Ponsiva . Pandian

Auto Image Alt Generator helps you keep your website accessible and SEO-friendly by automatically generating alt text for images when you upload them. 
If you forget to add alt text manually, this plugin fills it in for you — using a readable version of the image filename.
Example: 
 blue-tshirt.jpg → “Blue T Shirt”
Features 
* Auto-generates alt text when uploading images 
* Uses clean, readable text derived from the filename 
* Improves accessibility and SEO without extra effort 
* Lightweight — no settings or database bloat 
* Compatible with the Classic Editor and Gutenberg
The plugin does not overwrite existing alt text, ensuring your manually written content remains untouched.
<h3>License</h3>
This plugin is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
<h3>Credits</h3>
Developed by Ponsiva Pandian 
Website: http://iamponsiva.rf.gd

Auto Image Alt Generator

Automatically adds alt text to uploaded images based on their filename to improve accessibility and SEO.

thomtoonen

<ul>
<li>Alt text column in the media list</li>
<li>“Bulk edit alt text” button on upload.php</li>
<li>Bulk modal to edit filename and alt text per item</li>
<li>When renaming files, references in post content are updated</li>
</ul>

TTO Bulk Media Editor

Edit alt text and filename in bulk from the media library (list and grid view).

Auto Image Alt Generator vs TTO Bulk Media Editor