diff --git a/lib/platform_image_converter.dart b/lib/platform_image_converter.dart
index e4cc89e..965bd78 100644
--- a/lib/platform_image_converter.dart
+++ b/lib/platform_image_converter.dart
@@ -69,6 +69,10 @@ class ImageConverter {
     ResizeMode resizeMode = const OriginalResizeMode(),
     bool runInIsolate = true,
   }) async {
+    assert(
+      quality >= 1 && quality <= 100,
+      'Quality must be between 1 and 100.',
+    );
     if (runInIsolate) {
       return await compute(_convertInIsolate, (
         inputData: inputData,
diff --git a/lib/src/darwin/native.dart b/lib/src/darwin/native.dart
index 9228bee..bb2874e 100644
--- a/lib/src/darwin/native.dart
+++ b/lib/src/darwin/native.dart
@@ -228,10 +228,9 @@ final class ImageConverterDarwin implements ImageConverterPlatform {
   }
 
   CGImageRef _resizeImage(CGImageRef originalImage, int width, int height) {
-    CGColorSpaceRef? colorSpace;
     CGContextRef? context;
     try {
-      colorSpace = CGImageGetColorSpace(originalImage);
+      final colorSpace = CGImageGetColorSpace(originalImage);
       if (colorSpace == nullptr) {
         throw Exception('Failed to get color space from image.');
       }
@@ -271,7 +270,6 @@ final class ImageConverterDarwin implements ImageConverterPlatform {
       }
       return resizedImage;
     } finally {
-      if (colorSpace != null) CFRelease(colorSpace.cast());
       if (context != null) CFRelease(context.cast());
     }
   }
diff --git a/lib/src/web/web.dart b/lib/src/web/web.dart
index f6f5803..dec8dfb 100644
--- a/lib/src/web/web.dart
+++ b/lib/src/web/web.dart
@@ -44,17 +44,17 @@ final class ImageConverterWeb implements ImageConverterPlatform {
     ResizeMode resizeMode = const OriginalResizeMode(),
   }) async {
     final img = HTMLImageElement();
-    final decodeCompeleter = Completer<void>();
+    final decodeCompleter = Completer<void>();
 
     final blob = Blob([inputData.toJS].toJS);
     final url = URL.createObjectURL(blob);
-    img.onLoad.listen((_) => decodeCompeleter.complete());
+    img.onLoad.listen((_) => decodeCompleter.complete());
     img.onError.listen((e) {
       URL.revokeObjectURL(url);
-      decodeCompeleter.completeError('Failed to load image: $e');
+      decodeCompleter.completeError('Failed to load image: $e');
     });
     img.src = url;
-    await decodeCompeleter.future;
+    await decodeCompleter.future;
     URL.revokeObjectURL(url);
 
     final canvas = HTMLCanvasElement();