Regenerate Thumbnails

Regenerate Thumbnails allows you to regenerate the thumbnails for all of your image attachments. This is very handy if you’ve changed any of your thumbnail dimensions (via Settings → Media) after previously uploading images.

Download:

  • Download from WordPress.org (626,968 downloads)

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548 thoughts on “Regenerate Thumbnails

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  2. spacer KubiQ says:

    What about ERROR::”function (){if(!d){var c=arguments,g,h,i,j,k;b&&(k=b,b=0);for(g=0,h=c.length;g” ??
    How can I fix it?

    Reply
    1. spacer Alex (Viper007Bond) says:

      From my experience that means that the AJAX is returning an invalid response (invalid JSON). I think it’s a bug in jQuery.

      I’m not sure how to fix it. spacer

      If you know how to use Firebug or Chrome’s developer tools, inspect the AJAX response and see what you’re getting back.

      Reply
  3. spacer PM says:

    Hi,

    I really love your plug-in but since WP 3.3.1 release, it isn’t working any more (same for 3.3.2).

    spacer

    Reply
    1. spacer Alex (Viper007Bond) says:

      What do you mean by “it isn’t working any more”? In what way?

      Reply
      1. spacer Mel says:

        Hi alex. it’s not working on our wp site, we’re using 3.2 Please help. thanks

        Reply
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  5. spacer Mel says:

    It’s not working on our site. we’re using 3.2WP ver.

    please help. Thanks

    Reply
    1. spacer Alex (Viper007Bond) says:

      Hi Mel,

      As I mentioned previously, you’re going to have to be a lot more descriptive than “not working on our site”. That’s like asking a car mechanic to diagnose your broken car over the telephone and the only information you’ll tell them is “it’s not working”.

      Reply
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  7. spacer Suzie says:

    Let’s see if I can explain this, the plug-in resized my thumbnails so when I am viewing them on the back end in the gallery they look right, but when I publish my site they have not changed. Any thoughts?

    Reply
    1. spacer Alex (Viper007Bond) says:

      My plugin doesn’t go through your posts and edit them to reference the new sizes, not yet at least. If you have hard-coded references to images in your post, you’ll need to manually update those.

      Gallery thumbnails, attachment pages, post thumbnails, etc. will automatically be updated though.

      Reply
  8. spacer toyNN says:

    Thanks for a great plug-in. I’ve used it quite successfully previously but I’m wondering if there could be a possible enhancement where it could be selective on which image size gets re-generated. In my case I’ve added a new thumbnail image size of 80×80 used for post navigation. It seems it would be helpful if I could just re-gen all the thumbs for that new image size vs. re-gen all thumb sizes (site has a lot of images and several custom sizes).

    Reply
    1. spacer Alex (Viper007Bond) says:

      I don’t believe the WordPress API supports this. I’d need to reinvent the wheel or do some hacky stuff.

      Maybe in the future though.

      Reply
      1. spacer sunshine.by says:

        Actually, Alex, I think WP does that – provided that toyNN registers that size. I ran into a similar problem where I have to regenerate a thousands of image thumbnails – for the post_thumbnail function

        Reply
        1. spacer Alex Mills (Viper007Bond) says:

          I’m 99.99% sure that it’s an all or nothing thing.

          Reply
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