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Best JSON validator plugins for WordPress

The most popular JSON validator plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. jsonyo leads with fewer than 10 active installs. All 1 plugins tagged “json validator” 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 1 JSON validator plugins

  1. 1.
    jsonyo

    The most installed JSON validator plugin, with fewer than 10 active installs. No reviews yet, updated 5 months ago.

All 1 plugins tagged “json validator”