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プラグイン

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Plugins are tools to extend the functionality of WordPress. Usually plugins add functionality that, while useful, the majority of WordPress users don't require, and are therefore not incorporated into the core of WordPress.

Plugins are available in WordPress version 1.2 and above.

Available plugins

Plugins included with the WordPress distribution

Search Hilite 
Search engine terms highlight tool (removed from 1.5 beta since Jan 12/05)
Hello Dolly 
A fun novelty plugin for Hello Dolly lovers
MarkDown 
Text formatting tool
Textile 1 
Text formatting tool
Textile 2 
Text formatting tool
Staticize Reloaded 
Page caching tool (WordPress 1.5)

Post formatting

Acronym 
Automatically adds HTML <acronym> tags to common acronyms in your posts.
Auto-hyperlink URLs 
Auto-hyperlinks URLs in posts and comments.
BBCode 
Adds support for PHPBB's BBCode in posts and comments.
 
A preprocessor for the MarkDown plugin which adds smart footnote functionality.
Comment Count 
Displays the number of comments, either on one post or on all.
Comment Plugger 
Lists the most recent people to comment on a post.
Comment Word Count 
Displays the total word count of all comments.
CSS Switcher 
Style switcher.
Customized Recent Comments 
Lists the most recent comments, with customization abilities. (Similar to Recent Comments.)
Cutter 
Removes content from archived pages, à la LiveJournal.
Drop Case Letter 
Renders the first letter of each post as a drop cap (i.e. very large).
Flashifier 
Lets you include Flash movies in your posts.
Hide or Cut Post Text 
Lets you "hide" or "cut" portions of your posts.
iG:Syntax Hiliter 
Highlights syntax for code in your posts. Supports HTML, CSS, ASP, PHP, Java or SQL.
LatexRender 
Renders mathematical formulae in your posts using LaTeX or mimeTeX.
Linkifier 
Auto-hyperlinks friends and categories.
Local Names 
Auto-hyperlinks wiki pages, images, people, and more.
MathML Embedding 
Converts ASCII mathematical formulae in posts to MathML upon viewing.
Mime 
Leaves content alone.
Most Commented 
Lists posts with the greatest number of comments.
OverviewByCategory 
Adds a comprehensive overview of posts sorted by category.
Per-Post Styles 
Lets you define separate stylesheets for individual posts, or groups of posts, or posts by an author.
PHPizer 
Highlights syntax for PHP code in your posts.
Post Count 
Displays the total number of posts.
Post Teaser 
Generates sophisticated teasers, with optional word count and estimated reading time.
Post Word Count 
Displays the total word count for all posts.
Read Post In 
Displays estimated reading time. (Similar to time2read.)
Recent Comments 
Lists the most recent comments.
Recent Posts 
Lists the most recent posts.
RunPHP 
Lets you embed PHP code in your posts, to be executed upon viewing.
Scripturizer 
Auto-hyperlinks Bible references in your posts.
SmartyPants On-Demand 
Lets you use the SmartyPants text formatter selectively.
Spell Check 
Marks misspelled words in Post Preview.
Spell Checker (Part Deux) 
Uses aspell to check spelling of posts and comments.
Syntax Highlighting 
Highlights syntax of code in your posts using GNU Enscript.
Teaser Style 
Lets you style the teaser portion of your post separately.
Text Filter Suite 
A text filtering (not formatting) framework.
Text Replace 
A shortcut text replacement tool.
the_excerptReloaded 
Adds more options for displaying excerpts.
Time2read 
Displays estimated reading time.
Title Truncation 
Truncates all titles by word.
Wiki 
Adds CamelCase and other wiki features.
Wikify 
Adds CamelCase and other wiki features.
X-Valid 
Converts XHTML in your posts automatically.

