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EWWW Image Optimizer

Reduce file sizes for images in WordPress including NextGEN, GRAND FlAGallery and more using lossless/lossy methods and image format conversion.

Contact and Credits

Written by Shane Bishop. Based upon CW Image Optimizer, which was written by Jacob Allred at Corban Works, LLC. CW Image Optimizer was based on WP Smush.it. Jpegtran is the work of the Independent JPEG Group. Hammer designed by John Caserta from The Noun Project. Images designed by Simon Henrotte from The Noun Project.

optipng

Copyright (C) 2001-2014 Cosmin Truta and the Contributing Authors. For the purpose of copyright and licensing, the list of Contributing Authors is available in the accompanying AUTHORS file.

This software is provided 'as-is', without any express or implied warranty. In no event will the author(s) be held liable for any damages arising from the use of this software.

pngquant.c

© 1989, 1991 by Jef Poskanzer.

Permission to use, copy, modify, and distribute this software and its documentation for any purpose and without fee is hereby granted, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation. This software is provided "as is" without express or implied warranty.

pngquant.c and rwpng.c/h

© 1997-2002 by Greg Roelofs; based on an idea by Stefan Schneider. © 2009-2014 by Kornel Lesiński.

All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

  1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.

  2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

WebP

Copyright (c) 2010, Google Inc. All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

  • Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.

  • Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

  • Neither the name of Google nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Webhosts

In general, these lists only apply to shared hosting services. If the providers below have VPS or dedicated server options, those will likely work just fine. If you have any contributions or corrections to these lists, please contact me via the form at http://www.shanebishop.net

Webhosts where things work out of the box.

Webhosts where the plugin will only work in cloud mode or only some tools are installed locally.

Requires: 3.5 or higher
Compatible up to: 4.1.1
Last Updated: 2015-1-10
Active Installs: 100,000+

Ratings

4.6 out of 5 stars

Support

81 of 98 support threads in the last two months have been resolved.

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Compatibility

+
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Works!

5 people say it works.
0 people say it's broken.

100,2,2 100,1,1 100,2,2 100,2,2
100,2,2 100,1,1 50,2,1 100,1,1
100,1,1 0,1,0 100,5,5
0,1,0 100,1,1 100,3,3 100,1,1 0,1,0 100,1,1 100,1,1 0,1,0
100,1,1 100,1,1 100,2,2 100,2,2
100,1,1 100,5,5 100,1,1 100,2,2 0,1,0 100,4,4 100,3,3 100,3,3
75,4,3 100,1,1
100,5,5 100,2,2 100,1,1
100,1,1 100,1,1 100,1,1 100,1,1 100,2,2 100,1,1 100,1,1
100,1,1
100,1,1 33,3,1 100,5,5 100,1,1 100,2,2 100,1,1 100,1,1
100,3,3 80,5,4
100,8,8 33,3,1 100,1,1 100,6,6 100,1,1 100,6,6 100,2,2
100,5,5 50,2,1
100,2,2 100,2,2 100,3,3 100,6,6
100,5,5 100,2,2 100,1,1
100,4,4 100,3,3 100,4,4
100,7,7 100,2,2 100,1,1 100,1,1
100,1,1 100,1,1 91,11,10
100,5,5