optipng

all

PNG file optimization utility.

Examples (6)

Compress a PNG with default settings

optipng path/to/file.png

Compress a PNG with the best compression

optipng -o 7 path/to/file.png

Compress a PNG with the fastest compression

optipng -o 0 path/to/file.png

Compress a PNG and add interlacing

optipng -i 1 path/to/file.png

Compress a PNG and preserve all metadata (including file timestamps)

optipng -preserve path/to/file.png

Compress a PNG and remove all metadata

optipng -strip all path/to/file.png