diff --git a/html-minifier/html-minifier-tests.ts b/html-minifier/html-minifier-tests.ts
new file mode 100644
index 000000000..b02ecea19
--- /dev/null
+++ b/html-minifier/html-minifier-tests.ts
@@ -0,0 +1,9 @@
+/// <reference path="html-minifier.d.ts" />
+
+import * as HTMLMinifier from 'html-minifier';
+const minify = HTMLMinifier.minify;
+
+var result = minify('<p title="blah" id="moo">foo</p>', {
+  removeAttributeQuotes: true
+});
+result; // '<p title=blah id=moo>foo</p>'
diff --git a/html-minifier/html-minifier.d.ts b/html-minifier/html-minifier.d.ts
new file mode 100644
index 000000000..9557de890
--- /dev/null
+++ b/html-minifier/html-minifier.d.ts
@@ -0,0 +1,115 @@
+// Type definitions for HTMLMinifier v1.1.1
+// Project: https://github.com/kangax/html-minifier
+// Definitions by: Tanguy Krotoff <https://github.com/tkrotoff>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+/// <reference path="../uglify-js/uglify-js.d.ts" />
+/// <reference path="../clean-css/clean-css.d.ts" />
+/// <reference path="../relateurl/relateurl.d.ts" />
+
+declare module 'html-minifier' {
+  import * as UglifyJS from 'uglify-js';
+  import * as CleanCSS from 'clean-css';
+  import * as RelateUrl from 'relateurl';
+
+  namespace HTMLMinifier {
+    function minify(text: string, options?: Options): string;
+
+    interface Options {
+      // Strip HTML comments
+      removeComments?: boolean;
+
+      // Strip HTML comments from scripts and styles
+      removeCommentsFromCDATA?: boolean;
+
+      // Remove CDATA sections from script and style elements
+      removeCDATASectionsFromCDATA?: boolean;
+
+      // Collapse white space that contributes to text nodes in a document tree
+      collapseWhitespace?: boolean;
+
+      // Always collapse to 1 space (never remove it entirely). Must be used in conjunction with collapseWhitespace=true
+      conservativeCollapse?: boolean;
+
+      // Don't leave any spaces between display:inline; elements when collapsing. Must be used in conjunction with collapseWhitespace=true
+      collapseInlineTagWhitespace?: boolean;
+
+      // Always collapse to 1 line break (never remove it entirely) when whitespace between tags include a line break. Must be used in conjunction with collapseWhitespace=true
+      preserveLineBreaks?: boolean;
+
+      // Omit attribute values from boolean attributes
+      collapseBooleanAttributes?: boolean;
+
+      // Remove quotes around attributes when possible
+      removeAttributeQuotes?: boolean;
+
+      // Remove attributes when value matches default
+      removeRedundantAttributes?: boolean;
+
+      // Prevents the escaping of the values of attributes.
+      preventAttributesEscaping?: boolean;
+
+      // Replaces the doctype with the short (HTML5) doctype
+      useShortDoctype?: boolean;
+
+      // Remove all attributes with whitespace-only values
+      removeEmptyAttributes?: boolean;
+
+      // Remove type="text/javascript" from script tags. Other type attribute values are left intact.
+      removeScriptTypeAttributes?: boolean;
+
+      // Remove type="text/css" from style and link tags. Other type attribute values are left intact.
+      removeStyleLinkTypeAttributes?: boolean;
+
+      // Remove unrequired tags
+      removeOptionalTags?: boolean;
+
+      // Remove all elements with empty contents
+      removeEmptyElements?: boolean;
+
+      // Toggle linting
+      lint?: boolean;
+
+      // Keep the trailing slash on singleton elements
+      keepClosingSlash?: boolean;
+
+      // Treat attributes in case sensitive manner (useful for custom HTML tags.)
+      caseSensitive?: boolean;
+
+      // Minify Javascript in script elements and on* attributes (uses UglifyJS)
+      minifyJS?: boolean | UglifyJS.MinifyOptions;
+
+      // Minify CSS in style elements and style attributes (uses clean-css)
+      minifyCSS?: boolean | CleanCSS.Options;
+
+      // Minify URLs in various attributes (uses relateurl)
+      minifyURLs?: boolean | RelateUrl.Options;
+
+      // Array of regex'es that allow to ignore certain comments, when matched
+      ignoreCustomComments?: Array<RegExp>;
+
+      // Array of regex'es that allow to ignore certain fragments, when matched (e.g. <?php ... ?>, {{ ... }}, etc.)
+      ignoreCustomFragments?: Array<RegExp>;
+
+      // Array of strings corresponding to types of script elements to process through minifier (e.g. text/ng-template, text/x-handlebars-template, etc.)
+      processScripts?: Array<string>;
+
+      // Specify a maximum line length. Compressed output will be split by newlines at valid HTML split-points
+      maxLineLength?: number;
+
+      // Arrays of regex'es that allow to support custom attribute assign expressions (e.g. '<div flex?="{{mode != cover}}"></div>')
+      customAttrAssign?: Array<RegExp>;
+
+      // Arrays of regex'es that allow to support custom attribute surround expressions (e.g. <input {{#if value}}checked="checked"{{/if}}>)
+      customAttrSurround?: Array<RegExp>;
+
+      // Regex that specifies custom attribute to strip newlines from (e.g. /ng\-class/)
+      customAttrCollapse?: RegExp;
+
+      // Type of quote to use for attribute values (' or ")
+      quoteCharacter?: string;
+    }
+  }
+
+  export = HTMLMinifier;
+}