diff --git a/index.d.ts b/index.d.ts
new file mode 100644
index 0000000..a280c90
--- /dev/null
+++ b/index.d.ts
@@ -0,0 +1,23 @@
+export declare type TinySDFOptions = {
+    fontSize?: number;
+    buffer?: number;
+    radius?: number;
+    cutoff?: number;
+    fontFamily?: string;
+    fontWeight?: string;
+    fontStyle?: string;
+};
+
+export default class TinySDF {
+    constructor(options: TinySDFOptions);
+    draw(char: string): {
+        data: Uint8ClampedArray;
+        width: number;
+        height: number;
+        glyphWidth: number;
+        glyphHeight: number;
+        glyphTop: number;
+        glyphLeft: number;
+        glyphAdvance: any;
+    };
+}
diff --git a/package.json b/package.json
index c4aa568..42c20ac 100644
--- a/package.json
+++ b/package.json
@@ -5,6 +5,7 @@
   "type": "module",
   "main": "index.js",
   "exports": "./index.js",
+  "typings": "./index.d.ts",
   "scripts": {
     "pretest": "eslint index.js index.html test",
     "test": "node test/test.js",