diff --git a/collect_res.py b/collect_res.py
new file mode 100755
index 0000000000..ba26b801b8
--- /dev/null
+++ b/collect_res.py
@@ -0,0 +1,25 @@
+#!/usr/bin/env python3
+import os
+
+resources = {}
+
+def process_file(name):
+    if name.endswith('.py'):
+        return
+    with open(name, 'rb') as f:
+        resources[name] = f.read()
+
+# scan generic resources
+for res in os.scandir('src/trezor/res/'):
+    if res.is_file():
+        process_file('src/trezor/res/%s' % res.name)
+
+# scan apps
+for app in os.scandir('src/apps/'):
+    if app.is_dir():
+        for res in os.scandir('src/apps/%s/res/' % app.name):
+            if res.is_file():
+                process_file('src/apps/%s/res/%s' % (app.name, res.name))
+
+with open('src/trezor/res/resources.py', 'wt') as f:
+    f.write('resdata = ' + str(resources))
diff --git a/src/trezor/res/.gitinit b/src/trezor/res/.gitinit
new file mode 100644
index 0000000000..adbe64639b
--- /dev/null
+++ b/src/trezor/res/.gitinit
@@ -0,0 +1 @@
+resources.py
diff --git a/src/trezor/res/__init__.py b/src/trezor/res/__init__.py
index 06a7f448de..e5677e7472 100644
--- a/src/trezor/res/__init__.py
+++ b/src/trezor/res/__init__.py
@@ -1,4 +1,11 @@
+try:
+    from .resources import resdata
+except ImportError:
+    resdata = None
+
 def loadres(name):
+    if resdata and name in resdata:
+        return resdata[name]
     with open(name, 'rb') as f:
         return f.read()