Redis Object Cache vs Converter for Media
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| Feature | Redis Object Cache v3.0.0 · checked 23 Oct 2026 Free + paid · ★ 4.5/5 Visit Details | Converter for Media v6.7.0 · checked 23 Oct 2026 Free + paid · ★ 4.9/5 Visit Details |
|---|---|---|
| At a glance | ||
| Active installs | 500,000+ | 500,000+ |
| Last updated | September 18, 2026 | October 14, 2026 |
| Editions | Redis Object Cache · Object Cache Pro ($) | Converter for Media · Converter for Media PRO ($) |
| Pros | Supports several Redis clients, including Relay and PhpRedis; Sentinel and replication configuration in the free version; Status, diagnostics, WP-CLI commands and a flush action in admin | 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 | Object cache only: no page caching, minification or CDN; Needs a reachable Redis server and PHP client extension or library; Shows upgrade prompts for the paid Object Cache Pro | 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 |
| Features (Speed Optimization plugins checklist) | ||
| Page cache | No | — |
| Browser cache | No | — |
| Minify CSS/JS | No | — |
| CDN | No | — |
| Object cache | Yes | — |
| Database cleanup | No | — |
| Free version | Yes | — |
| More features | ||
| Other features | Predis, PhpRedis, Relay and Credis clients, Sentinel and replication settings, WP-CLI redis commands, Dashboard status widget, Admin bar status and flush, Query Monitor collector and output, Hit and miss metrics pruned hourly, Automatic object-cache.php drop-in update, Upgrade prompts for Object Cache 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 ($) |
| Integrations | ||
| Storage | Redis server | — |
| Plugins | Query Monitor | — |
| Other | WP-CLI | Cloudflare, Converter for Media API ($), Deactivation survey endpoint |
| Requires WordPress | 4.6 | 4.9 |
| Requires PHP | 7.2 | 7.4 |
| Tested up to | 7.1 | 7.1 |
| Phones home | No | No |
| External services | — | api-converter.mattplugins.com, data.mattplugins.com, api.cloudflare.com |