CompressX — AVIF & WebP Converter… vs ShortPixel Adaptive Images – WebP… (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
CompressX — AVIF & WebP Converter…
30K+ active installs
Free
ShortPixel Adaptive Images – WebP…
10K+ active installs
Free
Quick Verdict
As of April 2026, CompressX — AVIF & WebP Converter… has a higher user rating (5/5 from 178 reviews) and leads in active installations (30K+ vs 10K+). Both are free WordPress plugins. CompressX — AVIF & WebP Converter… has accumulated 234K+ total downloads while ShortPixel Adaptive Images – WebP… has 1.5M+. ShortPixel Adaptive Images – WebP… has a higher support resolution rate (100% vs 33%).
Detailed Comparison
| Metric | CompressX — AVIF & WebP Converter… | ShortPixel Adaptive Images – WebP… | |
|---|---|---|---|
| Rating | 5/5 | ◄ | 4.8/5 |
| Total Reviews | 178 | ◄ | 143 |
| Active Installs | 30K+ | ◄ | 10K+ |
| Total Downloads | 234K+ | ► | 1.5M+ |
| Support Resolution | 33% | ► | 100% |
| Last Updated | 1 month ago | ► | 2 weeks ago |
| First Released | 2024 | 2018 | |
| Age | 2 years | 8 years | |
| WP Requires | 5.8+ | 4.7+ | |
| PHP Requires | 7.0+ | 5.6.40+ | |
| Business Model | Free | Free | |
| Latest Version | 0.9.36 | 3.11.2 |
Rating Breakdown
CompressX — AVIF & WebP Converter…
ShortPixel Adaptive Images – WebP…
Download Trends
Over the past 30 days, CompressX — AVIF & WebP Converter… averaged approximately 334 daily downloads while ShortPixel Adaptive Images – WebP… averaged 391.
Recent Reviews
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 !
ShortPixel Adaptive Images – WebP… Reviews
Shortpixel AI, a hassle free plugin that greatly improves PageSpeed score.
As the title says, Pagespeed Insights gave a score of 92 on mobile and 99 to 100 on desktop with no visible loss of quality on the web page. What I also like is the very reasonable one time pricing an
Great plugin and great team!
I’ve recently added SPIO across all our WordPress sites. (I work for a NFP managing 10 of their sites.) I’m impressed by ShortPixel’s compression and performance. Adrian and the team have offered grea
Slowed my site until I deleted it and removed DB Table.
Not here to diss you guys. Your image optimiser plugin is great!! But this one, it didn’t speed up my site, but rather made it super slow on first load. Maybe my error even. BUT when I turned off plug
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Frequently Asked Questions
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Which has better ratings — CompressX — AVIF & WebP Converter… or ShortPixel Adaptive Images – WebP…?
Are CompressX — AVIF & WebP Converter… and ShortPixel Adaptive Images – WebP… free?
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Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.