diff --git a/.babelrc b/.babelrc
index 09bb8eaa..7995b245 100644
--- a/.babelrc
+++ b/.babelrc
@@ -1,7 +1,19 @@
 {
-    "presets": ["es2015", "flow"],
+    "presets": [
+        ["es2015", {
+            "modules": false
+        }],
+        "flow"
+    ],
     "plugins": [
         "transform-runtime",
         "transform-class-properties"
-    ]
+    ],
+    "env": {
+        "test": {
+            "plugins": [
+                "transform-es2015-modules-commonjs"
+            ],
+        }
+    }
 }
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 82d6a55b..12cdf585 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -57,13 +57,19 @@ single file.  The goal is to have all functions use this new system.
 
 ## Testing
 
-Local testing can be done by running the node server in `server.js`. Run
-`npm install` to install dependencies, and then `npm start` to start the server.
+Local testing can be done by running the webpack-dev-server using configuration
+`webpack.dev.js`. Run `npm install` to install dependencies, and then `npm start`
+to start the server.
 
 This will host an interactive editor at
 [http://localhost:7936/](http://localhost:7936/) to play around with and test
 changes.
 
+webpack-dev-server 2.8.0 introduced a change which included ES6 keywords `const`
+and `let` within the scripts being served to the browser, and therefore doesn't
+support IE 9 and 10. If you want to test in IE 9 and 10, install version 2.7.1
+by running `npm install webpack-dev-server@2.7.1`.
+
 #### Jest tests
 
 The JavaScript parser and some of the HTML and MathML tree
diff --git a/Makefile b/Makefile
index 1d6d2782..e6bd9f70 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
-.PHONY: build dist lint setup copy serve clean metrics test coverage zip contrib flow
-build: test build/katex.min.js build/katex.min.css contrib zip compress
+.PHONY: build dist lint setup webpack serve clean metrics test coverage zip flow
+build: test build/katex zip compress
 
 ifeq ($(KATEX_DIST),skip)
 
@@ -20,15 +20,6 @@ ifneq ($(NODECHK),OK)
 $(error "Node not found or wrong version")
 endif
 
-# Export these variables for use in contrib Makefiles
-export BUILDDIR = $(realpath build)
-export BROWSERIFY = $(realpath ./node_modules/.bin/browserify)
-export UGLIFYJS = $(realpath ./node_modules/.bin/uglifyjs) \
-	--mangle \
-	--beautify \
-	ascii_only=true,beautify=false
-export CLEANCSS = $(realpath ./node_modules/.bin/cleancss)
-
 # The prepublish script in package.json will override the following variable,
 # setting it to the empty string and thereby avoiding an infinite recursion
 NIS = .npm-install.stamp
@@ -40,29 +31,11 @@ $(NIS) setup: package.json
 lint: $(NIS)
 	$(NPM) run lint
 
-build/katex.js: katex.js $(wildcard src/*.js) $(NIS)
-	mkdir -p build
-	$(BROWSERIFY) -t [ babelify ] $< --standalone katex > $@
+webpack: katex.js $(wildcard src/*.js) $(wildcard static/*.less) $(NIS)
+	$(NPM) run build
 
-build/katex.min.js: build/katex.js
-	mkdir -p build
-	$(UGLIFYJS) < $< > $@
-
-build/katex.css: static/katex.less $(wildcard static/*.less) $(NIS)
-	mkdir -p build
-	./node_modules/.bin/lessc $< $@
-
-build/katex.min.css: build/katex.css
-	mkdir -p build
-	$(CLEANCSS) -o $@ $<
-
-.PHONY: build/fonts
-build/fonts:
-	rm -rf $@
-	mkdir $@
-	for font in $(shell grep "font" static/katex.less | grep -o "KaTeX_\w\+" | cut -d" " -f 2 | sort | uniq); do \
-		cp submodules/katex-fonts/fonts/$$font* $@; \
-	done
+.PHONY: build/fonts build/contrib
+build/katex.js build/katex.min.js build/katex.css build/katex.min.css build/katex.css build/fonts build/contrib: webpack
 
 test/screenshotter/unicode-fonts:
 	git clone https://github.com/Khan/KaTeX-test-fonts test/screenshotter/unicode-fonts
@@ -70,18 +43,6 @@ test/screenshotter/unicode-fonts:
 	git checkout 99fa66a2da643218754c8236b9f9151cac71ba7c && \
 	cd ../../../
 
