diff --git a/Mac/Resources/Assets.xcassets/articleExtractor.imageset/ArticleExtractor.pdf b/Mac/Resources/Assets.xcassets/articleExtractor.imageset/ArticleExtractor.pdf
deleted file mode 100644
index 4806aaecb..000000000
Binary files a/Mac/Resources/Assets.xcassets/articleExtractor.imageset/ArticleExtractor.pdf and /dev/null differ
diff --git a/Mac/Resources/Assets.xcassets/articleExtractor.imageset/ArticleExtractor.png b/Mac/Resources/Assets.xcassets/articleExtractor.imageset/ArticleExtractor.png
new file mode 100644
index 000000000..9af1d10d4
Binary files /dev/null and b/Mac/Resources/Assets.xcassets/articleExtractor.imageset/ArticleExtractor.png differ
diff --git a/Mac/Resources/Assets.xcassets/articleExtractor.imageset/ArticleExtractor@2x.png b/Mac/Resources/Assets.xcassets/articleExtractor.imageset/ArticleExtractor@2x.png
new file mode 100644
index 000000000..fa4f44b82
Binary files /dev/null and b/Mac/Resources/Assets.xcassets/articleExtractor.imageset/ArticleExtractor@2x.png differ
diff --git a/Mac/Resources/Assets.xcassets/articleExtractor.imageset/Contents.json b/Mac/Resources/Assets.xcassets/articleExtractor.imageset/Contents.json
index 25d7d4f8e..68629067c 100644
--- a/Mac/Resources/Assets.xcassets/articleExtractor.imageset/Contents.json
+++ b/Mac/Resources/Assets.xcassets/articleExtractor.imageset/Contents.json
@@ -1,12 +1,22 @@
 {
   "images" : [
     {
+      "filename" : "ArticleExtractor.png",
       "idiom" : "universal",
-      "filename" : "ArticleExtractor.pdf"
+      "scale" : "1x"
+    },
+    {
+      "filename" : "ArticleExtractor@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "3x"
     }
   ],
   "info" : {
-    "version" : 1,
-    "author" : "xcode"
+    "author" : "xcode",
+    "version" : 1
   }
-}
\ No newline at end of file
+}
diff --git a/Mac/Resources/Assets.xcassets/articleExtractorInactiveDark.imageset/ArticleExtractorInactiveDark.pdf b/Mac/Resources/Assets.xcassets/articleExtractorInactiveDark.imageset/ArticleExtractorInactiveDark.pdf
deleted file mode 100644
index 28edebd24..000000000
Binary files a/Mac/Resources/Assets.xcassets/articleExtractorInactiveDark.imageset/ArticleExtractorInactiveDark.pdf and /dev/null differ
diff --git a/Mac/Resources/Assets.xcassets/articleExtractorInactiveDark.imageset/ArticleExtractorInactiveDark.png b/Mac/Resources/Assets.xcassets/articleExtractorInactiveDark.imageset/ArticleExtractorInactiveDark.png
new file mode 100644
index 000000000..bcde3ef96
Binary files /dev/null and b/Mac/Resources/Assets.xcassets/articleExtractorInactiveDark.imageset/ArticleExtractorInactiveDark.png differ
diff --git a/Mac/Resources/Assets.xcassets/articleExtractorInactiveDark.imageset/ArticleExtractorInactiveDark@2x.png b/Mac/Resources/Assets.xcassets/articleExtractorInactiveDark.imageset/ArticleExtractorInactiveDark@2x.png
new file mode 100644
index 000000000..2ae7def3f
Binary files /dev/null and b/Mac/Resources/Assets.xcassets/articleExtractorInactiveDark.imageset/ArticleExtractorInactiveDark@2x.png differ
diff --git a/Mac/Resources/Assets.xcassets/articleExtractorInactiveDark.imageset/Contents.json b/Mac/Resources/Assets.xcassets/articleExtractorInactiveDark.imageset/Contents.json
index 3aa79833f..1db0cf9f9 100644
--- a/Mac/Resources/Assets.xcassets/articleExtractorInactiveDark.imageset/Contents.json
+++ b/Mac/Resources/Assets.xcassets/articleExtractorInactiveDark.imageset/Contents.json
@@ -1,12 +1,22 @@
 {
   "images" : [
     {
+      "filename" : "ArticleExtractorInactiveDark.png",
       "idiom" : "universal",
