Dirigible Studio

Tired of bloated SEO plugins?
Us too. That’s why we built Dirigible SEO. We’re search engine optimization experts who use professional keyword research and tracking tools to optimize and refine our content outside of WordPress. 
We don’t need a complex plugin to help us accomplish our SEO goals—we simply needed a way to edit our title tags and meta descriptions within a WordPress page or post.
Dirigible SEO uses the power of <a href="https://www.advancedcustomfields.com" rel="nofollow ugc">Advanced Custom Fields</a> to set up everything you need to manage your SEO.
See it in action https://www.youtube.com/watch?v=Dd7ZeIrZMC0&feature=youtu.be

Dirigible SEO

Free, fast and easy search engine optimization for web developers & SEO pros. Edit titles and meta tags quickly and easily. All killer, no filler.

FolioVision

Simple plugin which allows you to mass edit the description fields of your choice. In current version of the plugin it is possible to mass edit except the description fields also titles of pages, posts and categories and for posts it is additionally possible to edit keywords
<a href="http://foliovision.com/seo-tools/wordpress/plugins/foliopress-descriptions" rel="nofollow ugc">Support</a>
Supported description fields:
<ul>
<li>All In One SEO Meta Description</li>
<li>Thesis description</li>
<li>WordPress post excerpt</li>
</ul>

FV Descriptions

Simple plugin which allows you to mass edit the description fields of your choice.

Dirigible SEO vs FV Descriptions