-contrib: build/contrib
-
-.PHONY: build/contrib
-build/contrib:
-	mkdir -p build/contrib
-	@# Since everything in build/contrib is put in the built files, make sure
-	@# there's nothing in there we don't want.
-	rm -rf build/contrib/*
-	$(MAKE) -C contrib/auto-render
-	$(MAKE) -C contrib/copy-tex
-	$(MAKE) -C contrib/mathtex-script-type
-
 .PHONY: build/katex
 build/katex: build/katex.js build/katex.min.js build/katex.css build/katex.min.css build/fonts README.md build/contrib
 	mkdir -p build/katex
diff --git a/contrib/auto-render/Makefile b/contrib/auto-render/Makefile
deleted file mode 100644
index 8e8de6fd..00000000
--- a/contrib/auto-render/Makefile
+++ /dev/null
@@ -1,9 +0,0 @@
-.PHONY: build
-
-build: $(BUILDDIR)/contrib/auto-render.min.js
-
-$(BUILDDIR)/contrib/auto-render.min.js: $(BUILDDIR)/contrib/auto-render.js
-	$(UGLIFYJS) < $< > $@
-
-$(BUILDDIR)/contrib/auto-render.js: auto-render.js
-	$(BROWSERIFY) -t [ babelify ] $< --standalone renderMathInElement > $@
diff --git a/contrib/auto-render/README.md b/contrib/auto-render/README.md
index 91d3bf1a..dd2a54cc 100644
--- a/contrib/auto-render/README.md
+++ b/contrib/auto-render/README.md
@@ -29,9 +29,9 @@ before the close body tag:
 ```
 
 See [index.html](index.html) for an example.
-(To run this example from a clone of the repository, run `make serve`
+(To run this example from a clone of the repository, run `npm start`
 in the root KaTeX directory, and then visit
-http://0.0.0.0:7936/contrib/auto-render/index.html
+http://localhost:7936/contrib/auto-render/index.html
 with your web browser.)
 
 If you prefer to have all your setup inside the html `<head>`,
diff --git a/contrib/auto-render/auto-render.js b/contrib/auto-render/auto-render.js
index 8a77e233..364344e8 100644
--- a/contrib/auto-render/auto-render.js
+++ b/contrib/auto-render/auto-render.js
@@ -1,6 +1,6 @@
 /* eslint no-console:0 */
-/* global katex */
 
+import katex from "katex";
 import splitAtDelimiters from "./splitAtDelimiters";
 
 const splitWithDelimiters = function(text, delimiters) {
@@ -99,4 +99,4 @@ const renderMathInElement = function(elem, options) {
     renderElem(elem, optionsCopy);
 };
 
-module.exports = renderMathInElement;
+export default renderMathInElement;
diff --git a/contrib/auto-render/index.html b/contrib/auto-render/index.html
index 64d9f67b..56c4070e 100644
--- a/contrib/auto-render/index.html
+++ b/contrib/auto-render/index.html
@@ -1,15 +1,14 @@
 <!DOCTYPE html>
-<!--To run this example from a clone of the repository, run `make serve`
+<!--To run this example from a clone of the repository, run `npm start`
     in the root KaTeX directory and then visit with your web browser:
-    http://0.0.0.0:7936/contrib/auto-render/index.html
+    http://localhost:7936/contrib/auto-render/index.html
   -->
 <html>
   <head>
     <meta charset="UTF-8">
     <title>Auto-render test</title>
     <script src="/katex.js" type="text/javascript"></script>
-    <link href="/katex.css" rel="stylesheet" type="text/css">
-    <script src="./auto-render.js" type="text/javascript"></script>
+    <script src="/contrib/auto-render.js" type="text/javascript"></script>
     <style type="text/css">
       body {
           margin: 0px;
diff --git a/contrib/copy-tex/Makefile b/contrib/copy-tex/Makefile
deleted file mode 100644
index eff18b7f..00000000
--- a/contrib/copy-tex/Makefile
+++ /dev/null
@@ -1,15 +0,0 @@
-.PHONY: build
-
-build: $(BUILDDIR)/contrib/copy-tex.min.js $(BUILDDIR)/contrib/copy-tex.css $(BUILDDIR)/contrib/copy-tex.min.css
-
-$(BUILDDIR)/contrib/copy-tex.min.js: $(BUILDDIR)/contrib/copy-tex.js
-	$(UGLIFYJS) < $< > $@
-
-$(BUILDDIR)/contrib/copy-tex.js: copy-tex.js
-	$(BROWSERIFY) -t [ babelify ] $< --standalone renderMathInElement > $@
-
-$(BUILDDIR)/contrib/copy-tex.css: copy-tex.css
-	cp $< $@
-
-$(BUILDDIR)/contrib/copy-tex.min.css: $(BUILDDIR)/contrib/copy-tex.css
-	$(CLEANCSS) -o $@ $<
diff --git a/contrib/copy-tex/README.md b/contrib/copy-tex/README.md
index 9d1ea35c..c518fd57 100644
--- a/contrib/copy-tex/README.md
+++ b/contrib/copy-tex/README.md
@@ -26,9 +26,9 @@ will just get the usual HTML copy/paste behavior.
 ```
 
 See [index.html](index.html) for an example.
-(To run this example from a clone of the repository, run `make serve`
+(To run this example from a clone of the repository, run `npm start`
 in the root KaTeX directory, and then visit
-http://0.0.0.0:7936/contrib/copy-tex/index.html
+http://localhost:7936/contrib/copy-tex/index.html
 with your web browser.)
 
