diff --git a/SDWebImage/UIImage+MultiFormat.h b/SDWebImage/UIImage+MultiFormat.h
index 951d66a5..d3496582 100644
--- a/SDWebImage/UIImage+MultiFormat.h
+++ b/SDWebImage/UIImage+MultiFormat.h
@@ -52,7 +52,7 @@
  @param imageFormat The specify image format
  @return The encoded data. If can't encode, return nil
  */
-- (nullable NSData *)sd_imageDataAsFormat:(SDImageFormat)imageFormat;
+- (nullable NSData *)sd_imageDataAsFormat:(SDImageFormat)imageFormat NS_SWIFT_NAME(sd_imageData(as:));
 
 /**
  Encode the current image to data with the specify image format and compression quality
@@ -61,7 +61,7 @@
  @param compressionQuality The quality of the resulting image data. Value between 0.0-1.0. Some coders may not support compression quality.
  @return The encoded data. If can't encode, return nil
  */
-- (nullable NSData *)sd_imageDataAsFormat:(SDImageFormat)imageFormat compressionQuality:(double)compressionQuality;
+- (nullable NSData *)sd_imageDataAsFormat:(SDImageFormat)imageFormat compressionQuality:(double)compressionQuality NS_SWIFT_NAME(sd_imageData(as:compressionQuality:));
 
 /**
  Encode the current image to data with the specify image format and compression quality, allow specify animate/static control
@@ -71,6 +71,6 @@
  @param firstFrameOnly Even if the image is animated image, encode the first frame only as static image.
  @return The encoded data. If can't encode, return nil
  */
-- (nullable NSData *)sd_imageDataAsFormat:(SDImageFormat)imageFormat compressionQuality:(double)compressionQuality firstFrameOnly:(BOOL)firstFrameOnly;
+- (nullable NSData *)sd_imageDataAsFormat:(SDImageFormat)imageFormat compressionQuality:(double)compressionQuality firstFrameOnly:(BOOL)firstFrameOnly NS_SWIFT_NAME(sd_imageData(as:compressionQuality:firstFrameOnly:));
 
 @end