Best grammar checker plugins for WordPress

The most popular grammar checker plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. FLiP leads with 70+ active installs, ahead of Copyleaks (fewer than 10). All 2 plugins tagged “grammar checker” 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 2 grammar checker plugins

1.
FLiP
The most installed grammar checker plugin, with 70+ active installs. Only 1 review so far, last updated 6 years ago. Tested only up to WordPress 4.9.35.
2.
Copyleaks
Fewer than 10 active installs. No reviews yet, updated 2 months ago.

All 2 plugins tagged “grammar checker”

FLiP
Down in the last 7 days:47#18,361
by priberam6 years ago
IMPORTANT: The free version of the plugin only checks the spelling of the texts in the pre 1990 Spelling Reform and doesn’t present any suggestions fo …
Installs
70+
Rating
5.0(1)
Downloads
0/day
Copyleaks
Down in the last 7 days:2,229#55,612
by Copyleaks2 months ago
Use the Copyleaks API to detect AI-generated content, plagiarism, and grammar issues in your posts and pages.
Installs
<10
Rating
–
Downloads
0/day