diff --git a/vulcanize/bin/vulcanize b/vulcanize/bin/vulcanize
new file mode 100755
index 0000000..3014daf
--- /dev/null
+++ b/vulcanize/bin/vulcanize
@@ -0,0 +1,35 @@
+#!/usr/bin/env node
+var path = require('path');
+var nopt = require('nopt');
+var vulcan = require('../lib/vulcan.js');
+
+var options = nopt(
+  {
+    'output': path,
+    'verbose': Boolean,
+    'csp': Boolean,
+    'inline': Boolean
+  },
+  {
+    'o': ['--output'],
+    'v': ['--verbose']
+  }
+);
+
+options.input = path.resolve(options.argv.remain[0]);
+
+if (!options.input) {
+  console.error('No input file given!');
+  process.exit(1);
+}
+
+var DEFAULT_OUTPUT = 'vulcanized.html';
+if (!options.output) {
+  console.warn('Default output to vulcanized.html' + (options.csp ? ' and vulcanized.js' : '') + ' in the input directory.');
+  options.output = path.resolve(path.dirname(options.input), DEFAULT_OUTPUT);
+}
+
+options.outputDir = path.dirname(options.output);
+
+vulcan.setOptions(options);
+vulcan.processDocument();
diff --git a/vulcanize/vulcan.js b/vulcanize/lib/vulcan.js
similarity index 90%
rename from vulcanize/vulcan.js
rename to vulcanize/lib/vulcan.js
index 697dadc..0799db6 100644
--- a/vulcanize/vulcan.js
+++ b/vulcanize/lib/vulcan.js
@@ -17,35 +17,12 @@ var URL_TEMPLATE = '{{.*}}';
 var import_buffer = [];
 var imports_before_polymer = [];
 var read = {};
+var options = {};
 
-var options = nopt(
-  {
-    'output': path,
-    'input': path,
-    'verbose': Boolean,
-    'csp': Boolean,
-    'inline': Boolean
-  },
-  {
-    'o': ['--output'],
-    'i': ['--input'],
-    'v': ['--verbose']
-  }
-);
-
-if (!options.input) {
-  console.error('No input file given!');
-  process.exit(1);
+function setOptions(optHash) {
+  options = optHash;
 }
 
-var DEFAULT_OUTPUT = 'vulcanized.html';
-if (!options.output) {
-  console.warn('Default output to vulcanized.html' + (options.csp ? ' and vulcanized.js' : '') + ' in the input directory.');
-  options.output = path.resolve(path.dirname(options.input), DEFAULT_OUTPUT);
-}
-
-var outputDir = path.dirname(options.output);
-
 function resolvePaths($, input, output) {
   var assetPath = path.relative(output, input);
   assetPath = assetPath.split(path.sep).join('/') + '/';
@@ -124,7 +101,7 @@ function concat(filename) {
     var dir = path.dirname(filename);
     processImports($, dir);
     inlineSheets($, dir);
-    resolvePaths($, dir, outputDir);
+    resolvePaths($, dir, options.outputDir);
     import_buffer.push($.html());
   } else {
     if (options.verbose) {
@@ -248,4 +225,5 @@ function handleMainDocument() {
   fs.writeFileSync(options.output, outhtml, 'utf8');
 }
 
-handleMainDocument();
+exports.processDocument = handleMainDocument;
+exports.setOptions = setOptions;