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@kishida-s

jpgのqualityを確認する方法 [ImageMagick]

More than 1 year has passed since last update.

目的

手元にあるjpgファイルが、qualityいくつで圧縮されたのかが知りたい!

環境

  • macOS High Sierra
  • homebrew がインストールされていること

手順

ImageMagick のインストール

$ brew install imagemagick

quality の確認

$ identify -format '%f:%Q\n' hoge.jpg

以下のように出力されます

hoge.jpg:85

%f (ファイルネーム), %Q (quality)以外に指定できるものはこちらを参照

参考

imagemagick 公式

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kishida-s
Software engineer?
AI-medical-service
近未来の内視鏡医療を実現する医療ベンチャー

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