Post Plugins (Other)

Adhesive 
Easily mark posts to appear first ("sticky") when listing multiple posts.
Advogato 
Crosspost to Advogato
Author page 
This plugin shows a specific page for each author, showing the number of posts published and some of the data entered in the Wordpress admin section.
BlogHelper 
Puts an applet below your edit field that allows you to drag and drop images almost directly into your posts, optionally cropping them along the way (early version).
CategoryIcon Plugin 
Automatically display a Category Icon next to a post.
Category Image(s) 
Displays image (or text) for each category associated with a post. The number of images displayed can be limited, and the image file extension type and file location can specified.
Category Restrictions 
This is a hack plugin which restricts user posts on specific categories.
Category Word Count 
Outputs a word count of the current category, or alternatively one can specify the category to perform a word count on.
Code Viewer 
Pulls source code from an external file and displays it, optionally adding a link to download the code directly. It displays the code with proper indentation, line numbers, and automatic long-line wrapping.
Croissanga 
Crosspost to Xanga
Custom Meta Display 
This plugin lets you choose to display certain meta key / values in formatted ways. Infinite (in theory) number of definitions are supported.
Customizable Post Listings 
Display Recent Posts, Recently Commented Posts, Recently Modified Posts, and other post listings using the post information of your choosing in an easily customizable manner (so no need to tweak plugin code). You can narrow post searches by specifying categories and/or authors, among other things.
Exhibit 
Creates and displays your selection of linked photo thumbnails with a post.
Faked Folders 
"The Faked Folders plugin is [a] static posts plugin" allowing you to create static pages with WP. (If I get this right.)
Feedster Search 
Feedster is a blog search tool. This plugin adds a feedster search bar to the 'write' and 'edit' pages of a wordpress installation. The user may also configure their installation to transform the main wordpress search into a multi-purpose searchbox, which can search either wordpress or feedster. This extension supports feedster, feedster blogs, feedster feeds, feedster politics, and feedster tv.
Gatorize 
Adds Newsgator ratings to each post heading.
GetAPost 
Lets you assign a specific post (only one) to The Loop. This can, for example, let you provide an informational post on your sidebar, or a "static" article at the top of a category page.
Get Custom Field Values 
Easily retrieve and control the display of any custom field values/meta data for posts. The power of custom fields give this plugin the potential to be dozens of plugins all rolled into one.
GetPostsToday 
A plugin that provides a function to display all the posts written on the current day.
Grab Code 
A plugin to display code snippets pulled from .txt files or specially tagged blog posts. Also see documentation.
HeadMeta Plugin 
Provides per-post custom <link> and <meta> tags.
ImageManager 
The ImageManager plugin integrates the stand alone PHP ImageManager + Editor with WordPress.
ImagePress 
Title Images2 has been renamed to ImagePress for the next release only. Which is in development and not yet released.
Keywords 
Append keywords into Meta tags from 'keywords' custom field.
Language Picker 
Allows posts in multiple languages, displaying a language based on user preference. WP localization can be tied to that preference.
LinkPost 
Allows you to display all posts in a particular category in a particular style
Link Relationship Plugin 
Adds link relationship elements to posts for next and previous posts if they exist
MakeStatic 
Generate static version of post based on 'static' custom field. This to deal with heavily (/.'ed) accessed pages.
MiniPosts 
An approach to "asides," or small posts. Allows you to flag posts as "mini" and handle them differently than normal posts.
Moody 
Adds 'Current Mood' icon to the beginning of all posts. Very simple.
MooseCandy 
Adds content before specified posts. Example : use to add your Google AdSense banner between 1st and 2nd post.
MostWanted 
Similar to PopularPosts this plugin queries tables maintained by StatTraq to create a list of the most popular posts. The API enables the user to select how many posts to present, and can restrict the number of characters per post title so that menu's don't get wrapped.
Next/Previous Day 
This plugin will give you next / previous links on date archive pages. (actually it will work with day, month, and year archive pages)
Next/Previous Post in Category 
Will display a list of next/previous posts in the same category as the current post.
Next to Last 
Next to Last adds << last and next >> links to the top and bottom of the Edit post page.
PictPress 
automatically add thumbnails and pictures for all images in a directory when publishing a post.
Pinged 
Shows the hosts pinged from by entry.
Plugins Used 
Provides template functions to list the plugins used in a list or table.
Popular Posts 
If you have StatTraq installed, this plugin will give you the opportunity to show which articles have been read most often.
Previous 'n' Posts 
This Plugin will allow you to show permanent links to the previous 'n' posts posted before the current post.
Post2Mail 
allows you to e-mail your post out as soon as it goes online with a configurable link back to the site. [UntEins/Plugins] page has more information.
PostReferrers 
is a plugin I coded to show the most recent referring urls to a particular post. Requires StatTraq plugin.
Prerendering 
Does simple prerendering on the posts, saving some page generation time.
Preview Excerpt 
Adds a preview of the post’s excerpt below that of its content following a ’save’.
PurpleNumbers 
Creates granularity in URI references. Works on posts and comments.
Ratings Plugin 
You or your readers can add scores, ratings, rankings, reviews to your entries and sort or filter by score.
Recently Commented Posts 
Retrieve the last N most recently commented posts.
Related Entries 
a plug-in to display any number of entries related to the one viewed.
Related links 
A plugin to allow for the manual adding of related links to a post. All done via meta-data, includes several template functions.
SameCat Plugin 
Outputs a list of posts in the same category as the current (or last) post.
Show/Hide more text 
Creates a link that will show/hide the "more" part of a post on the same page.
Show Top Ratings 
Works with Ratings Plugin by Scott Heavner, shows a list of top rated posts.
SnailGallery 
create a static gallery of images inside a post.
Spoiler Plugins 
Creates a Spoiler button that will show/hide text/images on post or comments. Design for movie,comic blog.
SprintPhoto 
Allows the posting of pictures from a Sprint PCS Camera Phone to your blog with the Sprint PictureShare feature.
Sticky 
In whatever categories the post belongs to, it will behave as a sticky.
Table of contents 
Automates creation of a table of contents for longer posts (useful when editing articles).
Time Of Day 
Creates friendly post times such as "early morning" instead of "08:58 AM"
Title Images2 
Enhanced version of Title Images. Creates titles as images using the font you specify.
UpdateNotify 
notifies email addresses of new or updated posts to the site.
ViewLevel Plugin 
Lets you hide specific posts from users below a given user level.
wpPaginate 
allows you to paginate pages that display many posts (particularly good for search results, archives, etc.)
WP-Refer 
Stores and displays referers to posts.
WYSIWYG Plugin 
This plugin replaces the regular textarea with a WYSIWYG Javascript Editor in the Word Press admin console (FCKeditor).
WYSIWYGII 
This plugin replaces the regular textarea with a WYSIWYG Javascript Editor in the Word Press admin console (htmlArea).
xfish_meta 
Allows the inclusion of meta tags like keywords and description.

