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Sevaarcen/bulk-convert-png-to-webp.ps1

Last active March 1, 2022 20:56
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Bulk Convert PNG to WEBP
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bulk-convert-png-to-webp.ps1
# https://developers.google.com/speed/webp/download
Get-ChildItem -Path . -File -Depth 0 | ForEach-Object -Parallel { &'C:\Program Files\libwebp\bin\cwebp.exe' -q 75 "$_" -o "$([io.path]::GetFileNameWithoutExtension($_)).webp" } -ThrottleLimit 16
@bgoewert
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bgoewert commented Mar 1, 2022

Useful flags for bulk converting

-mt

  • For multi-threading, if possible.

-m 0-6

  • Specify the compression method to use. This parameter controls the trade off between encoding speed and the compressed file size and quality. Possible values range from 0 to 6. Default value is 4. When higher values are used, the encoder will spend more time inspecting additional encoding possibilities and decide on the quality gain. Lower value can result in faster processing time at the expense of larger file size and lower compression quality.

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