Fast and flexible plugin of an automatic thumbnail creation for images of your Joomla content.
Many Joomla! users have faced the need to output articles in a category or section blog layout, especially multi-column, with smaller pictures while retaining their original size inside the article view. It may sometimes also be necessary to include a picture of reduced size accompanied with a link to the full size image in the article view.

SmartResizer plug-in is a universal solution to those needs.

This light plug-in creates two thumbnails for an image inside an article: the first is for inclusion inside the article and the second is for a category or section blog. This makes it possible to create a small thumbnail for a category blog, section blog and front page articles, and a midsize thumbnail for the article view. The plug-in also automatically creates a link to a full-size image if the picture has the thumbnail inside the article. The plug-in can create a third large thumbnail to open as the fullsize image. Nice feature, if a site upload photos directly from the camera with a very large size.

There are some features of the plugin:
- crop or fit image to thumbnail size.
- Auto ajust size of thumbnail, if you set only width or only height of thumbnail.
- Three ways to store thumbnails: in the same folder as original image; in cache folder; in subfolder 'smart_thumbs' of original folder.
- Processing of remote images.
- Three ways to open original image: popup window, Joomla SqweezBox, Highslide effect.
- Allows to show the caption under or above the thumbnail.
- Allows to overlay watermark (image and/or text) to images of your site

Supported image formats: JPG, PNG, GIF.
Languages: English, Russian, French, Spanish, German

Read more at Documentation URL.

Version updates:

version 1.40:
- Joomla 4 support

version 1.30:
- Improved plugin processing of the content of other components other than comcontent. Previously, some plugin calls by other components were not processed if the short call to the plugin content JHtml::('content.prepare', $ text) was used.

version 1.29:
- Now you can disable the opening of a full-sized image when clicking on the thumbnail image using the "No" option of the plug-in parameter "Full image display style".

version 1.28:
- Fixed error of processing images for which relative path was set instead of full path.

version 1.26:
- Improved compatibility with PHP 7+.

version 1.25:
- The ability to add a watermark to images not only in the form of a picture, but also in the form of text has been added.

version 1.24:
- Added default css layout for thumbnails of images in articles, blogs, as well as other Joomla components using the css file smartresizer.css.

version 1.23:
- Added the ability to automatically overlay the watermark on the images of your site. A watermark (your logo, name or URL of your site, etc.) will protect your images from copying, making their copying meaningless.

This extension is working fine with JPGs and PNGs, but it does not work with GIFs. I tested severall programms to create the GIF-Images.
Ease of use
The settings are created shortly and everything is described very well
There is no support. I tried to contact the developer, but he did not answer. I think that the extension is dead.
There is a documentation and it seems to be good. But I do not need it.
I used this to: I wanted to use it for all my sites, but it is useless because in many of my sites there are GIF images.
Great plugin- provides thumbnail for initial images in the "intro text" and you can still use full image in the article.
Ease of use
Struggled at first (but didn't see/look at instructions) but all I needed to do was make "Create thumbnails for all images" YES. :)
I used this to: Perfect. "Intro text" images are thumbnails, which when you click to full article, normal size image. THANKYOU!
I have followed the instructions on the developers website but my images are still not resized.
Ease of use
The setting page is very easy and clear.
Very good!
I used this to: My installed Joomla version is 3.3.6 with SmartResizer 1.18

I hope you can fix it. :)

Doesn't work fro me

Posted on 01 March 2015
Doesn't work for me
Ease of use
Doesn't work for me
I used this to: I don't know what I am doing wrong but it doesn't work for me. It works on some pictures and on some don't. I have tried everything now I'm afraid :(


Posted on 25 October 2014
Smartresizer is really smart. Not easy at first, but get to know it, it's worthwhile!

Great plugin

Posted on 13 October 2014
This plugin does exactly what it says. Great one.

Nearly perfect

Posted on 17 April 2014
What makes this extension stand out from others is the option to save the thumbnails in the originals folder - This is beneficial in aspects of SEO because image paths will not read like /cache/plugin_name/some_gabage/...

but like /images/project/pagename/...

What I miss is a Option to only generate thumbnails without adding the lightbox code to each image.

Great extension

Posted on 09 February 2014
I have used this great extension in Joomla 3.2 and I have to say that is fantastic! The job of controlling/editing article’s images thumbnails become very easy. I could adjust and customized very easily the thumbnails of my articles’ images on my home page, and also within the article page.

I have tried before some other similar extension but this was the only one which did the job in an easy and smooth way. A must have!

great, but...

Posted on 13 November 2013
i love this plugin, but since i updated from 3.1.1 to 3.1.5 (or 3.2.0) i have problems with it. in the backend i can't open "users" - i only see a white site. the same when i use jevents - when i want so see eventdetails i only see a white page. after i diasabled smartresizer everything works fine again. so please update and correct this!
Owner's reply: Please always stay tuned plug-in and install the latest version, especially when you upgrade Joomla. This problem has long been fixed In version 1.18, which is released 4 months ago.

So far very good

Posted on 07 September 2013
I've not been using the extension for long but so far I'm loving it. I've been using Mavik Thumbnails for years but it doesn't work with Joomla 3.0+ so I had to find a replacement. I'm happy to say that not only is this almost a drop in replacement it's better in several ways. There are a couple of things I think will bug me the most important being cache management. If you set a custom size for a thumbnail the plugin doesn't detect that the size has changed and re-generate the thumbnail. Overall though a very good plugin and will worth a look.
Owner's reply: I removed the ability to automatically re-create the thumbnail after resizing the original image to improve the performance of the plugin. Now you need manually remove old thumbnail, when you change the individual size of original image. You do not need manually remove old thumbnails, if you change thumbnail sizes in plugin parameters. In this case thumbnails will be recreated automatically.
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Last updated:
Nov 14 2022
1 year ago
Date added:
Oct 06 2009
GPLv2 or later
Free download
J3 J4

Uses Joomla! Update System


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