選んだ品質で再エンコードして、画像のファイルサイズを縮小します。
Convert an image to JPG, PNG, WebP, GIF, BMP or TIFF.
Resize an image by width/height or percentage, keeping aspect ratio.
Rotate an image by an angle and/or flip it horizontally or vertically.
Crop an image to a rectangular region.
Add a text caption or watermark onto an image.
Overlay a second image (logo/watermark) onto a base image.