Backup source of JPEG/DPI (No. 2)

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  • 1 (2023-04-18 (Tue) 15:10:54)
  • 2 (2023-04-18 (Tue) 17:37:08)

- [[JPEG/APP0]] JFIF
- [[JPEG/APP1]] Exif
- [[JPEG/APP12]] Ducky (Adobe private marker)

* ImageMagick [#q9a9a182]

- https://blog.aoirint.com/entry/2020/change_image_dpi_imagemagick/
>
convert -density 72 -units PixelsPerInch IN.png OUT.png
>
identify -format '%x,%y\n' IN.png