<p>To enhance the WordPress default formatter’s flexibility, this plugin<br />
enables configuring content and excerpt styles with various formats.</p>
<h4>Features</h4>
<ul>
<li>Replaces “br” tags with “p” tags.</li>
<li>Produces valid XML parser for all sources.</li>
<li>Automatically generates excerpts in chosen length.<br />Enables configuring following settings; length, separator elements (period,<br />
touten, paragraph), read more text, tags which you allow in excerpts,<br />
and etc..</li>
<li>Add any tags or texts to one’s contents as header and footer.</li>
</ul>
<h4>Demo</h4>
<p>See this plugin working on <a href="http://www.wembley.jp/" rel="nofollow ugc">my blog</a>. Contents and excerpts in this site are generated by this plugin.</p>


Plastic Post Style

記事本文と抜粋の出力を調整・カスタマイズします。Configure content&excerpt styles of all posts with various configurations.

BettyJJ

<h4>Main features of the plugin:</h4>
<ol>
<li>It supports multi-byte language (such as Chinese). It will not produce gibberish as some other excerpt plugins do.</li>
<li>The html tags in the original posts, i.e., the font styles, colors, hyperlinks, pictures and such are preserved in the excerpt.</li>
<li>For better readability, it displays 300 characters for each post on the homepage and 150 characters for each post on archive pages.</li>
</ol>


WP-UTF8-Excerpt

This plugin generates a better excerpt for multi-byte language users (Chinese, for example). Besides, it keeps the html tags in the excerpt.

Plastic Post Style vs WP-UTF8-Excerpt