-      "filename" : "ArticleExtractorInactiveDark.pdf"
+      "scale" : "1x"
+    },
+    {
+      "filename" : "ArticleExtractorInactiveDark@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "3x"
     }
   ],
   "info" : {
-    "version" : 1,
-    "author" : "xcode"
+    "author" : "xcode",
+    "version" : 1
   }
-}
\ No newline at end of file
+}
diff --git a/Mac/Resources/Assets.xcassets/articleExtractorInactiveLight.imageset/ArticleExtractorInactiveLight.pdf b/Mac/Resources/Assets.xcassets/articleExtractorInactiveLight.imageset/ArticleExtractorInactiveLight.pdf
deleted file mode 100644
index d09538c0c..000000000
Binary files a/Mac/Resources/Assets.xcassets/articleExtractorInactiveLight.imageset/ArticleExtractorInactiveLight.pdf and /dev/null differ
diff --git a/Mac/Resources/Assets.xcassets/articleExtractorInactiveLight.imageset/ArticleExtractorInactiveLight.png b/Mac/Resources/Assets.xcassets/articleExtractorInactiveLight.imageset/ArticleExtractorInactiveLight.png
new file mode 100644
index 000000000..20c37ccb7
Binary files /dev/null and b/Mac/Resources/Assets.xcassets/articleExtractorInactiveLight.imageset/ArticleExtractorInactiveLight.png differ
diff --git a/Mac/Resources/Assets.xcassets/articleExtractorInactiveLight.imageset/ArticleExtractorInactiveLight@2x.png b/Mac/Resources/Assets.xcassets/articleExtractorInactiveLight.imageset/ArticleExtractorInactiveLight@2x.png
new file mode 100644
index 000000000..a3f13ebc2
Binary files /dev/null and b/Mac/Resources/Assets.xcassets/articleExtractorInactiveLight.imageset/ArticleExtractorInactiveLight@2x.png differ
diff --git a/Mac/Resources/Assets.xcassets/articleExtractorInactiveLight.imageset/Contents.json b/Mac/Resources/Assets.xcassets/articleExtractorInactiveLight.imageset/Contents.json
index 1dff9cf00..c704ed974 100644
--- a/Mac/Resources/Assets.xcassets/articleExtractorInactiveLight.imageset/Contents.json
+++ b/Mac/Resources/Assets.xcassets/articleExtractorInactiveLight.imageset/Contents.json
@@ -1,12 +1,22 @@
 {
   "images" : [
     {
+      "filename" : "ArticleExtractorInactiveLight.png",
       "idiom" : "universal",
-      "filename" : "ArticleExtractorInactiveLight.pdf"
+      "scale" : "1x"
+    },
+    {
+      "filename" : "ArticleExtractorInactiveLight@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "3x"
     }
   ],
   "info" : {
-    "version" : 1,
-    "author" : "xcode"
+    "author" : "xcode",
+    "version" : 1
   }
-}
\ No newline at end of file
+}
diff --git a/Mac/Resources/Assets.xcassets/articleExtractorProgress1.imageset/ArticleExtractorProgress1.pdf b/Mac/Resources/Assets.xcassets/articleExtractorProgress1.imageset/ArticleExtractorProgress1.pdf
deleted file mode 100644
index b1737c594..000000000
Binary files a/Mac/Resources/Assets.xcassets/articleExtractorProgress1.imageset/ArticleExtractorProgress1.pdf and /dev/null differ
diff --git a/Mac/Resources/Assets.xcassets/articleExtractorProgress1.imageset/ArticleExtractorProgress1.png b/Mac/Resources/Assets.xcassets/articleExtractorProgress1.imageset/ArticleExtractorProgress1.png
new file mode 100644
index 000000000..570378137
Binary files /dev/null and b/Mac/Resources/Assets.xcassets/articleExtractorProgress1.imageset/ArticleExtractorProgress1.png differ
diff --git a/Mac/Resources/Assets.xcassets/articleExtractorProgress1.imageset/ArticleExtractorProgress1@2x.png b/Mac/Resources/Assets.xcassets/articleExtractorProgress1.imageset/ArticleExtractorProgress1@2x.png
new file mode 100644
index 000000000..ad4d58f5b
Binary files /dev/null and b/Mac/Resources/Assets.xcassets/articleExtractorProgress1.imageset/ArticleExtractorProgress1@2x.png differ
diff --git a/Mac/Resources/Assets.xcassets/articleExtractorProgress1.imageset/Contents.json b/Mac/Resources/Assets.xcassets/articleExtractorProgress1.imageset/Contents.json
index 389bc2d91..4cd3ef91c 100644
--- a/Mac/Resources/Assets.xcassets/articleExtractorProgress1.imageset/Contents.json
+++ b/Mac/Resources/Assets.xcassets/articleExtractorProgress1.imageset/Contents.json
@@ -1,12 +1,22 @@
 {
   "images" : [
     {
+      "filename" : "ArticleExtractorProgress1.png",
       "idiom" : "universal",
-      "filename" : "ArticleExtractorProgress1.pdf"
+      "scale" : "1x"
+    },
+    {
+      "filename" : "ArticleExtractorProgress1@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "3x"
     }
   ],
   "info" : {
-    "version" : 1,
-    "author" : "xcode"
+    "author" : "xcode",
+    "version" : 1
   }
-}
\ No newline at end of file
+}
diff --git a/Mac/Resources/Assets.xcassets/articleExtractorProgress2.imageset/ArticleExtractorProgress2.pdf b/Mac/Resources/Assets.xcassets/articleExtractorProgress2.imageset/ArticleExtractorProgress2.pdf
deleted file mode 100644
index 939dcc5cc..000000000
Binary files a/Mac/Resources/Assets.xcassets/articleExtractorProgress2.imageset/ArticleExtractorProgress2.pdf and /dev/null differ
diff --git a/Mac/Resources/Assets.xcassets/articleExtractorProgress2.imageset/ArticleExtractorProgress2.png b/Mac/Resources/Assets.xcassets/articleExtractorProgress2.imageset/ArticleExtractorProgress2.png
new file mode 100644
index 000000000..2d9b473a3
Binary files /dev/null and b/Mac/Resources/Assets.xcassets/articleExtractorProgress2.imageset/ArticleExtractorProgress2.png differ
diff --git a/Mac/Resources/Assets.xcassets/articleExtractorProgress2.imageset/ArticleExtractorProgress2@2x.png b/Mac/Resources/Assets.xcassets/articleExtractorProgress2.imageset/ArticleExtractorProgress2@2x.png
new file mode 100644
index 000000000..f7883efec
Binary files /dev/null and b/Mac/Resources/Assets.xcassets/articleExtractorProgress2.imageset/ArticleExtractorProgress2@2x.png differ
diff --git a/Mac/Resources/Assets.xcassets/articleExtractorProgress2.imageset/Contents.json b/Mac/Resources/Assets.xcassets/articleExtractorProgress2.imageset/Contents.json
index c3b85cb64..21de8a7fd 100644
--- a/Mac/Resources/Assets.xcassets/articleExtractorProgress2.imageset/Contents.json
+++ b/Mac/Resources/Assets.xcassets/articleExtractorProgress2.imageset/Contents.json
@@ -1,12 +1,22 @@
 {
   "images" : [
     {
+      "filename" : "ArticleExtractorProgress2.png",
       "idiom" : "universal",
-      "filename" : "ArticleExtractorProgress2.pdf"
+      "scale" : "1x"
+    },
+    {
+      "filename" : "ArticleExtractorProgress2@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "3x"
     }
   ],
   "info" : {
-    "version" : 1,
-    "author" : "xcode"
+    "author" : "xcode",
+    "version" : 1
   }
-}
\ No newline at end of file
+}
diff --git a/Mac/Resources/Assets.xcassets/articleExtractorProgress3.imageset/ArticleExtractorProgress3.pdf b/Mac/Resources/Assets.xcassets/articleExtractorProgress3.imageset/ArticleExtractorProgress3.pdf
deleted file mode 100644
index d27a6269b..000000000
Binary files a/Mac/Resources/Assets.xcassets/articleExtractorProgress3.imageset/ArticleExtractorProgress3.pdf and /dev/null differ
diff --git a/Mac/Resources/Assets.xcassets/articleExtractorProgress3.imageset/ArticleExtractorProgress3.png b/Mac/Resources/Assets.xcassets/articleExtractorProgress3.imageset/ArticleExtractorProgress3.png
new file mode 100644
index 000000000..ee2ef5db6
Binary files /dev/null and b/Mac/Resources/Assets.xcassets/articleExtractorProgress3.imageset/ArticleExtractorProgress3.png differ
diff --git a/Mac/Resources/Assets.xcassets/articleExtractorProgress3.imageset/ArticleExtractorProgress3@2x.png b/Mac/Resources/Assets.xcassets/articleExtractorProgress3.imageset/ArticleExtractorProgress3@2x.png
new file mode 100644
index 000000000..0a809afc7
Binary files /dev/null and b/Mac/Resources/Assets.xcassets/articleExtractorProgress3.imageset/ArticleExtractorProgress3@2x.png differ
diff --git a/Mac/Resources/Assets.xcassets/articleExtractorProgress3.imageset/Contents.json b/Mac/Resources/Assets.xcassets/articleExtractorProgress3.imageset/Contents.json
index a9ce26ffe..597630fa6 100644
--- a/Mac/Resources/Assets.xcassets/articleExtractorProgress3.imageset/Contents.json
+++ b/Mac/Resources/Assets.xcassets/articleExtractorProgress3.imageset/Contents.json
@@ -1,12 +1,22 @@
 {
   "images" : [
     {
+      "filename" : "ArticleExtractorProgress3.png",
       "idiom" : "universal",
-      "filename" : "ArticleExtractorProgress3.pdf"
+      "scale" : "1x"
+    },
+    {
+      "filename" : "ArticleExtractorProgress3@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "3x"
     }
   ],
   "info" : {
-    "version" : 1,
-    "author" : "xcode"
+    "author" : "xcode",
+    "version" : 1
   }
-}
\ No newline at end of file
+}
diff --git a/Mac/Resources/Assets.xcassets/articleExtractorProgress4.imageset/ArticleExtractorProgress4.pdf b/Mac/Resources/Assets.xcassets/articleExtractorProgress4.imageset/ArticleExtractorProgress4.pdf
deleted file mode 100644
index 2e27e98c6..000000000
Binary files a/Mac/Resources/Assets.xcassets/articleExtractorProgress4.imageset/ArticleExtractorProgress4.pdf and /dev/null differ
diff --git a/Mac/Resources/Assets.xcassets/articleExtractorProgress4.imageset/ArticleExtractorProgress4.png b/Mac/Resources/Assets.xcassets/articleExtractorProgress4.imageset/ArticleExtractorProgress4.png
new file mode 100644
index 000000000..54cb59f04
Binary files /dev/null and b/Mac/Resources/Assets.xcassets/articleExtractorProgress4.imageset/ArticleExtractorProgress4.png differ
diff --git a/Mac/Resources/Assets.xcassets/articleExtractorProgress4.imageset/ArticleExtractorProgress4@2x.png b/Mac/Resources/Assets.xcassets/articleExtractorProgress4.imageset/ArticleExtractorProgress4@2x.png
new file mode 100644
index 000000000..2c9bad220
Binary files /dev/null and b/Mac/Resources/Assets.xcassets/articleExtractorProgress4.imageset/ArticleExtractorProgress4@2x.png differ
diff --git a/Mac/Resources/Assets.xcassets/articleExtractorProgress4.imageset/Contents.json b/Mac/Resources/Assets.xcassets/articleExtractorProgress4.imageset/Contents.json
index cb931de4b..7f2137461 100644
--- a/Mac/Resources/Assets.xcassets/articleExtractorProgress4.imageset/Contents.json
+++ b/Mac/Resources/Assets.xcassets/articleExtractorProgress4.imageset/Contents.json
@@ -1,12 +1,22 @@
 {
   "images" : [
     {
+      "filename" : "ArticleExtractorProgress4.png",
       "idiom" : "universal",
-      "filename" : "ArticleExtractorProgress4.pdf"
+      "scale" : "1x"
+    },
+    {
+      "filename" : "ArticleExtractorProgress4@2x.png",
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "3x"
     }
   ],
   "info" : {
-    "version" : 1,
-    "author" : "xcode"
+    "author" : "xcode",
+    "version" : 1
   }
-}
\ No newline at end of file
+}