by George Pattichis on WordPress.org
Generate image meta data automatically. Add alt text, titles, captions and descriptions from filenames. Bulk update existing images.

The settings page in Settings > Simple Image Meta
Automatically optimize images for SEO by generating alt text, titles, captions, and descriptions from filenames. Improves search rankings and accessibility.
Key Features:
* Auto-generate image attributes from filenames for new uploads
* Bulk update unlimited existing images with one click
* Auto-insert title attributes into post HTML
* Pre-Filter filename characters (hyphens, underscores, numbers, etc.)
* Universal Support: Works with all WP editors (Classic, Block, Gutenberg)