Best extension plugins for WordPress
The most popular extension plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Polylang Theme Strings leads with 5K+ active installs, ahead of Elfsight Blocks for Elementor (2K+) and Add Any Extension to Pages (2K+). All 42 plugins tagged “extension” 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 extension plugins
- 1.
Polylang Theme StringsThe most installed extension plugin, with 5K+ active installs. Rated 4.0 from 37 reviews, last updated 8 years ago. Tested only up to WordPress 4.9.35.
- 2.
Elfsight Blocks for Elementor2K+ active installs. Only 2 reviews so far, updated 10 months ago. Tested only up to WordPress 6.8.12.
- 3.
Add Any Extension to Pages2K+ active installs. Rated 5.0 from 6 reviews, updated 2 months ago.
- 4.PT Theme Addon
1K+ active installs. Only 1 review so far, last updated 8 years ago. Tested only up to WordPress 4.9.35.
- 5.Theme Toolkit
700+ active installs. No reviews yet, last updated 8 years ago. Tested only up to WordPress 4.9.35.
- 6.
Add .html Extension to Pages700+ active installs. Only 1 review so far, last updated 2 years ago. Tested only up to WordPress 6.5.14.
- 7.
WP Compress for MainWP400+ active installs. Only 3 reviews so far, updated 2 months ago.
- 8.
MailPoet Checkout Subscription for WooCommerce (Legacy)300+ active installs. Rated 4.8 from 10 reviews, last updated 8 years ago. Tested only up to WordPress 4.9.35.
- 9.ESB URL Extension
100+ active installs. Only 3 reviews so far, last updated 11 years ago. Tested only up to WordPress 4.1.42.
- 10.
MailPoet Gravity Forms Add-on100+ active installs. Only 4 reviews so far, last updated 12 years ago. Tested only up to WordPress 3.9.40.
All 42 plugins tagged “extension”

Polylang Theme Strings
#2,981by Modeewine8 years ago
Automatic scanning of strings translation in the theme and registration of them in Polylang plugin. Extension for Polylang plugin.
- Installs
- 5K+
- Rating
- 4.0(37)
- Downloads
- 20/day

Elfsight Blocks for Elementor
Down in the last 7 days:21#4,398by elfsight10 months ago
80+ Premium and free custom Elementor blocks and widgets for WordPress by Elfsight.
- Installs
- 2K+
- Rating
- 1.0(2)
- Downloads
- 23/day

Add Any Extension to Pages
Up in the last 7 days:9#4,870by Marios Alexandrou2 months ago
Add any extension of your choosing (e.g. .html, .htm, .jsp, .aspx, .cfm) to WordPress pages.
- Installs
- 2K+
- Rating
- 5.0(6)
- Downloads
- 15/day
PT Theme Addon
Down in the last 7 days:1#6,283by ProDesigns8 years ago
Plugin to add team, testimonial portfolio and clients custom post type. Each post type has its widget and shortcode to use in theme.
- Installs
- 1K+
- Rating
- 5.0(1)
- Downloads
- 11/day
Theme Toolkit
Up in the last 7 days:14#7,619by ProDesigns8 years ago
Theme toolkit is a plugin to register custom post types, widgets and shortcodes to add additional feature and functionality to any WordPress theme.
- Installs
- 700+
- Rating
- –
- Downloads
- 0/day

Add .html Extension to Pages
Up in the last 7 days:9#7,961by Subodh Ghulaxe2 years ago
A simple and easy way to add .html extension to WordPress pages.
- Installs
- 700+
- Rating
- 5.0(1)
- Downloads
- 7/day

WP Compress for MainWP
Down in the last 7 days:36#9,233by WP Compress2 months ago
Install, activate and connect WP Compress across all of your MainWP Child Sites.
- Installs
- 400+
- Rating
- 4.7(3)
- Downloads
- 11/day

MailPoet Checkout Subscription for WooCommerce (Legacy)
Down in the last 7 days:34#11,088by Sébastien Dumont9 years ago
Let your customers subscribe to your newsletters as they checkout with their purchase.
- Installs
- 300+
- Rating
- 4.8(10)
- Downloads
- 6/day
ESB URL Extension
Down in the last 7 days:42#14,811by eSparkBiz12 years ago
This plugin will allow you to add extensions to WordPress url as per your preference.
- Installs
- 100+
- Rating
- 5.0(3)
- Downloads
- 0/day

MailPoet Gravity Forms Add-on
Down in the last 7 days:89#15,439by Sébastien Dumont12 years ago
Adds a new field for you to allow your visitors to subscriber to your MailPoet newsletters.
- Installs
- 100+
- Rating
- 4.0(4)
- Downloads
- 4/day
Creamailer for Contact Form 7
Down in the last 7 days:376#18,462by Jami Pietilä1 month ago
Integrates Creamailer for Contact Form 7.
- Installs
- 70+
- Rating
- 5.0(2)
- Downloads
- 11/day

Monta Checkout
Down in the last 7 days:11#19,178by montapacking1 month ago
WooCommerce plugin to integrate the Monta shipping options
- Installs
- 60+
- Rating
- –
- Downloads
- 11/day
Hana FLV Extension
Up in the last 7 days:94#23,378by Andy Charrington15 years ago
Hana FLV extension extends the capabilities of the Hana FLV Player plugin to allow integration with the WP media library.
- Installs
- 30+
- Rating
- –
- Downloads
- 0/day

