- 121,521 total downloads
- last updated 11/2/2019
- Latest version: 4.2.6-pre
Apply grayscale, sepia, alpha, or brightness filters via the URL.
* &s.grayscale=true|y|ry|ntsc|bt709|flat (true, ntsc, and y produce identical results)
* &s.sepia=true
* &s.alpha= 0..1
* &s.brightness=-1..1
* &s.contrast=-1..1
* &s.saturation=-1..1
* &s.invert=true
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