Comment Plugins

AuthImage 
This is formerly a hack, now created as a plugin. It creates an image with a code that the commenter needs to enter for the comment to go through, which helps prevent spam bots from comment spamming your site. Now uses session keys instead of temp files for authentication.
Auto shutoff comments 
Close comments after XX number of days
Brian's Threaded Comments 
A form of threaded comments
Comment Hilite Plugin 
Allows you to "highlight" significant/noteworthy comments as they are displayed in the post's page.
Comment Moderation Plugin 
Allows users who supply a valid email to self-approve their comments
Comment Moderation Plugin Based on Post Age (v0.3): JUST UPDATED Dunstan Style 
Allows admin to have comment moderation turned on, once a post is of a specific age. Useful for comment SPAM prevention on older posts. And here's help with combining this plug-in with WP-Blacklist
Comment and Post Plugins 
Various functions for comments and posts.
Disemvoweler 
Removes vowels from comments posted from an IP address in the disemvoweler blacklist. Useful to deter trolls.
Dumb Comments Link Plugin 
To display a link to comments for posts that have comments enabled. To remove the link and display plain text for posts where comments are disabled when no posts have been made.
Gravatars 
Allows you to place globally recognized avatars alongside user comments.
Live Preview Plugin 
This plugin adds a Live Preview to your comments, as well as an option to add one to your post/edit screens in /wpadmin/
MD5 Comments 
Displays comment URLs as MD5 hash, and provides a page to handle their redirection.
OpenPGPComment 
strips PGP/GPG headers and signatures from digitally signed comments to make them look nicely. Additionally a link to a plain text version of the signed comment and feedback on the verification process is provided.
Polite-ifier 
Make your comments more polite. Takes comments and replaces any swear words with asterisks and acronym tags to hide, but not destroy, the original foul language.
Recent Commenters and Recent Posts Commented on 
This plugin will display a list of recent commenters to your blog (will not show duplicates, and you can pass your email address in as a parameter so your name will be excluded) - as well, it will also list the posts that were most recently commented on (also no duplicates).
Recent Comments 
Quotes the most recent comments in the menu and links them to the article. Like seen on blogg.de.
show/hide comments 
uses the javascript in the Show/Hide more plugin to create a link that users can click on to display the comments on the same page.
Smart Comments Link 
is a conditional comments link that only appears if comments are open or if comments are available to be read.
Smart Comments Plugin v0.76 
This plugin does exactly what the above one does, and it adds a function which also makes this work for linklogs. This is the latest version.
Spam Stopgap Extreme 
works by forcing the client to compute a javascript md5 hash of pertinent user variables, preventing spam or other bots from posting comments. Based on work by Matt.
Spell Checker (Part Deux) 
Use Speller Pages to provide aspell-based spell checking of posts and comments.
SubscribeToComments 
is a plugin that will allow users (readers) to receive comment notifications on posts they subscribe to.
Talkback 
This plugin by Shelley allows you to insert links to display all comments by a person(name or url) on your weblog. The source of the plugins is available, and burningbird has a running live demo.
Trencaspammers: Security Graphic Generator for Comments 
Only humans will be able to post thus avoiding spamming bots. It generates a graphic code you need to read and copy into a new field in the comments block.
Top/Recent Commenters 
Retrieve the top commenters or most recent commenters to your site (if called outside "the loop") or for a particular post (if called inside "the loop").
WordPress Blacklist Comment Spam Plugin 
This plugin combats comment spam by holding comments for moderation, which originate from a list of IPs known for comment spam.

