diff --git a/index.d.ts b/index.d.ts
new file mode 100644
index 0000000..4922385
--- /dev/null
+++ b/index.d.ts
@@ -0,0 +1,39 @@
+/**
+ * Parses inline style to object.
+ *
+ * @example
+ * import StyleToObject from 'style-to-object';
+ * StyleToObject('line-height: 42;');
+ *
+ */
+
+declare var StyleToObject: (
+  style: string,
+  iterator?: StyleToObject.Iterator
+) => { [name: string]: any } | null;
+export = StyleToObject;
+
+declare namespace StyleToObject {
+  interface DeclarationPos {
+    line: number;
+    column: number;
+  }
+
+  // declaration is object from module `inline-style-parser`
+  interface Declaration {
+    type: string;
+    property: string;
+    value: string;
+    position: {
+      start: DeclarationPos;
+      end: DeclarationPos;
+      source: any;
+    };
+  }
+
+  type Iterator = (
+    property: string,
+    value: string,
+    declaration: Declaration
+  ) => void;
+}