Resize images according to the parent element or the current size of the viewport. Specify the height or width value and set the other property to auto so as to retain the aspect ratio. ![]() Specify the height and width values in an absolute-size format, such as pixels (px) and ems (em). You can resize images with CSS3 in one of three ways: ![]() Typically, responsive websites set images to 100% instead of a fixed size and then resize them according to the user’s screen resolution so that they fit in the container. Modern websites are responsive, i.e., they adjust images, text, layout, and other components to fit the user’s screen resolution. Alternatively, you can crop the images or create another instance that meets the requirements. Many websites, including social-media platforms, enforce restrictions on image size, meaning that you might need to scale images to fit the required dimensions, which might stretch or shrink them, resulting in quality issues. Besides taking longer to load and negatively impacting the user experience and website performance, heavy image files can cause websites to become unresponsive or homepage sliders to run into problems. The size of an image file uploaded to a website directly affects the website’s load time. Understanding Why You Would Want to Resize Images This article explains how to resize images in bulk with the following: Also, failing to maintain the aspect ratio when resizing images “stretches” them out of proportion.īulk image-resizing techniques and tools enable you to resize images simultaneously, significantly reducing the time spent manually resizing one image at a time. Reducing the file size might result in loss of quality, pixelation, or blurriness. When using the Element Action, or bulk resizing, you'll be shown a summary of files resized and their state (as below).Ī detailed Log screen shows further detail on each image that's been processed.Image resizing enlarges or reduces the size of an image, which typically involves increasing or reducing the number of pixels. 4:3: Restricted to a 4:3 aspect ratio cropĮach time an image is processed (resized or cropped), a log item will be created to provide feedback on the task that has occured.Constrain: Restricted to the aspect ratio of the image.You can manage these aspect ratios through the plugin settings page, including removing/renaming existing options, or adding your own. There are several preset options related to the aspect ratio to control how cropping is controlled, and are selected through the Crop modal window.Īctivating the cropping interface upon upload of new images is on the Roadmap, and will be released soon. You can crop any image through the Assets Index screen, by clicking on the Actions button, and selecting Crop image. Under the hood, the batch processing is run through Craft's Tasks service, which will allow you to process plenty of images at once, without timing out or running into memory issues.Īdditionally, using the plugin settings page (Bulk Resize tab), you can bulk-resize all assets in a single folder. You'll be presented with a warning screen advising that the selected images will be resized according to your plugin settings. To batch resize images, use the Assets Index to select which image files you'd like to resize, click on the Actions button and select Resize image. Please note that resizing of images will permanently alter the original uploaded image, so be sure to set the maximum allowed size to something that works for your purposes, while maintaining image quality. For example, given a 4000 x 2500px image and a max width/height of 1024px, the resulting image would be 1024 x 640px. The aspect ratio of images are maintained, and will always match the maximum width/height options in your plugin settings. Resizing of images can be setup to run automatically (through the plugin settings) whenever new images are uploaded. Enabled by default.Īll the above options can be modified per-asset source. If resizing results in a larger image, choose to ship.Set the quality for resized images between 0-100.Set the maximum width/height (in pixels) for uploaded images.Enable/Disable resizing images on upload.Image Resizer works for all Asset Sources: Local, Rackspace Cloud Files, Amazon S3, and Google Cloud Storage. This plugin is not a replacement for using image transforms throughout your site. This allows huge images to be resized so as not to use up unnecessary disk space, but still kept at a reasonable resolution. ![]() Image Resizer resizes your assets when they are uploaded.
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