 If you want to build your own custom copy handler based on this one,
diff --git a/contrib/copy-tex/copy-tex.js b/contrib/copy-tex/copy-tex.js
index ca6e08ac..78a54b20 100644
--- a/contrib/copy-tex/copy-tex.js
+++ b/contrib/copy-tex/copy-tex.js
@@ -1,3 +1,4 @@
+import './copy-tex.css';
 import katexReplaceWithTex from './katex2tex';
 
 // Global copy handler to modify behavior on .katex elements.
diff --git a/contrib/copy-tex/index.html b/contrib/copy-tex/index.html
index f452cb84..2fd49034 100644
--- a/contrib/copy-tex/index.html
+++ b/contrib/copy-tex/index.html
@@ -1,17 +1,15 @@
 <!DOCTYPE html>
-<!--To run this example from a clone of the repository, run `make serve`
+<!--To run this example from a clone of the repository, run `npm start`
     in the root KaTeX directory and then visit with your web browser:
-    http://0.0.0.0:7936/contrib/copy-tex/index.html
+    http://localhost:7936/contrib/copy-tex/index.html
   -->
 <html>
   <head>
     <meta charset="UTF-8">
     <title>Copy-tex test</title>
     <script src="/katex.js" type="text/javascript"></script>
-    <link href="/katex.css" rel="stylesheet" type="text/css">
-    <link href="./copy-tex.css" rel="stylesheet" type="text/css">
-    <script src="../auto-render/auto-render.js" type="text/javascript"></script>
-    <script src="./copy-tex.js" type="text/javascript"></script>
+    <script src="/contrib/auto-render.js" type="text/javascript"></script>
+    <script src="/contrib/copy-tex.js" type="text/javascript"></script>
     <style type="text/css">
       body {
           margin: 0px;
diff --git a/contrib/mathtex-script-type/Makefile b/contrib/mathtex-script-type/Makefile
deleted file mode 100644
index 51baca33..00000000
--- a/contrib/mathtex-script-type/Makefile
+++ /dev/null
@@ -1,9 +0,0 @@
-.PHONY: build integrity
-
-build: $(BUILDDIR)/contrib/mathtex-script-type.min.js
-
-$(BUILDDIR)/contrib/mathtex-script-type.min.js: $(BUILDDIR)/mathtex-script-type.js
-	$(UGLIFYJS) < $< > $@
-
-$(BUILDDIR)/mathtex-script-type.js: mathtex-script-type.js
-	$(BROWSERIFY) -t [ babelify ] $< > $@
diff --git a/contrib/mathtex-script-type/mathtex-script-type.js b/contrib/mathtex-script-type/mathtex-script-type.js
index 4e0128be..592b2019 100644
--- a/contrib/mathtex-script-type/mathtex-script-type.js
+++ b/contrib/mathtex-script-type/mathtex-script-type.js
@@ -1,24 +1,22 @@
-/* global katex */
+import katex from "katex";
 
-{
-    let scripts = document.body.getElementsByTagName("script");
-    scripts = Array.prototype.slice.call(scripts);
-    scripts.forEach(function(script) {
-        if (!script.type || !script.type.match(/math\/tex/i)) {
-            return -1;
-        }
-        const display =
-              (script.type.match(/mode\s*=\s*display(;|\s|\n|$)/) != null);
+let scripts = document.body.getElementsByTagName("script");
+scripts = Array.prototype.slice.call(scripts);
+scripts.forEach(function(script) {
+    if (!script.type || !script.type.match(/math\/tex/i)) {
+        return -1;
+    }
+    const display =
+          (script.type.match(/mode\s*=\s*display(;|\s|\n|$)/) != null);
 
-        const katexElement = document.createElement(display ? "div" : "span");
-        katexElement.setAttribute("class",
-                                  display ? "equation" : "inline-equation");
-        try {
-            katex.render(script.text, katexElement, {displayMode: display});
-        } catch (err) {
-            //console.error(err); linter doesn't like this
-            katexElement.textContent = script.text;
-        }
-        script.parentNode.replaceChild(katexElement, script);
-    });
-}
+    const katexElement = document.createElement(display ? "div" : "span");
+    katexElement.setAttribute("class",
+                              display ? "equation" : "inline-equation");
+    try {
+        katex.render(script.text, katexElement, {displayMode: display});
+    } catch (err) {
+        //console.error(err); linter doesn't like this
+        katexElement.textContent = script.text;
+    }
+    script.parentNode.replaceChild(katexElement, script);
+});
diff --git a/dockers/Screenshotter/screenshotter.js b/dockers/Screenshotter/screenshotter.js
index 04caed1a..56eaffb5 100644
--- a/dockers/Screenshotter/screenshotter.js
+++ b/dockers/Screenshotter/screenshotter.js
@@ -3,7 +3,6 @@
 
 const childProcess = require("child_process");
 const fs = require("fs");
-const http = require("http");
 const jspngopt = require("jspngopt");
 const net = require("net");
 const os = require("os");
@@ -12,7 +11,9 @@ const path = require("path");
 const selenium = require("selenium-webdriver");
 const firefox = require("selenium-webdriver/firefox");
 
