diff --git a/android/src/main/kotlin/carnegietechnologies/gallery_saver/GallerySaver.kt b/android/src/main/kotlin/carnegietechnologies/gallery_saver/GallerySaver.kt
index 3b92c04..966edce 100644
--- a/android/src/main/kotlin/carnegietechnologies/gallery_saver/GallerySaver.kt
+++ b/android/src/main/kotlin/carnegietechnologies/gallery_saver/GallerySaver.kt
@@ -3,7 +3,6 @@ package carnegietechnologies.gallery_saver
 import android.Manifest
 import android.app.Activity
 import android.content.pm.PackageManager
-import android.graphics.BitmapFactory
 import androidx.core.app.ActivityCompat
 import io.flutter.plugin.common.MethodCall
 import io.flutter.plugin.common.MethodChannel
@@ -25,18 +24,6 @@ class GallerySaver internal constructor(private val activity: Activity) :
     private val job = Job()
     private val uiScope = CoroutineScope(Dispatchers.Main + job)
 
-    /**
-     * Checks if the file specified by the [path] is an image.
-     *
-     * The function returns true/false depending on whether the bounds can be read.
-     */
-    internal fun isImage(path: String): Boolean {
-        val options = BitmapFactory.Options()
-        options.inJustDecodeBounds = true
-        BitmapFactory.decodeFile(path, options)
-        return (options.outWidth != -1 && options.outHeight != -1)
-    }
-
     /**
      * Saves image or video to device
      *
diff --git a/android/src/main/kotlin/carnegietechnologies/gallery_saver/GallerySaverPlugin.kt b/android/src/main/kotlin/carnegietechnologies/gallery_saver/GallerySaverPlugin.kt
index 03c8182..089f05b 100644
--- a/android/src/main/kotlin/carnegietechnologies/gallery_saver/GallerySaverPlugin.kt
+++ b/android/src/main/kotlin/carnegietechnologies/gallery_saver/GallerySaverPlugin.kt
@@ -26,12 +26,6 @@ class GallerySaverPlugin private constructor(
         when (call.method) {
             "saveImage" -> gallerySaver.checkPermissionAndSaveFile(call, result, MediaType.image)
             "saveVideo" -> gallerySaver.checkPermissionAndSaveFile(call, result, MediaType.video)
-            "image.check" -> {
-                val path = call.arguments<String>()
-                val isImage = gallerySaver.isImage(path)
-
-                result.success(isImage)
-            }
             else -> result.notImplemented()
         }
     }
diff --git a/ios/Classes/SwiftGallerySaverPlugin.swift b/ios/Classes/SwiftGallerySaverPlugin.swift
index 6e7e56d..78acaaf 100644
--- a/ios/Classes/SwiftGallerySaverPlugin.swift
+++ b/ios/Classes/SwiftGallerySaverPlugin.swift
@@ -22,27 +22,11 @@ public class SwiftGallerySaverPlugin: NSObject, FlutterPlugin {
             self.saveMedia(call, .image, result)
         } else if call.method == "saveVideo" {
             self.saveMedia(call, .video, result)
-        } else if call.method == "image.check" {
-            checkImage(call, result)
         } else {
             result(FlutterMethodNotImplemented)
         }
     }
     
-    /// Attempts to read the size of a image specified as the single argument to the `call`.
-    /// 
-    /// - Parameters:
-    ///   - call: method object with params for saving media
-    ///   - result: flutter result that gets sent back to the dart code
-    ///
-    func checkImage(_ call: FlutterMethodCall, _ result: @escaping FlutterResult) {
-        let path = call.arguments as! String
-        let url = URL(fileURLWithPath: path)
-        let size = SwiftGallerySaverPlugin.sizeOfImageAt(url: url)
-        
-        result(size != nil)
-    }
-    
     /// Tries to save image to the photos app.
     /// If user hasn't already permitted saving to the photos, it will be requested
     /// to do so.
@@ -138,24 +122,5 @@ public class SwiftGallerySaverPlugin: NSObject, FlutterPlugin {
             }
         }
     }
-    
-    private static func sizeOfImageAt(url: URL) -> CGSize? {
-        // with CGImageSource we avoid loading the whole image into memory
-        guard let source = CGImageSourceCreateWithURL(url as CFURL, nil) else {
-            return nil
-        }
-
-        let propertiesOptions = [kCGImageSourceShouldCache: false] as CFDictionary
-        guard let properties = CGImageSourceCopyPropertiesAtIndex(source, 0, propertiesOptions) as? [CFString: Any] else {
-            return nil
-        }
-
-        if let width = properties[kCGImagePropertyPixelWidth] as? CGFloat,
-            let height = properties[kCGImagePropertyPixelHeight] as? CGFloat {
-            return CGSize(width: width, height: height)
-        } else {
-            return nil
-        }
-    }
 }
 
diff --git a/lib/files.dart b/lib/files.dart
index 83f3d8d..debc453 100644
--- a/lib/files.dart
+++ b/lib/files.dart
@@ -9,7 +9,15 @@ const List<String> videoFormats = [
   '.mkv',
   '.flv'
 ];
-
+const List<String> imageFormats = [
+  '.jpeg',
+  '.png',
+  '.jpg',
+  '.gif',
+  '.webp',
+  '.tif',
+  '.heic'
+];
 const http = 'http';
 
 bool isLocalFilePath(String path) {
@@ -19,3 +27,6 @@ bool isLocalFilePath(String path) {
 
 bool isVideo(String path) =>
     videoFormats.contains(extension(path).toLowerCase());
+
+bool isImage(String path) =>
+    imageFormats.contains(extension(path).toLowerCase());
diff --git a/lib/gallery_saver.dart b/lib/gallery_saver.dart
index c22aa83..77d0e5f 100644
--- a/lib/gallery_saver.dart
+++ b/lib/gallery_saver.dart
@@ -46,7 +46,7 @@ class GallerySaver {
     if (path == null || path.isEmpty) {
       throw ArgumentError(pleaseProvidePath);
     }
-    if (!await _checkIfFileIsImage(path)) {
+    if (!isImage(path)) {
       throw ArgumentError(fileIsNotImage);
     }
     if (!isLocalFilePath(path)) {
@@ -65,10 +65,6 @@ class GallerySaver {
     return result;
   }
 
-  static Future<bool> _checkIfFileIsImage(String path) async {
-    return _channel.invokeMethod<bool>('image.check', path);
-  }
-
   static Future<File> _downloadFile(String url) async {
     print(url);
     http.Client _client = new http.Client();