Best annotations plugins for WordPress

The most popular annotations plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Simple Commenter leads with 200+ active installs, ahead of Side Matter (100+) and Previu (40+). All 28 plugins tagged “annotations” 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 annotations plugins

1.
Simple Commenter
The most installed annotations plugin, with 200+ active installs. Rated 5.0 from 13 reviews, updated 1 week ago.
2.
Side Matter
100+ active installs. Rated 4.6 from 13 reviews, last updated 12 years ago. Tested only up to WordPress 3.7.41.
3.
Previu
40+ active installs. Only 1 review so far, updated 2 months ago.
4.
Inline Context
30+ active installs. Only 2 reviews so far, updated 2 weeks ago.
5.
Dan's Annotator
20+ active installs. Only 3 reviews so far, updated 11 months ago. Tested only up to WordPress 6.9.11.
6.
Daytime Notes
20+ active installs. No reviews yet, updated 2 days ago.
7.
PagePin
10+ active installs. No reviews yet, updated 4 days ago.
8.
Rollerblade
10+ active installs. Only 3 reviews so far, last updated 10 years ago. Tested only up to WordPress 4.4.34.
9.
ILAnnotations
10+ active installs. Only 1 review so far, last updated 12 years ago. Tested only up to WordPress 4.0.38.
10.
Image Annotations
10+ active installs. No reviews yet, last updated 11 years ago. Tested only up to WordPress 4.3.34.