Ono Oogami

<p>This little plugin allow customing the “date base” of date (month, year, day, etc.) archive page. For example, by default your blog’s monthly archive page’s permalink is like: “http://example.com/date/2010/05/”, with this plugin you can change the string “date” to others, just like the feature of changing permalink’s category base and tag base which is built in WordPress.</p>
<p>Note if your blog’s permalink structure is “/YYYY/mm/dd/post-slug/”, this plugin will not take effect and your blog’s permalink of date archive page would be “/YYYY/mm/”.</p>


Date Permalink Base

Allow customing date base of archive page permalink .

VelvetBlues.com

<p>If you move your WordPress website to a new domain name, you will find that internal links to pages and references to images are not updated. Instead, these links and references will point to your old domain name. This plugin fixes that problem by helping you change old urls and links in your website.</p>
<h4>Features:</h4>
<ul>
<li>Users can choose to update links embedded in content, excerpts, or custom fields</li>
<li>Users can choose whether to update links for attachments</li>
<li>View how many items were updated</li>
</ul>


Velvet Blues Update URLs

Updates all urls and content links in your website.

Date Permalink Base vs Velvet Blues Update URLs