-const app = require("../../server");
+const webpack = require('webpack');
+const webpackDevServer = require("webpack-dev-server");
+const webpackConfig = require("../../webpack.dev");
 const data = require("../../test/screenshotter/ss_data");
 
 const dstDir = path.normalize(
@@ -194,7 +195,9 @@ function startServer() {
         return;
     }
     const port = Math.floor(Math.random() * (maxPort - minPort)) + minPort;
-    const server = http.createServer(app).listen(port);
+    const compiler = webpack(webpackConfig);
+    const server = new webpackDevServer(compiler,
+        webpackConfig[0].devServer).listen(port);
     server.once("listening", function() {
         devServer = server;
         katexPort = port;
@@ -315,7 +318,7 @@ function findHostIP() {
 
     // Now we need to find an IP the container can connect to.
     // First, install a server component to get notified of successful connects
-    app.get("/ss-connect.js", function(req, res, next) {
+    devServer.app.get("/ss-connect.js", function(req, res, next) {
         if (!katexURL) {
             katexIP = req.query.ip;
             katexURL = "http://" + katexIP + ":" + katexPort + "/";
diff --git a/katex.js b/katex.js
index f513b3ab..28a2298d 100644
--- a/katex.js
+++ b/katex.js
@@ -95,7 +95,7 @@ const renderToHTMLTree = function(
     return buildHTMLTree(tree, expression, settings);
 };
 
