画像を長方形の範囲で切り抜きます。
Convert an image to JPG, PNG, WebP, GIF, BMP or TIFF.
Reduce image file size by re-encoding at a chosen quality.
Resize an image by width/height or percentage, keeping aspect ratio.
Rotate an image by an angle and/or flip it horizontally or vertically.
Add a text caption or watermark onto an image.
Overlay a second image (logo/watermark) onto a base image.