10 Best Image Optimizer Alternatives in 2026
Updated October 22, 2026 · Ranked by how closely each plugin matches, from WordPress.org data · How this works
Image Optimizer sits at #4 in the WordPress.org Image Optimization Plugins ranking. These 10 plugins share its category or its tags on WordPress.org, are actively maintained, and each has at least 100 active installs. They are ordered by how closely they match, not by our opinion.
The 10 closest alternatives to Image Optimizer
- 1
Imagify
Closest matchImagify Image Optimization: Optimize Images | Compress & Convert to WebP/AVIF
4.3 (1,657) 1 million+ active installsImage optimization in 1‑click: compress, resize & convert to WebP/AVIF – free up to 20MB/month. Enjoy the easiest WordPress image optimizer to set up.
#3 in the WordPress.org Image Optimization Plugins ranking. A similar number of installs, rated 4.3 against 1.7, last updated September 7, 2026.
- 2
Smush
Paid version availableSmush – Image Optimization, Compression, Lazy Load, WebP & CDN
4.8 (6,053) 1 million+ active installsCompress and optimize images, enable lazy load, serve WebP & AVIF, and speed up your site with a global image CDN.
#1 in the WordPress.org Image Optimization Plugins ranking. A similar number of installs, rated 4.8 against 1.7, last updated 2 days ago.
- 3
ShortPixel Image Optimizer – Optimize Images, Convert WebP & AVIF
4.5 (829) 300,000+ active installsCompress images & PDFs automatically, convert to WebP & AVIF, and generate SEO-friendly filenames with AI. Bulk optimization, smart crop & resize.
#5 in the WordPress.org Image Optimization Plugins ranking. About a third of the installs, rated 4.5 against 1.7, last updated 8 days ago.
- 4
Converter for Media – Optimize images | Convert WebP & AVIF
4.9 (1,105) 500,000+ active installsSpeed up your website by using our WebP & AVIF Converter. Optimize images and serve WebP and AVIF images instead of standard formats!
#7 in the WordPress.org Image Optimization Plugins ranking. About half the installs, rated 4.9 against 1.7, last updated 7 days ago.
- 5
reSmush.it : The original free image compressor and optimizer plugin
4.3 (166) 100,000+ active installsreSmush.it is the FREE image compressor and optimizer plugin - use it to optimize your images and improve the SEO and performance of your website.
#10 in the WordPress.org Image Optimization Plugins ranking. 100,000+ installs against 1 million+, rated 4.3 against 1.7, last updated August 20, 2026.
- 6
Robin Image Optimizer – Unlimited Image Optimization, WebP & AVIF
4.4 (131) 100,000+ active installsUnlimited automatic image optimization for WordPress. Compress images, convert to WebP, and improve site speed without losing image quality.
#8 in the WordPress.org Image Optimization Plugins ranking. 100,000+ installs against 1 million+, rated 4.4 against 1.7, last updated 23 days ago.
- 7
Optimole – Optimize Images | Convert WebP & AVIF | CDN & Lazy Load | Image Optimization
4.7 (640) 200,000+ active installsAutomatically optimize images with bulk compression, lazy loading, WebP/AVIF conversion & CloudFront image CDN. Boost Core Web Vitals & conversions.
#6 in the WordPress.org Image Optimization Plugins ranking. About a quarter of the installs, rated 4.7 against 1.7, last updated 3 days ago.
- 8
TinyPNG Image Optimization – Image Compression JPEG & PNG | Convert to WebP & AVIF
4.5 (180) 100,000+ active installsSpeed up your website. Optimize your JPEG, PNG, and WebP images automatically with TinyPNG.
#9 in the WordPress.org Image Optimization Plugins ranking. 100,000+ installs against 1 million+, rated 4.5 against 1.7, last updated 9 days ago.
- 9
EWWW Image Optimizer
Paid version available4.8 (1,841) 1 million+ active installsComprehensive image optimization with WebP, AVIF, Lazy Load, and more. Optimize images automatically for Faster Sites and Happy Visitors.
#2 in the WordPress.org Image Optimization Plugins ranking. A similar number of installs, rated 4.8 against 1.7, last updated 9 days ago.
- 10
CompressX — AVIF & WebP Converter, Media Replacement
5.0 (197) 40,000+ active installsAVIF & WebP converter with built-in media replacement for local image optimization.
Shares the convert AVIF, convert webp tags on WordPress.org. 40,000+ installs against 1 million+, rated 5.0 against 1.7, last updated 14 days ago.
Image Optimizer against each of them
Head to head on installs, ratings, reviews and updates. Each measure names its own leader; there is no overall winner.
-
vs
Image Optimizer vs Imagify1 million+ vs 1 million+ installs · 1.7 vs 4.3
-
vs
Image Optimizer vs Smush1 million+ vs 1 million+ installs · 1.7 vs 4.8
-
vs
Image Optimizer vs ShortPixel Image Optimizer1 million+ vs 300,000+ installs · 1.7 vs 4.5
-
vs
Image Optimizer vs Converter for Media1 million+ vs 500,000+ installs · 1.7 vs 4.9
-
vs
Image Optimizer vs reSmush.it1 million+ vs 100,000+ installs · 1.7 vs 4.3
-
vs
Image Optimizer vs Robin Image Optimizer1 million+ vs 100,000+ installs · 1.7 vs 4.4
Switching from Image Optimizer: common questions
What is the best alternative to Image Optimizer?
Imagify is the closest match: it shares the Image Optimization Plugins top 10 with Image Optimizer and has 1 million+ active installs with a 4.3 out of 5 rating.
Which Image Optimizer alternative has the most users?
Imagify, with 1 million+ active installs reported by WordPress.org.
Which Image Optimizer alternative is rated highest?
CompressX, rated 5.0 out of 5 by 197 reviewers. Only plugins with at least 50 reviews are counted.
Are these Image Optimizer alternatives free?
Every plugin listed here is free to install from WordPress.org. Where WordPress.org marks a plugin as commercial, the developer also sells a paid version or add-ons, and that is shown on each plugin.
How are alternatives chosen?
Automatically, from WordPress.org data: plugins that share a category top 10 with Image Optimizer score highest, then plugins that appear in the same WordPress.org rankings, then plugins with the same tags, weighted so rare tags count more than common ones. Plugins by the same author and plugins rated under 4.0 are left out.
How we choose these alternatives
Nothing on this page is picked by hand. Every day we walk the whole WordPress.org directory, then score every plugin against Image Optimizer on three signals: sharing a category top 10 counts most, then appearing in the same WordPress.org rankings, then carrying the same tags, with rare tags counting for more than common ones like "wordpress". Plugins by the same author are excluded, so an author's own add-ons cannot fill the list, and so is anything rated below 4.0 or with fewer than 100 active installs. The ten highest scores are what you see, in that order. Full methodology.
The bottom line
Imagify is the closest match to Image Optimizer by the data we track, and Imagify has the widest reach with 1 million+ active installs. Smush shipped the most recent release, on October 20, 2026. The list is rebuilt every day from WordPress.org, so a plugin that stops being maintained drops out on its own.
Weekly · free
What moved this week
One email a week, built from the same daily snapshots these rankings come from: the plugins that climbed, what launched, and one ranking worth a look.