diff --git a/types/loader-utils/index.d.ts b/types/loader-utils/index.d.ts
new file mode 100644
index 0000000000..ba6be659f1
--- /dev/null
+++ b/types/loader-utils/index.d.ts
@@ -0,0 +1,25 @@
+// Type definitions for loader-utils 1.1
+// Project: https://github.com/webpack/loader-utils#readme
+// Definitions by: Gyusun Yeom <https://github.com/Perlmint>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+/// <reference types="node" />
+
+import { loader } from "webpack";
+
+export interface InterpolateOption {
+    context?: string;
+    content?: string | Buffer;
+    regExp?: string | RegExp;
+}
+export interface OptionObject {
+    [key: string]: any;
+}
+export type HashType = "sha1" | "md5" | "sha256" | "sha512";
+export type DigestType = "hex" | "base26" | "base32" | "base36" | "base49" | "base52" | "base58" | "base62" | "base64";
+
+export function getOptions(loaderContext: loader.LoaderContext): OptionObject;
+export function parseQuery(optionString: string): OptionObject;
+export function stringifyRequest(loaderContext: loader.LoaderContext, resource: string): string;
+export function urlToRequest(url: string, root?: string): string;
+export function interpolateName(loaderContext: loader.LoaderContext, name: string, options?: any): string;
+export function getHashDigest(buffer: Buffer, hashType: HashType, digestType: DigestType, maxLength: number): string;
diff --git a/types/loader-utils/loader-utils-tests.ts b/types/loader-utils/loader-utils-tests.ts
new file mode 100644
index 0000000000..6ce002a5d1
--- /dev/null
+++ b/types/loader-utils/loader-utils-tests.ts
@@ -0,0 +1,80 @@
+import { loader } from "webpack";
+import { getOptions, parseQuery, stringifyRequest, urlToRequest, interpolateName, getHashDigest } from "loader-utils";
+
+parseQuery("?{data:{a:1},isJSON5:true}");
+
+function loader(this: loader.LoaderContext) {
+    getOptions(this);
+
+    stringifyRequest(this, "./test.js");
+    // "\"./test.js\""
+
+    stringifyRequest(this, ".\\test.js");
+    // "\"./test.js\""
+
+    stringifyRequest(this, "test");
+    // "\"test\""
+
+    stringifyRequest(this, "test/lib/index.js");
+    // "\"test/lib/index.js\""
+
+    stringifyRequest(this, "otherLoader?andConfig!test?someConfig");
+    // "\"otherLoader?andConfig!test?someConfig\""
+
+    stringifyRequest(this, "C:\\module\\test.js");
+    // "\"../../test.js\"" (on Windows, in case the module and the request are on the same drive)
+
+    stringifyRequest(this, "C:\\module\\test.js");
+    // "\"C:\\module\\test.js\"" (on Windows, in case the module and the request are on different drives)
+
+    stringifyRequest(this, "\\\\network-drive\\test.js");
+    // "\"\\\\network-drive\\\\test.js\"" (on Windows, in case the module and the request are on different drives)
+}
+
+urlToRequest("path/to/module.js"); // "./path/to/module.js"
+urlToRequest("~path/to/module.js"); // "path/to/module.js"
+urlToRequest("/path/to/module.js", "./root"); // "./root/path/to/module.js"
+urlToRequest("/path/to/module.js", "~"); // "path/to/module.js"
+
+function loader2(this: loader.LoaderContext) {
+// loaderContext.resourcePath = "/app/js/javascript.js"
+    interpolateName(this, "js/[hash].script.[ext]", { content: "" });
+    // => js/9473fdd0d880a43c21b7778d34872157.script.js
+
+    // loaderContext.resourcePath = "/app/page.html"
+    interpolateName(this, "html-[hash:6].html", { content: "" });
+    // => html-9473fd.html
+
+    // loaderContext.resourcePath = "/app/flash.txt"
+    interpolateName(this, "[hash]", { content: "" });
+    // => c31e9820c001c9c4a86bce33ce43b679
+
+    // loaderContext.resourcePath = "/app/img/image.gif"
+    interpolateName(this, "[emoji]", { content: "" });
+    // => 👍
+
+    // loaderContext.resourcePath = "/app/img/image.gif"
+    interpolateName(this, "[emoji:4]", { content: "" });
+    // => 🙍🏢📤🐝
+
+    // loaderContext.resourcePath = "/app/img/image.png"
+    interpolateName(this, "[sha512:hash:base64:7].[ext]", { content: "" });
+    // => 2BKDTjl.png
+    // use sha512 hash instead of md5 and with only 7 chars of base64
+
+    // loaderContext.resourcePath = "/app/img/myself.png"
+    // loaderContext.query.name =
+    interpolateName(this, "picture.png");
+    // => picture.png
+
+    // loaderContext.resourcePath = "/app/dir/file.png"
+    interpolateName(this, "[path][name].[ext]?[hash]", { content: "" });
+    // => /app/dir/file.png?9473fdd0d880a43c21b7778d34872157
+
+    // loaderContext.resourcePath = "/app/js/page-home.js"
+    interpolateName(this, "script-[1].[ext]", { regExp: "page-(.*)\\.js", content: "" });
+    // => script-home.js
+}
+
+const buffer = new Buffer("");
+const digestString = getHashDigest(buffer, "sha512", "hex", 32);
diff --git a/types/loader-utils/tsconfig.json b/types/loader-utils/tsconfig.json
new file mode 100644
index 0000000000..9b57f2b7b2
--- /dev/null
+++ b/types/loader-utils/tsconfig.json
@@ -0,0 +1,22 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "loader-utils-tests.ts"
+    ]
+}
diff --git a/types/loader-utils/tslint.json b/types/loader-utils/tslint.json
new file mode 100644
index 0000000000..3db14f85ea
--- /dev/null
+++ b/types/loader-utils/tslint.json
@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }