diff --git a/ROThumbnailGenerator.podspec b/ROThumbnailGenerator.podspec
index 228e835..3ec8a7c 100644
--- a/ROThumbnailGenerator.podspec
+++ b/ROThumbnailGenerator.podspec
@@ -9,7 +9,7 @@
 
 Pod::Spec.new do |s|
 s.name             = "ROThumbnailGenerator"
-s.version          = "1.0.2"
+s.version          = "1.0.3"
 s.summary          = "Creates thumbnails of different file types very easily"
 s.description      = <<-DESC
 It does create a thumbnail by the given file url. Creation of PDF, Image and Video thumbnails is per default supported.
diff --git a/ROThumbnailGenerator/Info.plist b/ROThumbnailGenerator/Info.plist
index 2da58cf..99b270e 100644
--- a/ROThumbnailGenerator/Info.plist
+++ b/ROThumbnailGenerator/Info.plist
@@ -15,11 +15,11 @@
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>1.0.2</string>
+	<string>1.0.3</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>
-	<string>15224</string>
+	<string>15259</string>
 	<key>LSRequiresIPhoneOS</key>
 	<true/>
 	<key>UILaunchStoryboardName</key>
diff --git a/Source/ROThumbnail.swift b/Source/ROThumbnail.swift
index b18b3d8..1dcacf4 100644
--- a/Source/ROThumbnail.swift
+++ b/Source/ROThumbnail.swift
@@ -11,6 +11,7 @@ import UIKit
 public class ROThumbnail {
     
     public static let sharedInstance:ROThumbnail = ROThumbnail()
+    public var imageQuality:CGFloat = 1.0 // Default is 100% JPEG image quality
     private var supportedFiletypes:Dictionary<String, ROThumbnailGenerator> = [:]
     
     init() {
@@ -34,7 +35,7 @@ public class ROThumbnail {
     */
     public func addThumbnailGenerator(thumbnailGenerator:ROThumbnailGenerator) {
         for fileExtension in thumbnailGenerator.supportedExtensions {
-            supportedFiletypes[fileExtension] = thumbnailGenerator
+            supportedFiletypes[fileExtension.lowercaseString] = thumbnailGenerator
         }
     }
     
@@ -46,8 +47,14 @@ public class ROThumbnail {
      */
     public func getThumbnail(url:NSURL) -> UIImage {
         if let fileExtension = url.pathExtension {
-            var appropriateThumbnailGenerator = supportedFiletypes[fileExtension] ?? DefaultThumbnailGenerator()
-            return appropriateThumbnailGenerator.getThumbnail(url)
+            var appropriateThumbnailGenerator = supportedFiletypes[fileExtension.lowercaseString] ?? DefaultThumbnailGenerator()
+            var thumbnail = appropriateThumbnailGenerator.getThumbnail(url)
+            
+            // Image quality of the thumbnail is defined in the imageQuality variable, can be setted from outside
+            var jpeg:NSData = UIImageJPEGRepresentation(thumbnail, imageQuality)
+            thumbnail = UIImage(data: jpeg)!
+            
+            return thumbnail
         }
         
         return UIImage(named:"fallbackIcon")!