diff --git a/chrome/build-manifest.py b/chrome/build-manifest.py
index e69de29..3e1488b 100644
--- a/chrome/build-manifest.py
+++ b/chrome/build-manifest.py
@@ -0,0 +1,39 @@
+import json
+
+
+with open("../package.json") as json_file:
+    project_package = json.load(json_file)
+
+
+with open("manifest.json") as json_file:
+    manifest = json.load(json_file)
+
+
+switcher = {
+    'name': 'name',
+    'version': 'version',
+    'description': 'description',
+}
+
+
+for key, value in enumerate(switcher):
+    manifest[value] = project_package[key]
+
+
+with open("data/site-decoder.json") as json_file:
+    site_decoder = json.load(json_file)
+
+
+content_scripts = []
+for ident, script in enumerate(site_decoder):
+    temp = {}
+    temp['matches'] = [ident]
+    temp['js'] = ['data/lib/jquery.js', 'data/image_lookup.js', 'data/injections/' + script]
+    content_scripts.append(temp)
+
+
+manifest['content_scripts'] = content_scripts
+
+
+with open('package.json', 'w') as file:
+    json.dump(manifest, file)
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