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Best checksum plugins for WordPress

The most popular checksum plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Integrity Checker leads with 200+ active installs, ahead of Core Checksum Verifier (20+) and Aviiimageworks Security Monitor (fewer than 10). All 4 plugins tagged “checksum” 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 checksum plugins

  1. 1.
    Integrity Checker

    The most installed checksum plugin, with 200+ active installs. Rated 4.8 from 6 reviews, updated 2 months ago. Tested only up to WordPress 6.7.11.

  2. 2.
    Core Checksum Verifier

    20+ active installs. No reviews yet, last updated 1 year ago. Tested only up to WordPress 6.8.12.

  3. 3.
    Aviiimageworks Security Monitor

    Fewer than 10 active installs. No reviews yet, updated 4 days ago.

  4. 4.
    DiffVerity

    Fewer than 10 active installs. No reviews yet, updated 2 weeks ago.

All 4 plugins tagged “checksum”