However, for photos like the one above, you may be able to set a lower JPEG quality level while is indiscernible from the original to the naked eye. In the example above we used 90% quality, which is quite high and ensures a good visual result. The generated image weighs only 681KB, which is just 19% of the original high-quality size: The following code, or dynamic transformation URL, converts the original image on-the-fly to a JPEG with 90% quality (for illustration purposes, the image below was resized to a 250×358 thumbnail). In addition, further lossless optimizations are applied to the generated images. Is was saved as high-quality JPG and weighs 2.5MB, which is quite a lot of data to deliver to your web or mobile viewers.Ĭloudinary allows you to modify the quality level of a JPG by setting the quality parameter (or q if specified within the image URL) to a value between 1 to 100. The original image is a high-resolution photo of 2082×2975. Let’s take a JPG image of a dog that was uploaded to Cloudinary, and assigned the ID ‘happy_dog’. One of the image transformations we offer is changing JPEG quality. Optimizing JPEG images while maintaining high image qualityĬloudinary is a cloud-based, end-to-end media management solution that automates and streamlines your entire media asset workflow, from upload to transformation to delivery via multiple CDNs. We’ve integrated JPEGmini with our cloud-based image management solution, allowing our users to generate JPEGs on the fly with JPEGmini’s smart optimization built in. JPEGmini’s JPEG optimization can reduce the file size of your photos by up to 5x, while maintaining their original quality. So we partnered with JPEGmini, an online service that does exactly that – it smartly balances the need to reduce file size, with the need to deliver high quality visual results. We thought it would be great to let our users automatically optimize their JPEGs without sacrificing quality. But will image quality be good enough? JPEG optimization is tricky because if quality is too low, you’ll get blurry images, pixelation and visible compression artifacts if it’s too high, images will look good but take too long to load. When using the JPEG image format, which is best used for photos, the most common optimization is controlling the JPEG quality level.īy lowering JPEG quality, say to 90%, 80% or even 50%, you’ll get much smaller JPEG files. Image optimization is an important step to reducing page load times, improving user experience and reducing bandwidth costs.
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