Statistics Plugins

Dunstan's Time Since 1.0 
Shows you the time since an entry was posted (like for instance: '1 hour and 2 minutes ago', or '2 years and 3 months ago'. And is also capable of tell you have long after an entry was posted, that a comment was posted (like so: '2 hours and 14 minutes after the fact').
Pingback/Trackbacks Counter 
Displays what it says. For 1.2mingus
Statistics Plugin 
Displays general blog statistics, posts, comments etc.
StatTraq 
Provides detailed statistics in nice graphical format (Demo at site).
Time Since 
Displays the date/time of the entry with hover text that shows the elapsed time since the post was published (e.g., 4 hours, 20 minutes ago).
Word/Image Counts 
adds a count for how many words and image are in a post to the "(more...)" text.
WP-Detective 
WP-Detective its a plugin design for WordPress to catch and "spy" all movements of predefined visitors from IP, nick, Referer or type of Browser.
wp-dstats2 Plugin 
An advanced visitor tracking plugin, fully-featured. For WordPress 1.2
wp-stats Plugin 
A simple stats plugin for WordPress 1.2+
wp-stats.php 
Updated wp-stats.php to Wordpress 1.2

Randomness Plugins

Another Random Post Plugin 
Displays one random post on the front page, w/o disturbing the display of a search or category/date/author post listing.
Random File 
Retrieve the name of a randomly chosen file in a given directory. Useful for displaying random images/logos or including text from random files onto your site (writing excerpts, multi-line quotes, etc).
Random Fortune 
wp-fortune will fetch a random fortune from a random file in a directory with fortune files.
Random Posts 
plug-in will display any number of random entries in a variety of ways.
Random Witty Text 
is a random quote plug-in. Very simple.

Geo and Weather Plugins

Coordinates Plugin 
If you put coordinates in a post that are in the correct format (xxdxx.xxx,-yydyy.yyy) it will convert them into a link to three things - a MapQuest map, and links to a CGI program for producing GPX and LOC files of the coordinates. description
GeoIP 
An alternative to IP to Nation.
GetWeather 
Much like the other two weather plugins, but uses weather.com and can operate on a simple ZIP code call.
IP to Nation 
Guesses visitors' country according to their IP (see example)
Location Enhancer 
Add Location and Country meta field to the article and help to get latitude and longitude with theses information on the admin screen. Generate a world map with a mark of the longitude and latitude point.
WeatherIcon: 
Displays Current Weather Conditions for a specified location With a Pretty Icon. Not nearly as nice as WeatherReport, but it does have a pretty Icon.. ;-)
WeatherReport 
creates on-the-fly weather reports for user-specified locations, based on METAR data, and returns the report as a text string. Highly customizable.