-module.exports = {
+export default {
     /**
      * Renders the given LaTeX into an HTML+MathML combination, and adds
      * it as a child to the specified DOM node.
diff --git a/katex.webpack.js b/katex.webpack.js
new file mode 100644
index 00000000..e052ee4d
--- /dev/null
+++ b/katex.webpack.js
@@ -0,0 +1,11 @@
+/**
+ * This is the webpack entry point for KaTeX. As flow[1] and jest[2] doesn't support
+ * CSS modules natively, a separate entry point is used and it is not flowtyped.
+ *
+ * [1] https://gist.github.com/lambdahands/d19e0da96285b749f0ef
+ * [2] https://facebook.github.io/jest/docs/en/webpack.html
+ */
+import './static/katex.less';
+import katex from './katex.js';
+
+export default katex;
diff --git a/package-lock.json b/package-lock.json
index 6db447a3..945dbd3a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -151,16 +151,6 @@
       "integrity": "sha1-g7gQP6miwug9ePcBqap8lTlzmqU=",
       "dev": true
     },
-    "JSONStream": {
-      "version": "1.3.1",
-      "resolved": "https://registry.npmjs.org/JSONStream/-/JSONStream-1.3.1.tgz",
-      "integrity": "sha1-cH92HgHa6eFvG8+TcDt4xwlmV5o=",
-      "dev": true,
-      "requires": {
-        "jsonparse": "1.3.1",
-        "through": "2.3.8"
-      }
-    },
     "abab": {
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/abab/-/abab-1.0.4.tgz",
@@ -272,6 +262,12 @@
         "repeat-string": "1.6.1"
       }
     },
+    "alphanum-sort": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/alphanum-sort/-/alphanum-sort-1.0.2.tgz",
+      "integrity": "sha1-l6ERlkmyEa0zaR2fn0hqjsn74KM=",
+      "dev": true
+    },
     "amdefine": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/amdefine/-/amdefine-1.0.1.tgz",
@@ -321,6 +317,12 @@
         "default-require-extensions": "1.0.0"
       }
     },
+    "aproba": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/aproba/-/aproba-1.2.0.tgz",
+      "integrity": "sha512-Y9J6ZjXtoYh8RnXVCMOU/ttDmk1aBjunq9vO0ta5x85WDQiQfUF9sIPBITdbiiIVcBo03Hi3jMxigBtsddlXRw==",
+      "dev": true
+    },
     "argparse": {
       "version": "1.0.9",
       "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.9.tgz",
@@ -357,12 +359,6 @@
       "integrity": "sha1-jCpe8kcv2ep0KwTHenUJO6J1fJM=",
       "dev": true
     },
-    "array-filter": {
-      "version": "0.0.1",
-      "resolved": "https://registry.npmjs.org/array-filter/-/array-filter-0.0.1.tgz",
-      "integrity": "sha1-fajPLiZijtcygDWB/SH2fKzS7uw=",
-      "dev": true
-    },
     "array-find-index": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/array-find-index/-/array-find-index-1.0.2.tgz",
@@ -391,18 +387,6 @@
       "integrity": "sha1-hlv3+K851rCYLGCQKRSsdrwBCPY=",
       "dev": true
     },
-    "array-map": {
-      "version": "0.0.0",
-      "resolved": "https://registry.npmjs.org/array-map/-/array-map-0.0.0.tgz",
-      "integrity": "sha1-iKK6tz0c97zVwbEYoAP2b2ZfpmI=",
-      "dev": true
-    },
-    "array-reduce": {
-      "version": "0.0.0",
-      "resolved": "https://registry.npmjs.org/array-reduce/-/array-reduce-0.0.0.tgz",
-      "integrity": "sha1-FziZ0//Rx9k4PkR5Ul2+J4yrXys=",
-      "dev": true
-    },
     "array-union": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/array-union/-/array-union-1.0.2.tgz",
@@ -476,20 +460,12 @@
       "integrity": "sha1-bIw/uCfdQ+45GPJ7gngqt2WKb9k=",
       "dev": true
     },
-    "astw": {
-      "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/astw/-/astw-2.2.0.tgz",
-      "integrity": "sha1-e9QXhNMkk5h66yOba04cV6hzuRc=",
-      "dev": true,
-      "requires": {
-        "acorn": "4.0.13"
-      }
-    },
     "async": {
       "version": "0.2.10",
       "resolved": "https://registry.npmjs.org/async/-/async-0.2.10.tgz",
       "integrity": "sha1-trvgsGdLnXGXCMo43owjfLUmw9E=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "async-each": {
       "version": "1.0.1",
@@ -1336,16 +1312,6 @@
         "to-fast-properties": "1.0.3"
       }
     },
-    "babelify": {
-      "version": "7.3.0",
-      "resolved": "https://registry.npmjs.org/babelify/-/babelify-7.3.0.tgz",
-      "integrity": "sha1-qlau3nBn/XvVSWZu4W3ChQh+iOU=",
-      "dev": true,
-      "requires": {
-        "babel-core": "6.25.0",
-        "object-assign": "4.1.1"
-      }
-    },
     "babylon": {
       "version": "6.17.4",
       "resolved": "https://registry.npmjs.org/babylon/-/babylon-6.17.4.tgz",
@@ -1393,12 +1359,6 @@
       "integrity": "sha512-dwVUVIXsBZXwTuwnXI9RK8sBmgq09NDHzyR9SAph9eqk76gKK2JSQmZARC2zRC81JC2QTtxD0ARU5qTS25gIGw==",
       "dev": true
     },
-    "basic-auth": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/basic-auth/-/basic-auth-1.1.0.tgz",
-      "integrity": "sha1-RSIe5Cn37h5QNb4/UVM/HN/SmIQ=",
-      "dev": true
-    },
     "batch": {
       "version": "0.6.1",
       "resolved": "https://registry.npmjs.org/batch/-/batch-0.6.1.tgz",
@@ -1430,10 +1390,16 @@
     "bindings": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/bindings/-/bindings-1.3.0.tgz",
-      "integrity": "sha1-s0b27PapX1qBXFg5/HzbIlAvHtc=",
+      "integrity": "sha512-DpLh5EzMR2kzvX1KIlVC0VkC3iZtHKTgdtZ0a3pglBZdaQFjt5S9g9xd1lE+YvXyfd6mtCeRnrUfOLYiTMlNSw==",
       "dev": true,
       "optional": true
     },
+    "bluebird": {
+      "version": "3.5.1",
+      "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.5.1.tgz",
+      "integrity": "sha512-MKiLiV+I1AA596t9w1sQJ8jkiSr5+ZKi0WKrYGUn6d1Fx+Ij4tIj+m2WMQSGczs5jZVxV339chE8iwk6F64wjA==",
+      "dev": true
+    },
     "bn.js": {
       "version": "4.11.7",
       "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.7.tgz",
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+    },
     "which": {
       "version": "1.2.14",
       "resolved": "https://registry.npmjs.org/which/-/which-1.2.14.tgz",
@@ -12099,6 +13682,16 @@
