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Best mo plugins for WordPress

The most popular mo plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Debug MO Translations leads with 10+ active installs, ahead of PoMo Uploader (10+) and iPoLlama (fewer than 10). All 6 plugins tagged “mo” 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 4 mo plugins

  1. 1.
    Debug MO Translations

    The most installed mo plugin, with 10+ active installs. Rated 5.0 from 10 reviews, updated 11 months ago. Tested only up to WordPress 6.9.11.

  2. 2.
    PoMo Uploader

    10+ active installs. No reviews yet, last updated 5 years ago. Tested only up to WordPress 5.5.24.

  3. 3.
    iPoLlama

    Fewer than 10 active installs. No reviews yet, updated 5 months ago. Tested only up to WordPress 6.9.11.

  4. 4.
    Custom Translation Files

    Fewer than 10 active installs. No reviews yet, last updated 8 years ago. Tested only up to WordPress 4.9.35.

All 6 plugins tagged “mo”