diff --git a/.gitignore b/.gitignore
index 74815da..699f234 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 doc/
 node_modules/
 coverage/
+test/browser/pako.js
 v8.log
diff --git a/.jshintignore b/.jshintignore
index 7374751..5073f1d 100644
--- a/.jshintignore
+++ b/.jshintignore
@@ -3,3 +3,4 @@ node_modules/
 benchmark/implementations
 coverage/
 dist/
+test/browser/pako.js
diff --git a/Makefile b/Makefile
index 484db25..28875ad 100644
--- a/Makefile
+++ b/Makefile
@@ -29,6 +29,11 @@ lint:
 test: lint
 	mocha
 
+test-browser: lint
+	rm -f ./test/browser/pako.js
+	browserify -r ./ -s pako > test/browser/pako.js
+	@SAUCE_PROJ=${GITHUB_PROJ} test/browser/sauce-run.js
+
 cover:
 	rm -rf cover
 	istanbul cover node_modules/.bin/_mocha -- -t 30000 -R spec
diff --git a/package.json b/package.json
index b045321..ee04e98 100644
--- a/package.json
+++ b/package.json
@@ -16,6 +16,7 @@
 
   "devDependencies" : {
                         "mocha":     "*",
+                        "chai":      "*",
                         "benchmark": "*",
                         "ansi":      "*",
                         "browserify":"*",
@@ -24,6 +25,10 @@
                         "istanbul":  "*",
                         "ndoc":      "*",
                         "lodash":    "2.4.1",
-                        "async":     "0.2.10"
+                        "async":     "0.2.10",
+
+                        "mocha-cloud": "*",
+                        "mocha-cloud-grid-view": "*",
+                        "term-canvas": "*"
                       }
 }
diff --git a/test/browser/browsers.json b/test/browser/browsers.json
new file mode 100644
index 0000000..a8b7fbc
--- /dev/null
+++ b/test/browser/browsers.json
@@ -0,0 +1,14 @@
+[
+  { "browserName": "iphone",    "platform": "OS X 10.8",  "version": "6" },
+  { "browserName": "android",   "platform": "Linux",      "version": "4.0" },
+  { "browserName": "firefox",   "platform": "XP" },
+  { "browserName": "chrome",    "platform": "XP" },
+
+  { "browserName": "internet explorer", "platform": "WIN8",     "version": "10" },
+  { "browserName": "internet explorer", "platform": "VISTA",    "version": "9" },
+  { "browserName": "internet explorer", "platform": "Windows 7","version": "8" },
+  { "browserName": "internet explorer", "platform": "XP",       "version": "7" },
+
+  { "browserName": "opera",     "platform": "Windows 2008","version": "12" },
+  { "browserName": "safari",    "platform": "OS X 10.8",   "version": "6" }
+]
diff --git a/test/browser/sauce-run.js b/test/browser/sauce-run.js
new file mode 100755
index 0000000..8a7b8af
--- /dev/null
+++ b/test/browser/sauce-run.js
@@ -0,0 +1,77 @@
+#!/usr/bin/env node
+
+/* You have to setup 3 enviroment variables to run this script:
+ *
+ * SAUCE_PROJ - project name
+ * SAUCE_USER - saucelabs user name
+ * SAUCE_AUTH - saucelabs authorisation token
+ */
+
+'use strict';
+
+var Cloud = require('mocha-cloud');
+/*  , Canvas = require('term-canvas')
+  , size = process.stdout.getWindowSize()
+  , GridView = require('mocha-cloud-grid-view');*/
+
+/*if (!process.env.SAUCE_PROJ || !process.env.SAUCE_USER || !process.env.SAUCE_AUTH) {
+  console.err('You must set enviroment variables SAUCE_PROJ, SAUCE_USER and SAUCE_AUTH');
+  process.exit(1);
+}*/
+
+var cloud = new Cloud(process.env.SAUCE_PROJ, process.env.SAUCE_USER, process.env.SAUCE_AUTH);
+
+// the browsers to test
+
+var browsers = require('./browsers.json');
+
+browsers.forEach(function(browser) {
+  cloud.browser(browser.browserName, browser.version, browser.platform);
+});
+
+// the local url to test
+
+cloud.url('http://localhost:3000/test/browser/');
+
+// setup
+
+/*var canvas = new Canvas(size[0], size[1]);
+var ctx = canvas.getContext('2d');
+var grid = new GridView(cloud, ctx);
+grid.size(canvas.width, canvas.height);
+ctx.hideCursor();
+
+// trap SIGINT
+
+process.on('SIGINT', function(){
+  ctx.reset();
+  process.nextTick(function(){
+    process.exit();
+  });
+});
+
+// output failure messages
+// once complete, and exit > 0
+// accordingly
+
+cloud.start(function(){
+  grid.showFailures();
+  setTimeout(function(){
+    ctx.showCursor();
+    process.exit(grid.totalFailures());
+  }, 100);
+});*/
+
+cloud.on('init', function(browser){
+  console.log('  init : %s %s', browser.browserName, browser.version);
+});
+
+cloud.on('start', function(browser){
+  console.log('  start : %s %s', browser.browserName, browser.version);
+});
+
+cloud.on('end', function(browser, res){
+  console.log('  end : %s %s : %d failures', browser.browserName, browser.version, res.failures);
+});
+
+cloud.start();
diff --git a/test/browser/test.html b/test/browser/test.html
new file mode 100644
index 0000000..eaad0e7
--- /dev/null
+++ b/test/browser/test.html
@@ -0,0 +1,28 @@
+<html>
+  <head>
+    <title>pako tests</title>
+    <meta charset="utf-8">
+    <link rel="stylesheet" href="../../node_modules/mocha/mocha.css" />
+  </head>
+  <body>
+    <div id="mocha"></div>
+    <script src="../../node_modules/mocha/mocha.js"></script>
+    <script src="../../node_modules/chai/chai.js"></script>
+    <script src="./pako.js"></script>
+    <script>
+      mocha.ui('bdd');
+      mocha.reporter('html');
+      assert = chai.assert;
+    </script>
+    <script src="test.js"></script>
+    <script>
+      if (window.mochaPhantomJS) {
+        mochaPhantomJS.run();
+      } else {
+        mocha.run();
+      }
+    </script>
+  </body>
+</html>
+
+
diff --git a/test/browser/test.js b/test/browser/test.js
new file mode 100644
index 0000000..1ccee63
--- /dev/null
+++ b/test/browser/test.js
@@ -0,0 +1,26 @@
+/*global describe, it, pako, assert*/
+
+
+'use strict';
+
+
+var size = 100*1000;
+
+var data_bin = Uint8Array ? new Uint8Array(size) : new Array(size);
+
+for (var i=data_bin.length-1; i>=0; i--) { data_bin[i] = (Math.random(256)*256) & 0xff; }
+
+
+describe('Generic tests', function () {
+
+  it('dummy', function() {
+    pako.deflate(data_bin);
+  });
+
+  it.skip('levels', function() {
+    assert.deepEqual(data_bin, pako.inflate(pako.deflate(data_bin)));
+    assert.deepEqual(data_bin, pako.inflate(pako.deflate(data_bin, { level: 0 })));
+    assert.deepEqual(data_bin, pako.inflate(pako.deflate(data_bin, { level: 1 })));
+  });
+});
+