diff --git a/types/tokgen/index.d.ts b/types/tokgen/index.d.ts
new file mode 100644
index 0000000000..50a1abf7b9
--- /dev/null
+++ b/types/tokgen/index.d.ts
@@ -0,0 +1,24 @@
+// Type definitions for tokgen 1.0
+// Project: https://github.com/maxtruxa/tokgen#readme
+// Definitions by: Jonas Lochmann <https://github.com/l-jonas>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+export = TokenGenerator;
+
+declare class TokenGenerator {
+  constructor(options?: TokenGenerator.Options);
+
+  generate(length?: number): string;
+  generate(length: number, callback: TokenGenerator.Callback): void;
+  generate(callback: TokenGenerator.Callback): void;
+}
+
+declare namespace TokenGenerator {
+  interface OptionsObject {
+    chars?: string;
+    length?: number;
+  }
+
+  type Options = number | string | OptionsObject;
+  type Callback = (error: any, token: string) => void;
+}
diff --git a/types/tokgen/tokgen-tests.ts b/types/tokgen/tokgen-tests.ts
new file mode 100644
index 0000000000..af3f384fcd
--- /dev/null
+++ b/types/tokgen/tokgen-tests.ts
@@ -0,0 +1,20 @@
+import * as TokenGenerator from 'tokgen';
+
+const generator1 = new TokenGenerator();
+const generator2 = new TokenGenerator('0-9a-f');
+const generator3 = new TokenGenerator({chars: '0-9a-f'});
+const generator4 = new TokenGenerator(8);
+const generator5 = new TokenGenerator({length: 8});
+const generator6 = new TokenGenerator({chars: '0-9a-f', length: 8});
+
+const token1 = generator1.generate();
+
+const token2 = generator1.generate(10);
+
+generator1.generate((error, token) => {
+  // nothing to do in this test
+});
+
+generator1.generate(8, (error, token) => {
+  // nothing to do in this test
+});
diff --git a/types/tokgen/tsconfig.json b/types/tokgen/tsconfig.json
new file mode 100644
index 0000000000..5a6995c482
--- /dev/null
+++ b/types/tokgen/tsconfig.json
@@ -0,0 +1,23 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "strictFunctionTypes": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "tokgen-tests.ts"
+    ]
+}
diff --git a/types/tokgen/tslint.json b/types/tokgen/tslint.json
new file mode 100644
index 0000000000..3db14f85ea
--- /dev/null
+++ b/types/tokgen/tslint.json
@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }