diff --git a/app/src/main/java/org/matrix/chromext/script/Parser.kt b/app/src/main/java/org/matrix/chromext/script/Parser.kt
index 8893514..4b4fa1b 100644
--- a/app/src/main/java/org/matrix/chromext/script/Parser.kt
+++ b/app/src/main/java/org/matrix/chromext/script/Parser.kt
@@ -1,5 +1,7 @@
 package org.matrix.chromext.script
 
+import android.net.Uri
+import android.util.Base64
 import java.net.HttpURLConnection
 import java.net.URL
 import kotlin.text.Regex
@@ -80,6 +82,16 @@ fun parseScript(input: String, storage: String? = null): Script? {
 }
 
 private fun downloadLib(libUrl: String): String {
+  if (libUrl.startsWith("data:")) {
+    val chunks = libUrl.split(",").toMutableList()
+    val type = chunks.removeFirst()
+    val data = Uri.decode(chunks.joinToString(""))
+    if (type.endsWith("base64")) {
+      return Base64.decode(data, Base64.DEFAULT).toString()
+    } else {
+      return data
+    }
+  }
   val url = URL(libUrl)
   val connection = url.openConnection() as HttpURLConnection
   return connection.inputStream.bufferedReader().use { it.readText() }