Miscellaneous Plugins

AddLinkAttribute 
Insert your own HTML tag attributes into (assumedly any) template function-generated links, without the need to rewrite those functions directly.
aggrss 
An RSS aggregator (feed reader), supporting RSS 0.9, 1.0 and 2.0
AmazonWishlist 
Given a wish list id, adds a random Amazon wish list selection to the sidebar.
AudioScrobbler Viewer 
Gets data from AudioScrobbler and displays it. Tasty.
Blo.gs Blogroll 
Plugin for fetching your blo.gs favorites and displaying them in your weblog, ordered by most recently updated.
Blogtimes 
Card Converter 
Replace playing card abbreviations with a CSS playing card. Allows you to write <card>As</card>, but WP to display a CSS representation of the Ace of Spades.
CG-Feedread 
Now in Plugin form, a fast and lightweight RSS/RDF/Etc. newsfeed and XML aggregator.
Condensed Content for Date and Category Archives 
Date and category archive pages are typically lengthy depending on the number of posts within an archive. This plugin is used to filter the_content() to return a condensed version of a post when viewed as a date (i.e., monthly, yearly, or weekly) or category archive.
Data Cache Plugin 
Caches the output of plugins, and refreshes each function individually, when it gets old.
Edit Button Template 
This plugin is a template for plugin authors that wish to add new buttons to the [Quicktags|Quicktags] toolbar. It does not edit the quicklinks.js file, but uses DOM to insert a new button, and functions entirely as a plugin that can be activated and deactivated without editing the WordPress core source. Download here
End of Article 
This plugin adds an end-of-article 'bug' like those you see in print magazines or on Wired News. They're mostly useful for multi-page articles or websites with tight, complex layouts. You can download the plugin here.
ESF 1.0 Feed 
Adds ESF support to WordPress.
Event Calendar 
Displays the WP calendar as usual, but will display post from a user set number of days in the future. Is also customisable to have the week start on Sunday (for U.S style) or Monday (for European style). Requires a small hack.
EventCalendar2 
Show future posts in the calendar grid, provided they belong to the 'event' category. With a hack, all future events can be listed. This is a heavily edited version of Event Calendar 1, above. See also: Show Events
Favicon Support for Alex King's style switcher 
this function enables favicon support for Alex King's style switcher
FOAF Header 
Simple. Add a FOAF link to your page's header.
FOAF Output 
Personal profile page with friends (XFN) and interests, FOAF RDF/XML profile including trust statements, and extended RSS (1.0) output. See also: Semantic Visits, an add-on for the FOAF Output plugin that extends the FOAF profile by adding statements about visited countries, US states, and Canadian regions, based on special "links" in link categories named "Countries" and "US States". Also: seeAlso's, another add-on that lets you add links to other FOAF files.
FoFI 
Feeds on Feeds Integration Plugin will allow you to list recently updated blogs pulled from you Feeds on Feeds data set.
GermanPermalinks 
converts German umlauts to permalinks.
GetAuthorProfile 
Lets you assign a specified author's (user) profile to global variables for use in your weblog.
GetLinksListFixed 
The default get_links_list in WP 1.2 doesn't use the Link Category Formatting options for Before, Between and After links. This plugin, dtw-links.php, provides a replacement function that does.
Google Pics 
Shows the images currently displayed on google news with links and floating text. Version: 1.0
GoogleRedirector 
Creates Google redirected links for the author URIs as well as any links inside the comments, to reduce comment spam.
Group Archives by Year 
Written in response to this thread, this plugin groups archives by the year and sublists the months.
Image Browser 
This plugin adds an "Insert Image" button to the edit screen which opens an image browser to select from all previously uploaded images and add the appropriate code to the post. If you want, you can consider it a sort of mini-gallery for easy selection of images, you want to include in your post. Forum thread is here.
IImage Browser 
Improved version of Browser plugin. You can:
  • Upload images and create thumbnails
  • Delete images
  • Browser through subdirectories
  • Add image to you post in many different ways
  • Choose your own thumbnail prefix.
  • Do all these thing pretty fast and almost without loading new pages from server because Javascript is used as much as possible
Questions, support, wishlist: IImage Browser comments
IImage Gallery 
IImage Gallery is as easy to use as IImage Browser. It allows you to add picture galleries to your posts. For more details, download, wishlist and demo go to: IImage Gallery