Coming Soon Product for WooCommerce
Down in the last 7 days:428#23,821by terrytsang10 years ago
Enables you to display a message, countdown clock and additional text with URL link for coming soon product.
- Installs
- 30+
- Rating
- –
- Downloads
- 0/day

Formico
Down in the last 7 days:40#25,298by PluginsCafe4 months ago
Supercharge Elementor Forms with advanced extensions, custom fields, and seamless CRM integrations.
- Installs
- 20+
- Rating
- 5.0(1)
- Downloads
- 2/day

Nochex Payment Gateway for Woocommerce
Up in the last 7 days:507#27,703by nochexdevteam1 month ago
Accept all major credit cards directly on your WooCommerce website using the Nochex payment gateway. WooCommerce Version Tested up to 11.1.
- Installs
- 20+
- Rating
- –
- Downloads
- 0/day
WP247 Extension Notification Client
Up in the last 7 days:106#30,026by wescleveland9 years ago
Provides the ability for WordPress extension developers to send notification messages to their users
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
Easy Mask
#30,211by Jürgen Müller2 months ago
Boring straight lines? Add option to mask the core/group block with waves, slopes, spikes etc. A very lightweight extension for the core group block.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day

ioTecPay
Down in the last 7 days:452#31,257by ioTecPay3 years ago
Accept Airtel and MTN mobile money payments on your WordPress site.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day

Grid Element Trash
#32,872by Palasthotel GmbH1 month ago
You can hide containers and boxes from the Grid toolbar.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
Easy Digital Downloads
Up in the last 7 days:141#34,581by Yudhistira Mauris10 years ago
EDD extension plugin for displaying how many sales were made for certain product on the product purchase button area.
- Installs
- 10+
- Rating
- 5.0(2)
- Downloads
- 0/day

Media License
Up in the last 7 days:7,636#35,554by Octavius.rocks1 month ago
Extend your media files with license information.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
OKPAY Payment gateway
#37,366by saadat6814 years ago
This payment module extends WooCommerce and allows you to accept payments via OKPAY.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
Birthday mails bp
Up in the last 7 days:4,137#39,468by alexhal9 years ago
Sends birthday emails to members on their birthdays .(Based on Buddypress)
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
YD Prevent Comment Impersonation
#39,873by Yann at WP&Co15 years ago
This simple WordPress plugin prevents a "non registered" commentator to use the identity (login or e-mail address) of a registered user.
- Installs
- 10+
- Rating
- 5.0(1)
- Downloads
- 0/day
Custom Shipping Options for MemberMouse
Down in the last 7 days:6,046#40,880by Morgan Estes12 years ago
Adds a filter to the MemberMouse WordPress plugin to show/hide shipping options on a checkout form.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
MailPoet bbPress Add-on
Up in the last 7 days:6,718#41,150by Sébastien Dumont12 years ago
Enables your new forum members to subscribe to a newsletter while registering on the forum. Requires the use of [bbp-register] shortcode.
- Installs
- 10+
- Rating
- –
- Downloads
- 5/day
Flarum SSO WP Plugin
Down in the last 7 days:1,152#43,698by maicol075 months ago
Plugin for your WordPress website to get the Flarum SSO extension working
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
MailPoet WP e-Commerce Add-on
Down in the last 7 days:63#44,749by Sébastien Dumont12 years ago
Adds a checkbox on checkout page for your customers to subscribe to your MailPoet newsletters.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
Bitcoin Meta Tags
#46,025by Koberstein12 years ago
Add Bitcoin meta tags to your site.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
Style Extension for Open Social
Up in the last 7 days:841#47,548by Chie Fuyuki10 years ago
A style extension for Open Social plugin by playes.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day

Nochex Payment Widget for WooCommerce
Up in the last 7 days:22,789#49,112by nochexdevteam4 months ago
Accept card payments in WooCommerce with the Nochex Payment Widget.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day

W3S API Extension for Woocommerce
Up in the last 7 days:15,979#55,441by w3specialists.com2 months ago
Enhances your store’s REST API by adding powerful, flexible endpoints. Stay tuned more Endpoints are coming!
- Installs
- <10
- Rating
- –
- Downloads
- 0/day
Extension pack for Avalon23
Up in the last 7 days:8,851#62,060by paradigmatools5 years ago
Extension pack for Avalon23 – Filter extensions. For example: auto price, preload etc.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day
Profile Card for WPBakery Page Builder
Up in the last 7 days:6,418#67,130by themebon8 years ago
Profile Card addon for WPBakery page builder helps you to add beautiful styled profile card in your website.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day
WP247 Extension Notification Server
#68,656by wescleveland9 years ago
Provides the ability for WordPress extension developers to send notification messages to their users
- Installs
- <10
- Rating
- –
- Downloads
- 0/day
Codecorun
Up in the last 7 days:3,131#70,341by codelad3 years ago
An extension plugin for WooCommerce to let you upsell products with rules and conditions
- Installs
- <10
- Rating
- –
- Downloads
- 0/day

Pay with Code
Down in the last 7 days:22,808#72,939by dynahsty2 years ago
The 'Pay with Code' plugin lets customers pay using a pre-purchased code in WooCommerce.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day