diff --git a/package.json b/package.json
index e888269..5c7686e 100644
--- a/package.json
+++ b/package.json
@@ -20,6 +20,7 @@
     "url": "http://github.com/rubenv/pofile.git"
   },
   "main": "./lib/po",
+  "types": "./pofile.d.ts",
   "keywords": [
     "i18n",
     "l10n",
diff --git a/pofile.d.ts b/pofile.d.ts
new file mode 100644
index 0000000..0f291cc
--- /dev/null
+++ b/pofile.d.ts
@@ -0,0 +1,44 @@
+declare module "pofile" {
+    class PO {
+        public static parse(data: string): PO;
+        public static load(fileName: string, callback: (err: NodeJS.ErrnoException | null, po: PO) => void): void;
+
+        public comments: string[];
+        public extractedComments: string[];
+        public items: Item[];
+        public headers: Partial<IHeaders>
+
+        public save(filename: string, callback: (err?: NodeJS.ErrnoException) => void): void;
+        public toString(): string;
+    }
+
+    interface IHeaders {
+        'Project-Id-Version': string;
+        'Report-Msgid-Bugs-To': string;
+        'POT-Creation-Date': string;
+        'PO-Revision-Date': string;
+        'Last-Translator': string;
+        'Language': string;
+        'Language-Team': string;
+        'Content-Type': string;
+        'Content-Transfer-Encoding': string;
+        'Plural-Forms': string;
+    }
+
+    class Item {
+        public msgid: string;
+        public msgctxt?: string;
+        public references: string[];
+        public msgid_plural?: string;
+        public msgstr: string[];
+        public comments: string[];
+        public extractedComments: string[];
+        public flags: { [flag: string]: boolean | undefined }
+        private nplurals: number;
+        private obsolete: boolean;
+
+        public toString(): string;
+    }
+
+    export = PO;
+}