Free WordPress Plugin: Dynamicwp Image Zoomer

Hi, today we glad to release a new plugin “Image Zoomer”. Image zoomer is jQuery zoom tool. The plugin gives any image on your page the ability to be magnified when the mouse rolls over it. The square effect uses a “magnifying glass” that appears over the image lets the user zoom in to show close-up detail of the image.



  • Easy – Just upload and activate the plugin.
  • Customize – The default zoom level (ie: 2x) and The default size of the “magnifier” (ie: 75×75) can be changed.
  • When the user scrolls the mouse wheel while over the image, the zoom level decreases or increases based on the scroll direction. The range of zoom can be changed (ie: 1x to 10x).


Please hover this image and try to scoll up or down.


Download (3.7 KiB, 3,038 hits)

[starrater tpl=10]

Installation Guide

  1. Download the plugin (see “Download” link above).
  2. Decompress the .zip archive and put the “zoomer.php” file into your plugins directory (/wp-content/plugins/).
    Or the other way, with your wordpress admin page > Plugins > Add New then choose upload on the top. Next choose File (.zip) then Install Nowinstallplugins
  3. Activate the plugin in the WordPress Plugins admin page.zoomerctivated

Question and Answer


  1. How to change the default zoom level?
    In your wordpress admin page > Settings > Image Zoomer, fill the form “Zoomer default power” with an integer greater or equal to 1.
  2. How to change the size of the “magnifier”?
    In your wordpress admin page > Settings > Image Zoomer, fill the form “Zoomer dimensions” with an integer, the default is 75 means 75×75.
  3. I want only certain images can be enlarged while others don’t, how?
    The default settings is your image will be zoomer all, but if you only want some of your image can be zoomer you can do it.
    First go to image zoomer settings panel “Settings > Image Zoomer”, check with “no” in Option “Zoom all image”. Then open a post that have image you want to zoom.
    In HTML editor find an image you want to zoome, than add “dwzoom” (without the quotes) to the class of image.
    For practical example :
    Before… (click for enlarge)

    After adding “dwzoom” class (click for enlarge)

Version History and Changelog

1.0 (2010-03-16)
Initial Release


The plugin is based Image Power Zoomer by Dynamic Drive.

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97 Comments to “Free WordPress Plugin: Dynamicwp Image Zoomer”

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  1. Coralitus says:

    its working in WP 3.3.1, but not seems bug for scrolling zoom…

  2. HI,

    Was wondering if there was a way or something in the works to make the zoom box a circle instead? Not sure if that was something that was being worked on. Thanks so much.

  3. lindsey says:

    zoom appears to be working correctly though the zoomed box appears below the original image…any ideas?

    • lindsey says:

      **update – i saw an older comment with the same issue. I tweeked the z-index (had to go up to 999) and the zoom displays nicely…..though in Chrome the zoom location is WAY off.. when the cursor is in the bottom 1/3 of the image the zoom displays the top 1/3. when the cursor is anywhere else on the image, the zoom won’t display at all.

  4. michael W says:

    how did you get it to work in wordpress 3.3.1????

  5. lindsey says:

    Hello again-

    the location of the zoom widow doesn’t correspond with the location of the cursor, it seems to be a browser compatibility issue as the issue is worse in Chrome than any other browser.

    I’ve been looking in zoomer.php to find a way to change the coordinates of the zoom window and being a javascript novice i wasn’t able to find it. if anyone has any clues or ideas i’d really appreciate it!


  6. Jules says:

    Great plug-in!
    I’d like to know if I can stop the zoom increase and decrease when I scroll the mouse wheel!

    thanks :)

    • Greg says:

      Hi and congratulation for this app,
      I have a problem, it just zoom in but not zoom out. Any idea to change that?
      Example here:

    • Greg says:

      Your solution is to erase that bloc from the php code:

      magnifier.outer.bind(ddpowerzoomer.mousewheelevt, function(e){ //bind mousewheel event to magnifier

      if (ddpowerzoomer.activeimage){

      var delta=e.detail? e.detail*(-120) : e.wheelDelta //delta returns +120 when wheel is scrolled up, -120 when scrolled down

      if (delta<=-120){ //zoom out

      ddpowerzoomer.movemagnifier(e, false, \"out\")


      else{ //zoom in

      ddpowerzoomer.movemagnifier(e, false, \"in\")





  7. david says:

    The website is still under construction, I’m using the image zoomer in the “Drawing and Acrylic” gallery
    The problem is when I load a painting by clicking on the thumbnail I have to refresh/reload the page before the Image Zoomer will work.
    Any ideas? Thanks for any help


  8. Peter says:

    to your plugin Image Zoomer I need mousedown version – example Grab from:

    or version for iPod


  9. davidjm says:

    Hi, nice plugin, small problem.
    Works ok in IE8, but in FireFox  need to refresh before it’ll work.
    Any ideas?

  10. Filt says:

    Hello, thanks for your work. One little detail I don’t seem to be grasping:
    The idea of zooming in (or magnifying) is to display a thumbnail or small image on the page, and a high-resolution one in the zoomed-in window (ie: two separate images). If the only thing done is just zooming in on the displayed image, as it is shown on this page, what you get to see in close-up are the ugly artifacts of the jpeg. How does this work out? Is there a way to display a low-res image, and use the zoom to see the detail on another, hi-res one?

  11. davidjm says:

    Hi Filt, Is <a target=”_blank” href=”>this what you mean</a>?
    Click one of the thumbnails to see a high resolution version with the zoomer plugin.

  12. Filt says:

    The goal, as I understand it, is to show more detail in the magnifying box, not a close-up of the pixels in the same image. Therefore, the “lens” should show detail of another, high-res image instead. The original Power Zoomer can receive and use a parameter, like this:

    Is there a way to do it with this plug-in?

  13. davidjm says:

    Maybe it’s the opposite, if you have a high res image you don’t see the details with normal res but when you use the zoomer plugin you can see more detail, it’s the same image just different  resolution.

  14. Filt says:

    David, are you saying that the way is to just use ONE high resolution image image but force a thumbnail of it via “width / height” and let zoomer do the zooming? Most magnifiers (the original Powerzoomer also allows this) use two images, one for the thumbnail, and another, hi-res, to show on the magnified window.

  15. steveathome says:

    hi all,
    am i missing something here?
    im trying this out and it works great the only problem im having is that the images i want to enlarge also have links attached to them and this plug-in disables the link,
    is there a way of keeping the link in the image or is this not possible?


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