       "integrity": "sha1-J1hIEIkUVqQXHI0CJkQa3pDLyus=",
       "dev": true
     },
+    "worker-farm": {
+      "version": "1.5.2",
+      "resolved": "https://registry.npmjs.org/worker-farm/-/worker-farm-1.5.2.tgz",
+      "integrity": "sha512-XxiQ9kZN5n6mmnW+mFJ+wXjNNI/Nx4DIdaAKLX1Bn6LYBWlN/zaBhu34DQYPZ1AJobQuu67S2OfDdNSVULvXkQ==",
+      "dev": true,
+      "requires": {
+        "errno": "0.1.4",
+        "xtend": "4.0.1"
+      }
+    },
     "wrap-ansi": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
@@ -12202,6 +13795,7 @@
       "resolved": "https://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz",
       "integrity": "sha1-9+572FfdfB0tOMDnTvvWgdFDH9E=",
       "dev": true,
+      "optional": true,
       "requires": {
         "camelcase": "1.2.1",
         "cliui": "2.1.0",
diff --git a/package.json b/package.json
index 0576d452..aa0a926c 100644
--- a/package.json
+++ b/package.json
@@ -3,7 +3,6 @@
   "version": "0.10.0-pre",
   "description": "Fast math typesetting for the web.",
   "main": "dist/katex.js",
-  "browser": "dist/katex.min.js",
   "repository": {
     "type": "git",
     "url": "git://github.com/Khan/KaTeX.git"
@@ -25,23 +24,20 @@
     "babel-preset-es2015": "^6.18.0",
     "babel-preset-flow": "^6.23.0",
     "babel-register": "^6.26.0",
-    "babelify": "^7.3.0",
-    "browserify": "^13.3.0",
     "check-dependencies": "^1.1.0",
-    "clean-css": "^3.4.23",
+    "css-loader": "^0.28.8",
     "eslint": "^4.14.0",
     "eslint-plugin-flowtype": "^2.40.1",
-    "express": "^4.14.0",
+    "extract-text-webpack-plugin": "^3.0.2",
+    "file-loader": "^1.1.6",
     "flow-bin": "^0.62.0",
-    "glob": "^7.1.1",
     "jest": "^22.0.4",
     "jest-serializer-html": "^4.0.1",
     "js-yaml": "^3.3.1",
     "json-stable-stringify": "^1.0.1",
     "jspngopt": "^0.2.0",
     "less": "~2.7.1",
-    "less-plugin-clean-css": "^1.5.1",
-    "morgan": "^1.7.0",
+    "less-loader": "^4.0.5",
     "nomnom": "^1.8.1",
     "object-assign": "^4.1.0",
     "pako": "1.0.4",
@@ -49,26 +45,26 @@
     "rimraf": "^2.6.2",
     "selenium-webdriver": "^2.48.2",
     "sri-toolbox": "^0.2.0",
+    "style-loader": "^0.19.1",
     "stylelint": "^8.4.0",
     "stylelint-config-standard": "^18.0.0",
-    "uglify-js": "~2.7.5",
+    "uglifyjs-webpack-plugin": "^1.1.6",
     "webpack": "^3.6.0",
-    "webpack-dev-server": "^2.8.2"
+    "webpack-dev-server": "^2.7.1"
   },
   "bin": "cli.js",
   "scripts": {
-    "lint": "eslint katex.js server.js cli.js webpack.config.js webpackDevServer.js src test contrib dockers && stylelint static/fonts.less static/katex.less",
+    "lint": "eslint katex.js katex.webpack.js cli.js webpack.common.js webpack.config.js webpack.dev.js src test contrib dockers && stylelint static/fonts.less static/katex.less",
     "flow": "flow",
     "jest": "jest",
     "jest-update": "jest --updateSnapshot",
     "coverage": "jest --coverage",
-    "copy": "cp -a static/. build/ && cp -a contrib build/",
     "clean": "rm -rf build/* node_modules/",
     "clean-install": "npm run clean && npm i",
     "test": "check-dependencies && npm run lint && npm run flow && npm run jest",
-    "build-css": "lessc --clean-css static/katex.less build/katex.css",
-    "prestart": "rimraf build && npm run build-css && npm run copy",
-    "start": "check-dependencies && node webpackDevServer.js",
+    "start": "check-dependencies && webpack-dev-server --open --config webpack.dev.js",
+    "build": "check-dependencies && rimraf build/* && webpack",
+    "watch": "npm run build -- --watch",
     "prepublishOnly": "make NIS= dist"
   },
   "pre-commit": [
diff --git a/server.js b/server.js
deleted file mode 100644
index d87ceb50..00000000
--- a/server.js
+++ /dev/null
@@ -1,106 +0,0 @@
-/* eslint no-console:0 */
-const fs = require("fs");
-const path = require("path");
-
-const babelify = require("babelify");
-const browserify = require("browserify");
-const express = require("express");
-const glob = require("glob");
-const less = require("less");
-
-const app = express();
-
-if (require.main === module) {
-    app.use(require("morgan")(
-        ":date[iso] :method :url HTTP/:http-version - :status"));
-}
-
-function serveBrowserified(file, standaloneName) {
-    return function(req, res, next) {
-        let files;
-        if (Array.isArray(file)) {
-            files = file.map(function(f) { return path.join(__dirname, f); });
-        } else if (file.indexOf("*") !== -1) {
-            files = glob.sync(file, {cwd: __dirname});
-        } else {
-            files = [path.join(__dirname, file)];
-        }
-
-        const options = {
-            transform: [babelify],
-        };
-        if (standaloneName) {
-            options.standalone = standaloneName;
-        }
-        const b = browserify(files, options);
-        const stream = b.bundle();
-
-        let body = "";
-        stream.on("data", function(s) { body += s; });
-        stream.on("error", function(e) { next(e); });
-        stream.on("end", function() {
-            res.setHeader("Content-Type", "text/javascript");
-            res.send(body);
-        });
-    };
-}
-
-function browserified(url, file, standaloneName) {
-    app.get(url, serveBrowserified(file, standaloneName));
-}
-
-function getStatic(url, file) {
-    app.use(url, express.static(path.join(__dirname, file)));
-}
-
-browserified("/katex.js", "katex", "katex");
-browserified("/test/katex-spec.js", "test/*[Ss]pec.js");
-browserified(
-    "/contrib/auto-render/auto-render.js",
-    "contrib/auto-render/auto-render",
-    "renderMathInElement");
-browserified(
-    "/contrib/copy-tex/copy-tex.js",
-    "contrib/copy-tex/copy-tex");
-
-app.use("/katex.css", function(req, res, next) {
-    const lessfile = path.join(__dirname, "static", "katex.less");
