Support » Plugin: EWWW Image Optimizer » Do I have to pay to use pngquant and jpegoptim?

  • Resolved cloferba


    Since these are free libraries, I was wondering to know if I can use your plugin for free and the libraries on my server without having to pay for API or ExactDN.

    Thank you

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  • Plugin Author nosilver4u


    First, to clarify, we do NOT use jpegoptim, we use jpegtran, which is quite different. Anyway, to answer your question:

    You don’t have to pay to use jpegtran or pngquant if your server will allow you to use it locally. The plugin includes copies of the free optimizers, and will attempt to install them on your server. It will attempt to verify that they are working, and if they don’t work, it will attempt to find them installed elsewhere on your server.

    All that said, the free libraries do not perform anywhere close to the premium compression available on the API and ExactDN. The free mode will typically average 8-10% savings (sometimes more, sometimes less), whereas the premium mode averages 45% savings, even more with ExactDN active.

    In a nutshell, the point of the plugin is to enable free optimization for anyone who wants it, and premium options for those who can afford it.

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