diff --git a/classes/Config.php b/classes/Config.php
index ea98a85..c20c931 100644
--- a/classes/Config.php
+++ b/classes/Config.php
@@ -8,6 +8,7 @@ namespace Alltube;
 
 use Exception;
 use Symfony\Component\Yaml\Yaml;
+use Jawira\CaseConverter\Convert;
 
 /**
  * Manage config parameters.
@@ -222,17 +223,18 @@ class Config
 
     /**
      * Override options from environement variables.
-     * Supported environment variables: CONVERT, PYTHON, AUDIO_BITRATE.
+     * Environment variables should use screaming snake case: CONVERT, PYTHON, AUDIO_BITRATE, etc.
+     * If the value is an array, you should use the YAML format: "CONVERT_ADVANCED_FORMATS='[foo, bar]'"
      *
      * @return void
      */
     private function getEnv()
     {
-        foreach (['CONVERT', 'PYTHON', 'AUDIO_BITRATE', 'STREAM'] as $var) {
-            $env = getenv($var);
+        foreach (get_object_vars($this) as $prop => $value) {
+            $convert = new Convert($prop);
+            $env = getenv($convert->toSnake(true));
             if ($env) {
-                $prop = lcfirst(str_replace('_', '', ucwords(strtolower($var), '_')));
-                $this->$prop = $env;
+                $this->$prop = Yaml::parse($env);
             }
         }
     }
diff --git a/composer.json b/composer.json
index 5d2c0fc..371f350 100644
--- a/composer.json
+++ b/composer.json
@@ -16,7 +16,8 @@
     "zonuexe/http-accept-language": "~0.4.1",
     "rinvex/countries": "~3.1.0",
     "php-mock/php-mock-mockery": "~1.3.0",
-    "ext-xsl": "*"
+    "ext-xsl": "*",
+    "jawira/case-converter": "^1.2"
   },
   "require-dev": {
     "symfony/var-dumper": "~3.4.1",
diff --git a/composer.lock b/composer.lock
index 2b960a4..dcfb0d6 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "07b922cb69b4f4dbd5e537656d559c8d",
+    "content-hash": "c92febd7767c29a4160d24a434ba0d4a",
     "packages": [
         {
             "name": "aura/session",
@@ -374,6 +374,50 @@
             ],
             "time": "2016-01-20T08:20:44+00:00"
         },
+        {
+            "name": "jawira/case-converter",
+            "version": "v1.2.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/jawira/case-converter.git",
+                "reference": "79716629a298e44507a8eed9b997968f39367abc"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/jawira/case-converter/zipball/79716629a298e44507a8eed9b997968f39367abc",
+                "reference": "79716629a298e44507a8eed9b997968f39367abc",
+                "shasum": ""
+            },
+            "require": {
+                "ext-mbstring": "*",
+                "php": ">=5.4"
+            },
+            "suggest": {
+                "pds/skeleton": "PHP Package Development Standards"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Jawira\\CaseConverter\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Jawira Portugal"
+                }
+            ],
+            "description": "Convert string between **Camel Case** ?, **Snake Case** ?and **Kebab Case** ?.",
+            "keywords": [
+                "camel case",
+                "kebab case",
+                "snake case"
+            ],
+            "time": "2019-03-18T05:59:08+00:00"
+        },
         {
             "name": "mathmarques/smarty-view",
             "version": "1.1.2",