Help us understand the problem. What is going on with this article?


More than 5 years have passed since last update.


  • 縦横比を維持せず、指定されたサイズに伸縮
    convert -scale WxH! inputfile outputfile

  • 縦横比を維持して、両側をクロップ
    convert -resize WxH^ -gravity center -crop WxH+0+0 [+repage] inputfile outputfile

  • 縦横比を維持して、両側の余白部分は塗り潰す
    convert -resize WxH -gravity center -background red -extent WxH inputfile outputfile



ImageMagick: Command-line Options

Why not register and get more from Qiita?
  1. We will deliver articles that match you
    By following users and tags, you can catch up information on technical fields that you are interested in as a whole
  2. you can read useful information later efficiently
    By "stocking" the articles you like, you can search right away