Here are the best WordPress image-optimization plugins to consider in 2025, based on recent roundups and hands-on tests across multiple sources: ShortPixel Image Optimizer, Optimole, Imagify, EWWW Image Optimizer, Smush, and TinyPNG.
Each can shrink images automatically on upload and bulk-optimize existing media, but they differ in delivery method, formats, and pricing.
ShortPixel Image Optimizer
ShortPixel Image Optimizer stands out for how much control it gives you while still keeping things simple. Few plugins go deep into multiple settings without making things feel overwhelming.
Beyond the Media Library, ShortPixel can also optimize custom folders and NextGEN galleries, making it a favorite for sites with large or complex image collections. In recent tests, it consistently delivered high performance scores while preserving image quality, particularly important for WooCommerce stores, portfolios, and media-heavy blogs.
Another point in ShortPixel’s favor is its long track record of innovation: it was among the first to support AVIF, and its developers regularly add features that search engines love, including image SEO.
Optimole
If you want an all-in-one approach that just works, Optimole is a strong default. It runs your images through its cloud service, serves them via a built-in CDN, and handles lazy-loading and responsive sizing automatically. In a 2025 head-to-head, Optimole finished first overall for site speed and end-to-end optimization, making it a great pick when you’d rather set and forget.
Imagify
Imagify, from the makers of WP Rocket, is another solid option. It keeps things simple with three levels of compression, automatic resizing, and an interface designed for ease of use. For those already using WP Rocket, the integration feels natural.
EWWW Image Optimizer
If you prefer local/server-side processing or you want to avoid third-party quotas, EWWW Image Optimizer is compelling. It can optimize on your own server, bulk-process existing media, and optionally add a CDN if you need it. Reviewers consistently note its flexibility and “no file size limits” approach when self-hosted—handy for large libraries or privacy-sensitive projects.
Smush
Smush remains a beginner-friendly pick. Every image is routed through its cloud service, optimized, and delivered via a built-in CDN with responsive sizing and lazy-loading. In head-to-head comparisons, Optimole often posted the fastest results overall. For site owners who just want a one-stop solution with minimal setup, it’s hard to beat.
TinyPNG
Finally, TinyPNG is beloved for its simplicity and reliable results. It’s great for small sites that just want automatic, clean compression with minimal configuration. Developers also appreciate its API for custom workflows. The trade-off is fewer knobs to tweak and pay-as-you-go costs if you process lots of images.
Which Plugin To Choose?
- Choose ShortPixel if you want precise control, image SEO, advanced formats (including AVIF), and safe rollback via backups; ideal for WooCommerce and media-heavy sites.
- Pick Optimole if you want full automation (CDN, responsive images, lazy-load) and top-to-bottom performance.
- Select Imagify if you prefer a clean, beginner-friendly interface with three simple compression levels, especially if you’re already using WP Rocket.
- Use EWWW when you prefer on-server processing and avoiding external quotas, with an optional CDN later.
- Start with Smush for a friendly free experience and upgrade only if needed.
- Pick TinyPNG for a lightweight, “no-thinking” compressor or when integrating via API.
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