WebP Express vs ThickBox (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
VS
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Quick Verdict
As of April 2026, WebP Express has a higher user rating (4.4/5 from 160 reviews) and leads in active installations (300K+ vs 200). Both are free WordPress plugins. WebP Express has accumulated 4.1M+ total downloads while ThickBox has 97K+.
Detailed Comparison
| Metric | WebP Express | ThickBox | |
|---|---|---|---|
| Rating | 4.4/5 | ◄ | 2.6/5 |
| Total Reviews | 160 | ◄ | 5 |
| Active Installs | 300K+ | ◄ | 200 |
| Total Downloads | 4.1M+ | ◄ | 97K+ |
| Support Resolution | 0% | N/A | |
| Last Updated | 2 months ago | ◄ | 11 years ago |
| First Released | 2018 | 2008 | |
| Age | 8 years | 18 years | |
| WP Requires | 4.0+ | 2.5+ | |
| PHP Requires | 5.6+ | false+ | |
| Business Model | Free | Free | |
| Latest Version | 0.25.14 | 1.6.1 |
Rating
4.4/5WebP Express
◄ThickBox2.6/5
Total Reviews
160WebP Express
◄ThickBox5
Active Installs
300K+WebP Express
◄ThickBox200
Total Downloads
4.1M+WebP Express
◄ThickBox97K+
Support Resolution
0%WebP Express
ThickBoxN/A
Last Updated
2 months agoWebP Express
◄ThickBox11 years ago
First Released
2018WebP Express
ThickBox2008
Age
8 yearsWebP Express
ThickBox18 years
WP Requires
4.0+WebP Express
ThickBox2.5+
PHP Requires
5.6+WebP Express
ThickBoxfalse+
Business Model
FreeWebP Express
ThickBoxFree
Latest Version
0.25.14WebP Express
ThickBox1.6.1
Rating Breakdown
WebP Express
4.4/5(160 reviews)
5
81%
4
4%
3
1%
2
4%
1
10%
ThickBox
2.6/5(5 reviews)
5
40%
4
0%
3
0%
2
0%
1
60%
Download Trends
Recent Reviews
WebP Express Reviews
by Wishlight
Good plugin
Good plugin. Thanks for the update.
by metroobra
Excelent and good free plugin
Excelent and good free plugin for convert images jpg/png a webp
by smastromattei
Amazing
This stuff is the real deal: just an app that works, no hassling like premium versions or special features. Thank you.
ThickBox Reviews
No reviews yet
Frequently Asked Questions
Is WebP Express or ThickBox more popular?
WebP Express has 300K+ active installations while ThickBox has 200. WebP Express is the more widely-used plugin as of April 2026.
Which has better ratings — WebP Express or ThickBox?
WebP Express has a 4.4/5 rating from 160 reviews, while ThickBox has a 2.6/5 rating from 5 reviews.
Are WebP Express and ThickBox free?
WebP Express is free and ThickBox is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — WebP Express or ThickBox?
Support resolution data is not available for all plugins. Check each plugin's WordPress.org support forum for current response quality.
Which plugin is updated more frequently?
WebP Express was last updated 2 months ago and ThickBox was last updated 11 years ago.
Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.