When you want to display an image into your web page, maybe you need to resize it, make it smaller than the original, such as the headline images, image which represents for a post…That’s all images are called Thumbnail. I’ll not say much about what thumbnail means in this entry, and not about how to make thumbnail image in PHP because it’s just a common skill that everyone who works with PHP can not live without. I just want to show you same useful code to make thumbnail that you dont need to do any coding…and maybe some people not know about PHP can do that easily. That all usefull tools (i dont know i use “tool” here is correct or not, just let me call it “tool”) below are Thumbnail Generators.
phpThumb() uses the GD library to create thumbnails from images (JPEG, PNG, GIF, BMP, etc) on the fly. ImageMagick is used wherever possible for speed. Basic functionality is available even if GD functions are not installed (as long as ImageMagick is installed). It supports almost image formats or any image format ImageMagick can read. The output are, too and even ICO format.
Images can be rotate, cropped. Output is antialiased into the alpha channel where appropriate when PNG output is selected. Quality can be auto-adjusted to fit a certain output byte size.
This script support a large number of filters can be applied. It’s an excellent set of free PHP scripts which can process and generate thumbnails very easily.
2. Zubrag Thumbnail Creator / Generator
PHP Thumbnail Creator is designed to generate thumbnails from JPG, GIF, or PNG images. Script can save rendered thumbnail as file on your server or output it directly to the browser. There’re nothing special from this tools, it’s just a normal thumbnail generator. It supports JPG, PNG, GIF image type but depends on GD2 library. You can customize default value from source code. Script can also help you if you need to show few thumbnails based on the same source image but in different sizes, when you cannot afford saving created thumbs on your server for some reason.
3. PHP Thumbnail generator with shadow
This one is simple, simple to use, but the main feature it supports is so amazing. It can drop soft shadows below the thumbnails. Because the simplified of this tool, it just support 2 image type: PNG and JPG. PNG transparency is allowed, but when IE Browser is not version 7 or above, it will be detected and convert to JPG format instead. Absolutely, it can save the images in server in cache folder like others can do.
4. TimThumb PHP Script of Tim McDaniels
Just a simple script but is the most useful tool people using. Make a thumbnail, crop size or not and the quality of output. Main feature is users dont have to do nothing, if users want to crop the image, it will automatically crop width size if width size is larger than the height or do the same with height. This tool is the most popular tool to create thumbnail image by WordPress users. It’s supports cache, too.
Support: JPG, PNG (Resize a PNG with transparency and you’ll get a white background), GIF (Reducing a GIF in quality will discard the transparency of the image, resulting in a black background)
5. Drop Shadowed Thumbnail Creator
This class allows you to very easily create thumbnails of images, on which you can also apply a drop-shadow effect. You can control the colour of the background so that drop-shadow will fit better onto your page and the size of the thumbnail.
You can resize in an absolute or relative way (to a certain size or by a certain size), both as a pixel number or a percentage.
6. jQuery easyThumb
jQuery easyThumb is a plugin for jQuery. The easy description is that it turns a list of full-scale images to a list of thumbnails on-the-fly. It uses a php-script to return a thumbnail for each image, and jQuery to generate the list. Let’s jump right to the installation.
Maybe you cant access the homepage because he is now hosting this script in a stupid host. Let try again later or try google with “jQuery easyThumb”, you can find some useful informations about this script.
These all tools above is just make us feel quickly when working. If you are a web developer, you can download and add some function to. Because of creating thumbnail in PHP with GD library support is just a common skill with php programmer, so if you are new to PHP, want to work with image, you should take a look at GD Functions in php manual page.
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