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To see all available qualifiers, see our documentation.
Usage: quality(amount)
This filter changes the overall quality of the JPEG image (does nothing for PNGs or GIFs).
amount - 0 to 100 - The quality level (in %) that the end image will feature.
http://thumbor-server/filters:quality(40)/some/image.jpg
Picture before the quality filter
Picture after 10% quality