tldr/pages/common/optipng.md

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# optipng
> PNG image file optimization utility.
- Compress a PNG with default settings:
`optipng {{path/to/file.png}}`
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- Compress a PNG with best compression:
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`optipng -o{{7}} {{path/to/file.png}}`
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- Compress a PNG with fastest compression:
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`optipng -o{{0}} {{path/to/file.png}}`
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- 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}}`
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- Compress a PNG and remove all metadata:
`optipng -strip all {{path/to/file.png}}`