-    fs.readFile(lessfile, {encoding: "utf8"}, function(err, data) {
-        if (err) {
-            next(err);
-            return;
-        }
-
-        less.render(data, {
-            paths: [path.join(__dirname, "static")],
-            filename: "katex.less",
-        }, function(err, output) {
-            if (err) {
-                console.error(String(err));
-                next(err);
-                return;
-            }
-
-            res.setHeader("Content-Type", "text/css");
-            res.send(output.css);
-        });
-    });
-});
-
-getStatic("", "static");
-getStatic("", "build");
-getStatic("/test", "test");
-getStatic("/contrib", "contrib");
-
-app.use(function(err, req, res, next) {
-    console.error(err.stack);
-    res.setHeader("Content-Type", "text/plain");
-    res.send(500, err.stack);
-});
-
-if (require.main === module) {
-    app.listen(7936);
-    console.log("Serving on http://0.0.0.0:7936/ ...");
-}
-
-module.exports = app;
diff --git a/static/index.html b/static/index.html
index 6cfb273b..4a1383cc 100644
--- a/static/index.html
+++ b/static/index.html
@@ -4,7 +4,6 @@
         <meta charset="UTF-8">
         <title>KaTeX Test</title>
         <script src="katex.js" type="text/javascript"></script>
-        <link href="katex.css" rel="stylesheet" type="text/css">
         <link href="main.css" rel="stylesheet" type="text/css">
     </head>
     <body>
diff --git a/test/screenshotter/test.html b/test/screenshotter/test.html
index 38aa0161..73127916 100644
--- a/test/screenshotter/test.html
+++ b/test/screenshotter/test.html
@@ -3,7 +3,6 @@
   <head>
     <title>Screenshotter test</title>
     <script src="../../katex.js" type="text/javascript"></script>
-    <link href="../../katex.css" rel="stylesheet" type="text/css">
     <style type="text/css">
       #math, #pre, #post {
         font-size: 4em;
diff --git a/webpack.common.js b/webpack.common.js
new file mode 100644
index 00000000..2a486aed
--- /dev/null
+++ b/webpack.common.js
@@ -0,0 +1,121 @@
+// @flow
+const path = require('path');
+const UglifyJsPlugin = require('uglifyjs-webpack-plugin');
+const ExtractTextPlugin = require('extract-text-webpack-plugin');
+const webpack = require('webpack');
+
+/*::
+type Target = {|
+    name: string, // the name of output JS/CSS
+    entry: string, // the path to the entry point
+    library?: string // the name of the exported module
+|};
+*/
+
+/**
+ * List of targets to build
+ */
+const targets /*: Array<Target> */ = [
+    {
+        name: 'katex',
+        entry: './katex.webpack.js',
+        library: 'katex',
+    },
+    {
+        name: 'contrib/auto-render',
+        entry: './contrib/auto-render/auto-render.js',
+        library: 'renderMathInElement',
+    },
+    {
+        name: 'contrib/copy-tex',
+        entry: './contrib/copy-tex/copy-tex.js',
+    },
+    {
+        name: 'contrib/mathtex-script-type',
+        entry: './contrib/mathtex-script-type/mathtex-script-type.js',
+    },
+];
+
+/**
+ * Create a webpack config for given target
+ */
+function createConfig(target /*: Target */, dev /*: boolean */,
+        minimize /*: boolean */) /*: Object */ {
+    const cssLoader = {
+        loader: 'css-loader',
+        options: {
+            minimize, // cssnano
+        },
+    };
+    return {
+        context: __dirname,
+        entry: {
+            [target.name]: target.entry,
+        },
+        output: {
+            filename: minimize ? '[name].min.js' : '[name].js',
+            library: target.library,
+            libraryTarget: 'umd',
+            libraryExport: 'default',
+            path: path.resolve(__dirname, 'build'),
+            publicPath: dev ? '/' : '',
+        },
+        module: {
+            rules: [
+                {
+                    test: /\.js$/,
+                    exclude: /node_modules/,
+                    use: 'babel-loader',
+                },
+                {
+                    test: /\.css$/,
+                    use: ExtractTextPlugin.extract({
+                        fallback: 'style-loader',
+                        use: [cssLoader],
+                    }),
+                },
+                {
+                    test: /\.less$/,
+                    use: ExtractTextPlugin.extract({
+                        fallback: 'style-loader',
+                        use: [cssLoader, {
+                            loader: 'less-loader',
+                        }],
+                    }),
+                },
+                {
+                    test: /\.(ttf|woff|woff2)$/,
+                    use: [{
+                        loader: 'file-loader',
+                        options: {
+                            name: 'fonts/[name].[ext]',
+                        },
+                    }],
+                },
+            ],
+        },
+        externals: 'katex',
+        plugins: [
+            new webpack.EnvironmentPlugin({
+                NODE_ENV: dev ? 'development' : 'production',
+            }),
+            minimize && new UglifyJsPlugin({
+                uglifyOptions: {
+                    output: {
+                        ascii_only: true,
+                    },
+                },
+            }),
+            new ExtractTextPlugin({
+                filename: minimize ? '[name].min.css' : '[name].css',
+                disable: dev,
+            }),
+        ].filter(Boolean),
+        devtool: dev && 'inline-source-map',
+    };
+}
+
+module.exports = {
+    targets,
+    createConfig,
+};
diff --git a/webpack.config.js b/webpack.config.js
index bbc88a70..76361276 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -1,61 +1,7 @@
-const path = require('path');
+// @flow
+const { targets, createConfig } = require('./webpack.common');
 
