画像をJPG、PNG、WebP、GIF、BMP、TIFFに変換します。
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.
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.