Modern Image Formats vs Kas Viewer (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
Quick Verdict
As of April 2026, Kas Viewer has a higher user rating (5/5 from 1 reviews) while Modern Image Formats leads in active installations (100K+ vs 10). Both are free WordPress plugins. Modern Image Formats has accumulated 980K+ total downloads while Kas Viewer has 3.8K+.
Detailed Comparison
| Metric | Modern Image Formats | Kas Viewer | |
|---|---|---|---|
| Rating | 3.3/5 | ► | 5/5 |
| Total Reviews | 23 | ◄ | 1 |
| Active Installs | 100K+ | ◄ | 10 |
| Total Downloads | 980K+ | ◄ | 3.8K+ |
| Support Resolution | 67% | N/A | |
| Last Updated | 2 months ago | ◄ | 16 years ago |
| First Released | 2023 | 2010 | |
| Age | 3 years | 16 years | |
| WP Requires | 6.6+ | false+ | |
| PHP Requires | 7.2+ | false+ | |
| Business Model | Free | Free | |
| Latest Version | 2.6.1 | 1.0.2 |
Rating Breakdown
Modern Image Formats
Kas Viewer
Download Trends
Recent Reviews
Modern Image Formats Reviews
Funktioniert wie beschrieben – Heimvorteil weil von WordPress entwickelt
Ich nutze dieses Plugin auf allen neuen Webseiten, damit Bilder automatisch nach AVIF konvertiert werden. Es funktionierte bisher immer ohne Probleme, deshalb kann ich es uneingeschränkt empfehlen. Ic
Doesn’t work, support not helpful
Been trying to get this thing to work but it just wont serve the generated images. Support stopped replying.
compression?
Good plugin, but no option to set the WebP compression value. What compression is used here?
Kas Viewer Reviews
No reviews yet
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Frequently Asked Questions
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Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.