823 thoughts on “Regenerate Thumbnails”

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2. 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?

   • 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. 🙁

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

3. 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).

   🙁

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

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

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

   please help. Thanks

   • 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”.

     • lol it’s even bloody worse

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7. 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?

   • 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.

8. 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).

   • 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.

     • 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

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

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10. Hi, great plugin, however it’s not quite working for me.

    I’ve used the plugin and it’s created new resized thumbnails for all my images but for some reason it isn’t replacing the actual images on the website. What I mean is that although it’s created the new thumbnails it’s not replacing the images on the pages of my site.

    Any ideas? I’m using wordpress version 3.3.2

    • The URLs to your thumbnails are likely hard-coded into your content. My plugin doesn’t (yet) go through all of your posts and edit the HTML for them. You’ll need to do that yourself.

      • Hi Alex,
        I have a website (denimhunters.com) that I’ve been running for a couple years now and over time I’ve changed the “attached display settings” for my images from 628px width to 640px. Do you know of any plugin that can change the display size of the pictures that are displaying at 628px? I have run all my +8,000 pictures through your great plugin, but as Cian I thought this would do the job and change the displayed image size. But sadly it doesn’t. So once again, my question is if you know about a plugin that will do this job – if it’s even possible to make such a plugin? I have around 5,000 images that need to be changed so doing it manually is simply not an option.
        Thanks for you help.

        • The issue is the thumbnail URLs (complete with thumbnail size) are directly contained within your post’s contents.

          I worked on some code for this plugin that would loop though all posts, updating all thumbnail URLs to reflect the latest thumbnail sizes, but it was kinda buggy. I should probably revisit that though.

11. Hi Alex,

    Great plugin, we’ve used this across loads of sites at work. I’ve hit a slight issue however. We have a multisite setup with all sites using the same theme.

    We released version 1 6 months ago and now we’re starting to improve it. Slight snag in that all of the images were defined and now we’d need to regenerate them in order to change the appearance.

    Any experience with this plugin on a multisite setup and would it be possible to trigger the regeneration process on demand for all sites?

    Any feedback would be great.

12. Just wanted to say thanks! You saved me hours of manually re-uploading images on my client’s blog. Excellent work here.

13. Hi, does the plugg in work with images in the Galleries and how?

    • Yes, it works with any image that is dynamically generated by WordPress, including those in galleries.

14. Hi, just used your plugin and it stretched all my “featured images” for my blog… they didn’t used to look like this until I used the plugin…what am I doing wrong? how can I change this?

    see link for samples
    http://www.dsgphoto.com/category/blog/

    • Looks like you fixed it. Things look fine to me.

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17. Not sure why but the plugin stops on my WP 3.4.1 installation when regenerating thumbnails at 7.9% with the JAVASCRIPT error : TypeError: ‘null’ is not an object (evaluating ‘response.success’) on line 266 of tools.php. Any advice?

    • It seems to be something on this installation of WP. None of the thumbnails are generating in 3.4.1 for me. I even reinstalled WordPress. Nothing. Can i give you a login to the server to have a look?

      • Nevermind again, it seems to be a conflict with another plugin. Don’t have time to figure out which one right now either.

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22. Realy nice plugin that work like a sharm just one sugestion it would be nice to have a option to add a default thumb if no thumb is present as FB integration needs a Thumb and many post generated sometimes from other sources like twitter ect .

    • This plugin is meant for regenerating thumbnail images. Setting a default post image would be the job of a different plugin.

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24. Great plugin, indeed! I tried it allready and successfull at the first time. No error, neither problem… All my images where regenerated during preparing a coffee. I see it will be good now to connect this plugin with BuddyPress.

25. Awesome. Just had a problem w thumbnails, and then I remembered this plug in (from another site I have). So I installed, and it worked like magic (on my photography website). Absolutely great. Love it, and thank you.

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29. I just wanted to say Thank you very much for your time and effort in creating this plugin. For a long time I wanted to move away from TimThumb and use the regular post thumbnail functionality in WP but was never happy with the way images were turning out. Then a friend of mine suggested your plugin. AWESOME!!! now I recommend it to anyone and everyone. Again thank you very much. Keep up the good work.

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31. Thank you so much for this, it’s awesome!

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33. hi Alex, is there a way to also generate custom size thumbnail that are defined in the functions.php theme file ?
    thanks

    • Yep, the plugin already does this. 🙂

      • Actually, it didn’t work on my test site, but the functions.php calls another file (require etc;.) where the thumbs are defined. Should that be a problem…thx

        • It shouldn’t matter where it’s defined as long as it’s defined properly.

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35. Hi Alex, I was use your nice plugin, and images was regenerate and the plugin work great. But after regeneration, the images on posts with “full” and “large” size dimension is verry small (50h50). I dont know whats happened ? Please help. The dimension i sets in option is 300×300

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37. Alex, is there anyway to adjust permissions for the different user roles? For example, only administrators have access to plugins on my WordPress site, but I’d like to enable editors to regenerate thumbnails after they upload and post.

    Thanks in advance, and great plugin!

    • You’d have to edit the plugin and change the manage_options capability to something else: http://codex.wordpress.org/Roles_and_Capabilities#Capability_vs._Role_Table

38. Thank you! You really made my day 🙂

39. Alex, your plugin resize thumbnail images so you do not cut a piece?

    regenero when the thumbnails in my posts the pictures appears cut highlighted.

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41. Alex —

    Great plugin! Wondering if you know of a method to run this via the command line or a shell script? Have a site that we need to process this on to remove unnecessary images from the uploads for storage reasons.

    There’s currently 6500+ images and it’s just a very slow process to leave in the browser.

    • No but I should probably write a command for wp-cli and include it in the plugin.

42. Does Regenrate Thumbnails “remove unnecessary images” then? I thought it would not.

    • Good catch (overlooked that part of his comment). No, it does not, however Matt could manually remove all thumbnail images and then run my plugin to generate only the sizes that are currently registered.

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44. Hi Alex. Great plugin.

    However, I am having some issues. My home page posts use dynamic function calls for thumbnails:

    the_post_thumbnail(‘small-square’, array(‘class’ => ‘wpp-thumbnail wp-post-image’));

    However, when I run the plugin in my media library, it gives a message that 10 images have been processed successfully. I don’t see any indication of specific image sizes being generated, and on my home page, you can see that the original image is sourced in the img tag for the recent posts, for example.

    This is true for the entire site. I attempted to fix this using CSS hacks, and it’s holding me over until this gets working.

    I have contacted the theme author, and he attributes this to your plugin. I couldn’t find anything related to a similar problem.

    My wp-content directory has full perms available when I run your plugin.

    What can be going wrong?

    Thank you.

45. Heh, been using this plugin setting up my online store and noticed a familiar name 🙂 Greetings from a FinalGear regular! Thanks for the great little plugin.

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