Comet Cache vs Converter for Media
Compare WordPress plugins and tools side by side. Pick products with “Compare” in the software directory.
| Feature | Comet Cache v170220 · checked 23 Oct 2026 Free + paid · ★ 4.4/5 Visit Details | Converter for Media v6.7.0 · checked 23 Oct 2026 Free + paid · ★ 4.9/5 Visit Details |
|---|---|---|
| At a glance | ||
| Active installs | 20,000+ | 500,000+ |
| Last updated | July 2, 2025 | October 14, 2026 |
| Editions | Comet Cache · Comet Cache Pro ($) | Converter for Media · Converter for Media PRO ($) |
| Pros | Free full-page cache for anonymous visitors; Cron-driven cleanup of cache files; Simple settings for browser caching of dynamic pages | Converts uploads to WebP on the server with GD or Imagick; Optional Cloudflare cache rules and cache purge; Core WebP conversion works without a licence |
| Cons | HTML and asset minification need Pro; CDN filters and Apache optimisations need Pro; Logged-in users are not cached in the free version | AVIF output and cloud conversion need the PRO licence; Upgrade prompts appear in the admin and plugin list; Cloud conversion sends images to a vendor API |
| Mentioned in our posts | 1 | — |
| Features (Speed Optimization plugins checklist) | ||
| Page cache | Yes | — |
| Browser cache | Yes | — |
| Minify CSS/JS | Paid | — |
| CDN | Paid | — |
| Object cache | No | — |
| Database cleanup | No | — |
| Free version | Yes | — |
| More features | ||
| Other features | Cron job that cleans up cache files, Excludes WooCommerce pages and clears on stock change, Cache logged-in users (Pro) ($), HTML Compressor for CSS, JS and HTML (Pro) ($), Static CDN filters and domain sharding (Pro) ($), Automatic updater for Pro ($) | Local WebP conversion with GD or Imagick, Serve WebP through rewrite rules, Convert on upload, Cloudflare cache rules and purge, AVIF output format ($), Cloud conversion through the vendor API ($), PRO access token validation ($) |
| Integrations | ||
| E-commerce | WooCommerce | — |
| Plugins | bbPress | — |
| Other | — | Cloudflare, Converter for Media API ($), Deactivation survey endpoint |
| Requires WordPress | 4.2 | 4.9 |
| Requires PHP | — | 7.4 |
| Tested up to | 6.9-alpha-60398 | 7.1 |
| Phones home | No | No |
| External services | — | api-converter.mattplugins.com, data.mattplugins.com, api.cloudflare.com |