Specify multiple image versions and the browser will choose the best one to use: Both are easy ways to create responsive images. Thumbor is setup by installing it on a server Cloudinary takes care of these details for you and requires no server setup. Image services provide responsive images (and image manipulation) on-demand. Image services like Thumbor (open-source) and Cloudinary are also worth checking out. Serving more image sizes is better for performance, but will take up more space on your servers and require writing a tiny bit more HTML. However, it's common to serve 3-5 different sizes of an image. There is no single "correct" answer to this question. Magick convert flower.jpg -resize 300x200 flower-small.jpg How many image versions should you create? # To resize an image to fit within 300px wide by 200px high, run the following command: # macOS/LinuxĬonvert flower.jpg -resize 300x200 flower-small.jpg To resize an image to 33% of its original size, run the following command in your terminal: convert -resize 33% flower.jpg flower-small.jpg
Batch image resizer script cli code#
To use sharp as a Node script, save this code as a separate script in your project, and then run it to convert your images: const sharp = require ( 'sharp' ) įs. On the other hand, ImageMagick is convenient for one-off image resizing because it is used entirely from the command line. It is fast and easily integrated with build scripts and tools. The sharp package is a good choice for automating image resizing (for example, generating multiple sizes of thumbnails for all the videos on your website). Two of the most popular image resizing tools are the sharp npm package and the ImageMagick CLI tool. Instead of a "one-size-fits-all" approach to images, serve different image sizes to different devices. Serving desktop-sized images to mobile devices can use 2–4x more data than needed. How many image versions should you create?.
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