ShortPixel Image Optimizer – Optimize… vs CompressX — AVIF & WebP Converter… (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
ShortPixel Image Optimizer – Optimize…
300K+ active installs
Free
CompressX — AVIF & WebP Converter…
30K+ active installs
Free
Quick Verdict
As of April 2026, CompressX — AVIF & WebP Converter… has a higher user rating (5/5 from 178 reviews) while ShortPixel Image Optimizer – Optimize… leads in active installations (300K+ vs 30K+). Both are free WordPress plugins. ShortPixel Image Optimizer – Optimize… has accumulated 18M+ total downloads while CompressX — AVIF & WebP Converter… has 234K+. ShortPixel Image Optimizer – Optimize… has a higher support resolution rate (100% vs 33%).
Detailed Comparison
| Metric | ShortPixel Image Optimizer – Optimize… | CompressX — AVIF & WebP Converter… | |
|---|---|---|---|
| Rating | 4.5/5 | ► | 5/5 |
| Total Reviews | 804 | ◄ | 178 |
| Active Installs | 300K+ | ◄ | 30K+ |
| Total Downloads | 18M+ | ◄ | 234K+ |
| Support Resolution | 100% | ◄ | 33% |
| Last Updated | 1 week ago | ◄ | 1 month ago |
| First Released | 2014 | 2024 | |
| Age | 12 years | 2 years | |
| WP Requires | 4.8.0+ | 5.8+ | |
| PHP Requires | 7.4+ | 7.0+ | |
| Business Model | Free | Free | |
| Latest Version | 6.4.4 | 0.9.36 |
Rating Breakdown
ShortPixel Image Optimizer – Optimize…
CompressX — AVIF & WebP Converter…
Download Trends
Over the past 30 days, ShortPixel Image Optimizer – Optimize… averaged approximately 6,617 daily downloads while CompressX — AVIF & WebP Converter… averaged 334.
Recent Reviews
ShortPixel Image Optimizer – Optimize… Reviews
Excellent plugin
Image compression is excellent. Easy to use & affordable. AI SEO for image fields is brilliant!!! Saved me many hours. No need for support (so far)… and that’s how you want it… ie. works out
great plugin!
works great and the support is great too!
Excelente Herramienta para wordpress
Una excelente herramienta totalmente recomendada This topic was modified 1 month ago by janofernandez.
CompressX — AVIF & WebP Converter… Reviews
Works great
Thanks
Works like charm
This free plugin worked very well for me. Thanks, CompressX!
Purrfect
Time winning extension. Good Job & Thx !
More Convert Webp Worth Comparing
Top alternatives in the same category as ShortPixel Image Optimizer – Optimize… and CompressX — AVIF & WebP Converter…
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Frequently Asked Questions
Is ShortPixel Image Optimizer – Optimize… or CompressX — AVIF & WebP Converter… more popular?
Which has better ratings — ShortPixel Image Optimizer – Optimize… or CompressX — AVIF & WebP Converter…?
Are ShortPixel Image Optimizer – Optimize… and CompressX — AVIF & WebP Converter… free?
Which plugin has better support — ShortPixel Image Optimizer – Optimize… or CompressX — AVIF & WebP Converter…?
Which plugin is updated more frequently?
Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.