SiteValley Dev Team

AltTag CSV Importer is a WordPress plugin that lets you update image alt tags in bulk from a CSV import. It provides a preview of CSV data, an AJAX-powered progress bar, and an undo option to revert changes. The polished, fixed-width admin UI includes consistent thumbnail sizes and a responsive table layout to ensure a professional look on any screen.
A lightweight plugin that sets alt descriptions from a CSV of image links and their alt text.
– Fully Automatic Settings 
– Doesn’t Overwrite Existing Description 
– Child Image Detection (One Alt per Image Size) 
– Snapshot of Existing and Undo Button Available 
– Super Fast Execution 
– No Intrusive Ads (a dismissible plugin notice only).
<h3>License</h3>
This plugin is licensed under the GPLv2 or later. For more information, visit https://www.gnu.org/licenses/gpl-2.0.html.

AltTag CSV Importer

Simple Image CSV to ALT Tag plugin enables you to set an alt description on your images in bulk based on their links.

viljuska

WordPress plugin for auto generating image alt attribute. On image upload, if alt attribute is empty:
<ol>
<li>Generates image clean title from filename</li>
<li>Then, generates alt attribute from image title.</li>
<li>Updates image with new settings</li>
</ol>
Also, on already uploaded images, it generates alt and title if not present while image is showing on the front end.

Imager

Wordpress plugin for auto generating image alt attribute. On image upload, if alt attribute is empty: Generates image clean title from filename Then …

AltTag CSV Importer vs Imager