Smush Image Compression and Optimization
Resize, optimize, optimise and compress all of your images with the incredibly powerful and 100% free WordPress image smusher, brought to you by the superteam at WPMU DEV!
(You say optimise I say optimize…let’s call the whole thing off 😉 )
Award Winning Image Optimizer
Smush has been benchmarked and tested number one for speed and quality and is the award-winning, back-to-back proven crowd favorite image optimization plugin for WordPress.
Lossless Compression – Strip unused data without affecting image quality
Bulk Smush – Optimize up to 50 images with one click
Image Resizing – Set a max width and height and large images will scale down as they are being compressed
Incorrect Size Image Detection – Quickly locate images that are slowing down your site
Directory Smush – Optimize images even if they are not located in the media library
Automated Optimization – Asynchronously auto-smush your attachments for super fast compression on upload
Unlimited & Free – Optimize all of your images up to 1MB in size forever (no daily, monthly, or annual caps)
Gutenberg Block Integration – View all Smush stats directly in image blocks
Multisite Compatible – Both global and individual Multisite settings
Process All Your Files – Smush will process PNG, JPEG and GIF files for optimum results
Super Servers – Smush images with no slowdown using WPMU DEV’s fast, reliable Smush API
And many, many, more!
Preserve Image Quality
Some image compression tools destroy images with as much as a 30% loss in quality. Our servers strip hidden bulky information from your images and reduce file size without affecting the appearance.
Smush meticulously scans every image you upload – or have already added to your site – cuts all the unnecessary data and scales it for you before adding it to your media library.
Compress any Image in any Directory
In addition to smushing your media uploads, you may want to compress the images stored in other folders. Smush now lets you compress any image in any directory so that you can optimize all the images on your site – including NextGEN images, images stored on Amazon S3 using WP Offload S3 and images in EVERY WordPress plugin and theme package!
Compatible with Your Favorite Media Library Plugins
No matter what plugins you use to better manage your WordPress media library, Smush has you covered. Check out just a few of the plugins Smush is working with to help make your site faster and more efficient:
Incorrect Size Image Detection
Smush now includes a wrong size image finder. Activate and your images will be highlighted with smart tips for scaling your images. Quickly locate the images that are keeping you from getting that perfect 100 on your Google PageSpeed test.
“I had no idea that my page load time was being dragged down by the images. The plugin nearly halved the time it took.” – karlcw
“I optimise my photos in Photoshop, but Smush makes it so easy – it does it automatically. I can just sit back and enjoy the speed.” – helen432
“Smush helped reduce the total files size on my site and increased browsing speed. Well done guys!” – pdci
What about Multisite?
Smush can be used to optimize all the images across your entire network! Use global settings or configure each site individually.
Smush is super easy to use – no confusing compression software settings. Smush images in your library one at a time or bulk smush up to 50 images at a time. Plus, configure auto-smush to asynchronously scale and compress some or all of your images as they are being uploaded – it’s incredibly fast.
The faster your site loads, the more Google, Bing, Yahoo and other search engines will like it. Your site will load faster and rank higher.
Smush can take care of all your image compression needs, for free!
However, if you’d like Super Smush lossy compression, fast CDN image delivery, WebP conversion, automatic resizing, the ability to optimize images up to 32MB, bulk smush optimization for all your images in just one-click, auto-convert PNG to JPEG, the ability to Smush and make a copy of your full-sized images (to restore them at any point) you can always take the next step with WP Smush Pro along with her whole team of WordPress optimization hero friends (security, SEO, performance, support and maintenance automation) for unlimited sites – perfect for agencies and freelancers offering site maintenance services.
Smush does not interact with end users on your website. The only input option Smush has is to a newsletter subscription for site admins only.
Smush uses a third-party email service (Drip) to send informational emails ( Opt-in) to the site administrator. The administrator’s email address is sent to Drip and a cookie is set by the service. Only administrator information is collected by Drip.
Smush sends images to the WPMU DEV servers to optimize them for web use. This includes the transfer of EXIF data. The EXIF data will either be stripped or returned as it is. It is not stored on the WPMU DEV servers.
WPMU DEV is a premium supplier of quality WordPress plugins, services and support. Learn more here:
Don’t forget to stay up to date on everything WordPress from the Internet’s number one resource:
WPMU DEV Blog
Hey, one more thing… we hope you enjoy our free offerings as much as we’ve loved making them for you!
Contact and Credits
Originally written by Alex Dunae at Dialect (dialect.ca, e-mail ‘alex’ at ‘dialect dot ca’), 2008-11.
I just finished running Smush and Google Pagespeed still says my images need compressing and resizing. How do I fix it?
This means your images were not properly scaled for where they are being displayed. Scaling images before uploading them can be time consuming but can save space and speedup load time. First, determine what size your image needs to be. You can use the built-in images size detector included in the free version of Smush to find what height and width your image should be. Once you know how large the image should be, scale your images to the right size.
Tip: If you’re having any issues or want to save a tone of time, The Smush Pro CDN includes auto resizing.
Does Smush delete or replace my original full-size images?
Nope. WordPress crops and resizes every image you upload for embedding on your site.
My website has lots of images and it saves lot of time by automatically resizing and compressing the images.