.ts
new file mode 100644
index 000000000..2768d9f5f
--- /dev/null
+++ b/tv4/tv4-tests.ts
@@ -0,0 +1,43 @@
+///<reference path="tv4.d.ts" />
+
+var str:string;
+var strArr:string[];
+var bool:boolean;
+var num:number;
+var obj:any;
+var tv4:TV4;
+var err:TV4Error;
+var errs:TV4Error[];
+var single:TV4SingleResult;
+var multi:TV4MultiResult;
+
+single = tv4.validateResult(obj, obj);
+bool = single.valid;
+strArr = single.missing;
+err = single.error;
+
+num = err.code;
+str = err.message;
+str = err.dataPath;
+str = err.schemaPath;
+
+multi = tv4.validateMultiple(obj, obj);
+bool = multi.valid;
+strArr = multi.missing;
+errs = multi.errors;
+
+bool = tv4.addSchema(str, obj);
+obj = tv4.getSchema(str);
+obj = tv4.normSchema(str, str);
+str = tv4.resolveUrl(str, str);
+
+tv4 = tv4.freshApi();
+tv4.dropSchemas();
+tv4.reset();
+
+strArr = tv4.getMissingUris(/abc/);
+strArr = tv4.getSchemaUris(/abc/);
+obj = tv4.getSchemaMap()[str];
+num = tv4.errorCodes['bla'];
+
+num = tv4.errorCodes['MY_NAME'];
diff --git a/tv4/tv4.d.ts b/tv4/tv4.d.ts
new file mode 100644
index 000000000..702d3c3bc
--- /dev/null
+++ b/tv4/tv4.d.ts
@@ -0,0 +1,47 @@
+// Type definitions for Tiny Validator tv4 1.0.6
+// Project: https://github.com/geraintluff/tv4
+// Definitions by: Bart van der Schoor <https://github.com/Bartvds>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+interface TV4ErrorCodes {
+	[key:string]:number;
+}
+interface TV4Error {
+	code:number;
+	message:string;
+	dataPath:string;
+	schemaPath:string;
+}
+interface TV4SchemaMap {
+	[uri:string]:any;
+}
+interface TV4BaseResult {
+	missing:string[];
+	valid:boolean;
+}
+interface TV4SingleResult extends TV4BaseResult {
+	error:TV4Error;
+}
+interface TV4MultiResult extends TV4BaseResult {
+	errors:TV4Error[];
+}
+interface TV4 {
+	validateResult(data:any, schema:any):TV4SingleResult;
+	validateMultiple(data:any, schema:any):TV4MultiResult;
+
+	addSchema(uri:string, schema:any):boolean;
+	getSchema(uri:string):any;
+	normSchema(schema:any, baseUri:string):any;
+	resolveUrl(base:string, href:string):string;
+	freshApi():TV4;
+	dropSchemas():void;
+	reset():void;
+
+	getMissingUris(exp?:RegExp):string[];
+	getSchemaUris(exp?:RegExp):string[];
+	getSchemaMap():TV4SchemaMap;
+	errorCodes:TV4ErrorCodes;
+}
+declare module "tv4" {
+export = TV4;
+}