Having an image editor able to resize, crop, and edit images right from your site is a great way to be more productive. This list is about web based image editors and their features.
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AIE (Ajax Image Editor) is a rich internet application for manipulating images online. It's works with Mozilla Firefox and Internet Explorer. It uses HTML, JavaScript and Ext JS on client side and ImageMagick and PHP on server side.
AIE (Ajax Image Editor), formely known as Akoie was released as open source under the GNU General Public License (GPL) in 2007.
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imageEdit is a web based frontend for the PHP5 and GD image manipulation functions/libraries. It is primarily designed for non-technical users to have "desktop style" image editing capabilities. Experienced web developers will find many familiar filters and editing functions which allow them to make quick edits w/o having reload load images to a website.
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Asido is a PHP (PHP4/PHP5) image processing solution, with "pluggable" drivers(adapters) for virtually any environment (GD2, Image Magick, etc). Asido does: various resize routines, watermark, rotation, copy images, cropping, grayscale, convert, etc.
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Wimp is the acronym of Web Image Manipulation Program. This project follow two lines of interest. First, there is the managment of canva with DOM concepts (javascript). Next, there is the managment of images (files, rendering...etc) for servlet usage.
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Snipe Gallery is a PHP/mySQL image management system featuring (but never limited to!): automatic watermarking, dynamic thumbnailing, online cropping/custom thumbnail tool, image dropshadows, custom "picture frames" and more!
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An excellent script. Supports Undo-Redo, resizing, rotating, crop and some great effects like Gray scale, Sepia, Pencil, Emboss, Blur, Smooth, Invert and more. You can easily add it to your own site with little effort.
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PIE Project allows users to edit images online. JPIE needs GD (PHP extension), Javascript and AJAX for this task.With JPIE v. 0.1 you can:
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PHP Image Editor is available as a Joomla plugin but you can also use it as a standalone or intergrate it in other CMS's too. Supports image resizing, crop, gray scale effect and rotating.
PHP Image Manager, Image Editor for HTMLArea. Requires PHP, GD or NetPBM or ImageMagick. Manager - cached thumbnails (JPEG, PNG, GIF depending on GD), filmstrip view, delete, create folders (if permitting), uploads. Editor - Resize, Crop, Rotate, Save as. You can use it as a standalone app or as a HTMLArea plugin.