縦横比を保ったまま、幅や高さ、またはパーセントで画像のサイズを変更します。
Convert an image to JPG, PNG, WebP, GIF, BMP or TIFF.
Reduce image file size by re-encoding at a chosen quality.
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.