Monthly Archives 
This plugin creates a new function with a new, cleaner looking, archive. It's separated by the year, and grouped by months. Demo.
Optimal Title 
Mirrors the function of wp_title() exactly, but moves the position of the 'separator' to after the title rather than before. This allows you to have your blog name tacked on to the end of the page title instead than having it appear first.
OnThisDay 
List posts written on a given day in past years.
QuickAndDirtyPHPSourcePrinter 
Not really a plugin per se, this PHP script provides a fast and easy way for developers to display the source from a plugin, with syntax-highlighted code.
Registered Only 
Allows only registered users to view your blog.
RSD 1.0 
Adds RSD support to WordPress.
RusToLat 0.1 
This plugin convert cyrillic characters in post title to latin characters. Very useful for russian-speaking users of Wordpress. You can use this plugin for creating human-readable links. RusToLat
Serialize 
Extension to deliver a serial (page-per-day) novel (or other work) via RSS/ATOM, allowing the user to read from page one regardless of the date they start.
Show Events 
ShowEvents plugin for WordPress allows users of Word Press to create a category for event display. Each event that appears in the menu is entered into Word Press as a separate entry. Future events are displayed under “Upcoming” events. Each entry has a permalink (which you can disable if needed) and displays the post as a normal Word Press entry.
Smart Archives 1.0 
Allows you to list your archives by year, with a sublist of each month within that year.
Spammer TarPit 
If a visitor's IP number matches against an IP listed in your moderation_keys (AKA "spam words"), they will get a delay, followed by an "Access Denied" message. The delay and message are customizable. This will protect every WordPress powered page on your site.
StyleSheet Chooser 
This plugin allows the visitor to choose between various stylesheets and remembers that choice using cookies.
Today in weeks/months/years past 
(similar to OnThisDay) but lists links to an archive page for that day in the past.
UnderscorePermalinks 
Uses underscores rather than dashes in permalinks.
UntEins/LJPlugins 
a set of LiveJournal compatibility plugins written by Unt Eins.
UpdateLinkroll 
checks if any of the weblogs in your link-roll have been recently updated
UrlencodedPermalinks 
Uses urlenncode() to encode those non-english characters.
WayPathPlugin 
Enables the display of [1] generated "similar links'.
WP-Amazon 
WP-Amazon adds the ability to search and include items from Amazon.com to your post entries. This plugin adds a link called “Insert item from Amazon.com” on the post page. This link launches a search window which allows an author to search for items from Amazon.com to be included on the author’s post entry.
wp-email.php 
Browse Enable you to send your webblog entry to a friend.
WP Filters Manager 
WP Filters Manager allows you to turn on and off filter calls made by WordPress plugins on an individual basis without editing plugin or source code. Activating this plugin will add a "Filters" option to your Options menu. Requires WP 1.3
wp-gallery 
A small plugin to allow quick links/thumbnails to a Gallery photo archive/blog.
wp-glance 
An implementation of mpt's UI proposal, in part.
wp-pagenavi.php 
Adds a page navigation with paging elements to your WordPress.
wp-polls.php 
Adds an integrated poll system to your WordPress.
wp-print.php 
Displays a printable version of your WordPress weblog post.
WP-Pulse 
Generates a graphic monitoring the "pulse" of your weblog.
wp-recent-links 
Plugin to maintain and display a list of links that you found interesting in the recent past.
wp-useronline.php 
Enable you to display how many users are online on your Wordpress with detailed statistics of where they are and who there are(Members/Guests/Search Bots).
wp-vgl-events 
Count up from or down to events. Made because of this discussion
wp-wap.php 
Browse your WordPress weblog entries on a WAP enabled mobile phone.
WP2PDF Interface Plugin 
This plugin adds an easy to use interface for the WP2PDF hack.
wpPHPMailer 
An alternative to the default mailer usage of PHP's mail() function. Sends to SMTP host(s) directly (bypassing sendmail) and allows for HTML content.

Finding More Plugins

The official plugin repository is at wp-plugins.org, but at present wp-plugins.net is more helpful. It contains tons of plugins for anything you would ever need. It also features a plugin manager for your WordPress install, that will allow you to do one-click installs of plugins which saves a lot of hassle.

Managing plugins

For information about plugin management, see Managing plugins.

Creating plugins

Plugins are quite simple to create if you know a little bit of PHP. See the Plugin API.