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Quality
=======
Usage: `quality(amount)`
Description
-----------
This filter changes the overall quality of the JPEG image (does nothing
for PNGs or GIFs).
Arguments
---------
- ``amount`` - ``0 to 100`` - The quality level (in %) that the end image will
feature.
Example
-------
.. image:: images/tom_before_brightness.jpg
:alt: Picture before the quality filter
::
http://localhost:8888/unsafe/filters:quality(40)/https%3A%2F%2Fgithub.com%2Fthumbor%2Fthumbor%2Fraw%2Fmaster%2Fexample.jpg
.. image:: images/tom_after_quality.jpg
:alt: Picture after 10% quality
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