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Best image optimizer plugins for WordPress

The most popular image optimizer plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Smush leads with 1M+ active installs, ahead of Optimus (30K+) and Nexter Extension (10K+). All 63 plugins tagged “image optimizer” are below, with figures from WordPress.org that update every day.

Installs aren’t everything: a recent release, a “Tested up to” that matches the current WordPress, and support threads that get resolved show a plugin is looked after. Open any plugin for its downloads, rank history and alternatives.

Research this niche or see all plugins.

Top 10 image optimizer plugins

  1. 1.
    Smush

    The most installed image optimizer plugin, with 1M+ active installs. Rated 4.8 from 6,053 reviews, updated 6 days ago.

  2. 2.
    Optimus

    30K+ active installs. Rated 4.2 from 69 reviews, updated 8 months ago. Tested only up to WordPress 6.9.11.

  3. 3.
    Nexter Extension

    10K+ active installs. Rated 4.7 from 13 reviews, updated 1 week ago.

  4. 4.
    Cloudinary

    5K+ active installs. Rated 4.0 from 64 reviews, updated 1 month ago.

  5. 5.
    PixelCraft with WebP

    500+ active installs. Only 3 reviews so far, updated 3 weeks ago.

  6. 6.
    Image Optimizer, WebP Converter & Compression

    200+ active installs. Only 2 reviews so far, updated 5 days ago.

  7. 7.
    Image Optimizer PRO

    100+ active installs. No reviews yet, updated 2 months ago.

  8. 8.
    MegaOptim Image Optimizer

    100+ active installs. Rated 5.0 from 34 reviews, updated 3 weeks ago.

  9. 9.
    PDEV Image Optimizer

    100+ active installs. Only 1 review so far, updated 3 weeks ago.

  10. 10.
    iLoveIMG

    100+ active installs. Rated 3.2 from 5 reviews, updated 6 months ago. Tested only up to WordPress 6.9.11.

All 63 plugins tagged “image optimizer”