Auto Alt Images

Description

Images without alt text are a problem for accessibility (screen readers) and SEO.
This lightweight plugin automatically adds alt attributes where they are missing:

  • Inside post content uses the current post title.
  • For images loaded via wp_get_attachment_image() uses the image filename (without extension).

If an image already has alt text, the plugin leaves it untouched.

No settings, no configuration — just activate and your site is more accessible.

Features

  • Improves accessibility by ensuring images have alt text.
  • Helps SEO by filling in descriptive alt attributes.
  • Post/page content images get the post title.
  • Template images (e.g. theme calls) get the filename.
  • Super lightweight and fast.

Installation

  1. Upload the plugin folder to /wp-content/plugins/ or install via Plugins > Add New.
  2. Activate the plugin through the ‘Plugins’ menu in WordPress.
  3. That’s it — missing alt attributes will now be auto-filled.

FAQ

Will this overwrite existing alt text?

No. If your image already has alt text, the plugin does nothing.

Can I choose what text gets used?

In version 1.0, no — it’s automatic. A future version may allow you to pick fallback options (post title, filename, site title, custom text).

Does this change my database?

No. The plugin only filters the output before rendering. It does not update the actual media library fields.

Reviews

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Contributors & Developers

“Auto Alt Images” is open source software. The following people have contributed to this plugin.

Contributors

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Interested in development?

Browse the code, check out the SVN repository, or subscribe to the development log by RSS.

Changelog

1.0.0

  • Initial release.