diff --git a/s3-uploader.d.ts b/s3-uploader.d.ts
new file mode 100644
index 000000000..215cb7df6
--- /dev/null
+++ b/s3-uploader.d.ts
@@ -0,0 +1,39 @@
+// Type definitions for s3-uploader
+// Project: https://www.npmjs.com/package/s3-uploader
+// Definitions by: COLSA Corporation <http://www.colsa.com/>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+//NOTE: Does require GM (https://github.com/aheckmann/gm) thus requires GraphicsMagick (http://www.graphicsmagick.org/) or ImageMagick (http://www.imagemagick.org/)
+
+declare module "s3-uploader" {
+    export = Upload;
+}
+interface S3UploaderVersion {
+    original?: boolean;
+    suffix?: string;
+    quality?: number;
+    maxWidth?: number;
+    maxHeight?: number;
+}
+
+interface S3UploaderOptions {
+    awsAccessKeyId?: string;
+    awsSecretAccessKey?: string;
+    awsBucketRegion?: string;
+    awsBucketPath?: string;
+    awsBucketAcl?: string;
+    awsMaxRetries?: number;
+    awsHttpTimeout?: number;
+    resizeQuality?: number;
+    returnExif?: boolean;
+    tmpDir?: string;
+    workers?: number;
+    url?: string;
+    versions?: S3UploaderVersion;
+}
+
+declare class Upload {
+    public constructor(awsBucketName: string, opts: S3UploaderOptions);
+
+    public upload(src: string, opts?: S3UploaderOptions, cb?: (err, images, meta) => void);
+}