Support » Plugin: WebP Express » How I can recreate webp for individual image?

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  • Plugin Author


    Hi @jek-fdrv,

    Thanks for your review and for standing up for me in that one star review 🙂

    You should be able to simply do another bulk convert. When conversions fails with a “failed” message, no webp is created. A new bulk convert will only create missing webps.

    Plugin Author


    To find out why those conversions failed, you can try to view your wp-content/webp-express/log/conversions dir. There should be a log file for each (failed) conversion

    Oh, Rosell, you are the brilliant developer =)

    And thank yo for the thanks =)

    I will be with you if you need any other help from me =)

    Thanks for so fast reply also!

    The plugin works as sharm….

    So for failed image I should be able to find log about that image in the same directory as image?

    I dont know why but it doenst work for me.

    Plugin Author


    I’m guessing that it has something to do with the filenames. If WebP Express isn’t able to locate the source file, it currently fails without generating the log file.

    On top of that, the file that is looked for is the sanitized filename. The WordPress sanitization function might have changed the input.

    This takes place in wp-content/plugins/webp-express/lib/classes/Convert.php line 148:

    $filename = sanitize_text_field($_POST['filename']);

    Removing the sanitizing manually temporarily might solve the problem (temporarily):

    $filename = $_POST['filename'];

    Can you email me a couple of problematic images? My email is found here:

    Hi Rosel. One more question, how we can support webP with transparent background and also with animation from gif?

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