The strongest ShortPixel alternative for most sites is Smush, which compresses and lazy-loads images with a free tier that has no monthly credit cap like ShortPixel’s. For bulk local optimization with no quota, EWWW Image Optimizer is the value pick, while Imagify offers the simplest one-click WebP and AVIF conversion. We ranked these from our index of 55,000+ WordPress plugins.

Why people switch from ShortPixel

• ShortPixel’s free tier is limited by a monthly credit allowance, so people move to Smush or EWWW Image Optimizer for higher or unlimited free limits.
• Sites wanting to keep images on their own server rather than an external API move to EWWW Image Optimizer.
• Those wanting a CDN to serve resized images per device move to Optimole.
• People who only need format conversion move to Converter for Media.

Smush – Free bulk compression

Smush is WPMU DEV’s popular optimizer, adding compression, lazy loading, and WebP handling. Against ShortPixel, its free tier compresses an unlimited number of images each month rather than drawing down a credit balance. Its drawback is that the free version caps the size of original images it will process and reserves the strongest compression and CDN for the paid Pro plan.

Choose Smush if you want unlimited free compressions with lazy load built in.

EWWW Image Optimizer – Local optimization, no quota

EWWW Image Optimizer is made by Exactly WWW and can optimize images directly on your own server with no per-image quota and no need to send files to an API. Against ShortPixel, it removes the credit ceiling entirely for local optimization. Its drawback is that local mode can be slow and depends on your server’s resources, and its interface is utilitarian rather than polished.

Choose EWWW Image Optimizer if you want unlimited local optimization without sending images to an API.

Imagify – Simple WebP and AVIF

Imagify is built by WP Media, the team behind WP Rocket, and offers very simple compression with WebP and AVIF conversion and multiple compression levels. Against ShortPixel, it is arguably the easiest to set up and run. Its drawback is that the free plan has a monthly data quota, so busy or image-heavy sites hit the cap quickly and need a paid plan.

Choose Imagify if you want the easiest one-click optimization from the WP Rocket team.

Optimole – CDN image delivery

Optimole is Themeisle’s cloud optimizer that processes images and serves them from its own CDN, resizing in real time for each visitor’s device. Against ShortPixel, it combines optimization and delivery so images load from a fast global network. Its drawback is that it is cloud-only, meaning every image routes through Optimole’s servers, and the free tier is limited by a monthly visits allowance.

Choose Optimole if you want images optimized and served from a CDN automatically.

Converter for Media – WebP and AVIF conversion

Converter for Media focuses specifically on converting your existing media library to WebP and AVIF and serving the modern format to supported browsers, for free. Against ShortPixel, it handles next-gen formats without a credit system. Its drawback is that it converts formats but does not perform the deeper lossy compression or full media management that the all-in-one optimizers provide.

Choose Converter for Media if you mainly want free WebP and AVIF conversion without a subscription.

When to stay on ShortPixel

Stay with ShortPixel if its compression quality and simple credit-based pricing already suit your volume. It produces excellent results, handles WebP and AVIF, and its credits roll over, which works well for sites that publish in bursts. Unless you are hitting the credit limit or want to avoid an external API, switching optimizers rarely pays off.

How we ranked these

Every plugin here is scored by the WPS Score, a single 0 to 10 rating built from 21 signals covering maintenance, support responsiveness, compatibility, performance, and ratings quality across our index of 55,000+ plugins. Rankings are derived from that data, not editorial preference, and no plugin author can pay to change a score. How the WPS Score works.

Frequently asked questions

What is the best free alternative to ShortPixel?

Smush is the best free alternative for most sites because it compresses an unlimited number of images each month and adds lazy loading, though very large originals require its Pro plan. EWWW Image Optimizer is another strong free choice and can optimize images locally without any monthly quota.

Does ShortPixel require a monthly subscription?

Not exactly. ShortPixel gives a monthly free credit allowance and sells one-time credit packs as well as monthly plans, so you can pay only when you exceed the free tier. Alternatives like EWWW Image Optimizer and Converter for Media can run without any recurring cost.

Should I convert images to WebP or AVIF?

Both reduce file size significantly, and AVIF usually compresses smaller than WebP while WebP has slightly broader support in older browsers. Plugins like ShortPixel, Imagify, and Converter for Media can generate both and serve the best format each visitor’s browser supports.

The verdict

The best all-round ShortPixel alternative is Smush for its unlimited free compressions, while EWWW Image Optimizer suits sites that want local optimization and Optimole those wanting CDN delivery. ShortPixel remains an excellent optimizer, so if its results and credit pricing fit your site, staying on ShortPixel is perfectly reasonable.