-const katexConfig = {
-    entry: ['./katex.js'],
-    output: {
-        path: path.join(__dirname, 'build'),
-        filename: 'katex.js',
-        library: 'katex',
-        libraryTarget: 'umd',
-    },
-};
-
-const copyTexConfig = {
-    entry: ['./contrib/copy-tex/copy-tex.js'],
-    output: {
-        path: path.join(__dirname, 'build', 'contrib', 'copy-tex'),
-        filename: 'copy-tex.js',
-    },
-};
-
-const autoRenderConfig = {
-    entry: ['./contrib/auto-render/auto-render.js'],
-    output: {
-        path: path.join(__dirname, 'build', 'contrib', 'auto-render'),
-        filename: 'auto-render.js',
-        library: 'renderMathInElement',
-        libraryTarget: 'umd',
-    },
-};
-
-const commonConfig = {
-    module: {
-        rules: [
-            {
-                test: /\.js$/,
-                use: 'babel-loader',
-                exclude: /\bnode_modules\b/,
-            },
-        ],
-    },
-    devtool: 'eval-source-map',
-};
-
-module.exports = {
-    compilerConfig: [
-        Object.assign({}, katexConfig, commonConfig),
-        Object.assign({}, copyTexConfig, commonConfig),
-        Object.assign({}, autoRenderConfig, commonConfig),
-    ],
-    devServerConfig: {
-        publicPath: '/',
-        contentBase: path.join(__dirname, 'build'),
-        stats: {
-            colors: true,
-        },
-        // Allow server to be accessed from anywhere, which is useful for
-        // testing.  This potentially reveals the source code to the world,
-        // but this should not be a concern for testing open-source software.
-        disableHostCheck: true,
-    },
-};
+module.exports = [ //                              dev   minify
+    ...targets.map(target => createConfig(target, false, false)),
+    ...targets.map(target => createConfig(target, false, true)),
+];
diff --git a/webpack.dev.js b/webpack.dev.js
new file mode 100644
index 00000000..c95712e7
--- /dev/null
+++ b/webpack.dev.js
@@ -0,0 +1,25 @@
+// @flow
+const { targets, createConfig } = require('./webpack.common');
+const path = require('path');
+const PORT = 7936;
+
+// only the `devServer` options for the first configuration will be taken
+// into account and used for all the configurations in the array.
+//                                                dev   minify
+const katexConfig = createConfig(targets.shift(), true, false);
+katexConfig.devServer = {
+    contentBase: [path.join(__dirname, 'static'), __dirname],
+    // Allow server to be accessed from anywhere, which is useful for
+    // testing.  This potentially reveals the source code to the world,
+    // but this should not be a concern for testing open-source software.
+    disableHostCheck: true,
+    port: PORT,
+    stats: {
+        colors: true,
+    },
+};
+
+module.exports = [
+    katexConfig,
+    ...targets.map(target => createConfig(target, true, false)),
+];
diff --git a/webpackDevServer.js b/webpackDevServer.js
deleted file mode 100644
index 7744f243..00000000
--- a/webpackDevServer.js
+++ /dev/null
@@ -1,15 +0,0 @@
-/* eslint no-console:0 */
-
-const WebpackDevServer = require("webpack-dev-server");
-const webpack = require("webpack");
-const webpackConfig = require("./webpack.config.js");
-const PORT = 7936;
-
-webpackConfig.compilerConfig.forEach((config) => {
-    config.entry.unshift(`webpack-dev-server/client?http://localhost:${PORT}/`);
-});
-const compiler = webpack(webpackConfig.compilerConfig);
-const server = new WebpackDevServer(compiler, webpackConfig.devServerConfig);
-
-server.listen(PORT);
-console.log(`Serving on http://localhost:${PORT}/ ...`);