gistmag

GistMag Alt Text Generator helps you automatically generate high-quality alternative text for images in your WordPress media library.
It uses the GistMag API to create descriptive, SEO-friendly alt text that improves accessibility for screen readers and helps search engines better understand your images.
Key features:
<ul>
<li>Auto-generate alt text on image upload</li>
<li>Generate alt text manually for individual images</li>
<li>Bulk alt text generation for existing media library images</li>
<li>Multiple modes: Short, Long, and SEO-optimized alt text</li>
<li>Works in the Media Library list and grid views</li>
<li>Usage statistics so you can track how many images you’ve processed</li>
</ul>
You will need a free GistMag account and API key to use this plugin.

GistMag Alt Text Generator

AI-powered alt text generation for your WordPress media library. Improve accessibility and SEO with high-quality alternative text for images.

dufour_l

Image Alt Sync scans selected posts and updates any <code><img></code> tags found in the post content that reference media items (class <code>wp-image-###</code>), and replaces their <code>alt</code> attributes with the attachment’s <code>_wp_attachment_image_alt</code> value: 
– If the image is in the Media Library, it prefers the attachment’s Alt Text. 
– If no attachment alt is set, it falls back to the image filename (without extension) or the post title (configurable in the UI). 
– Optionally skip images that aren’t found in the Media Library. 
– Optionally restrict by image file extensions (e.g. <code>jpg,webp</code>).
Run in dry run first to see exactly what would change. The log shows each post processed and any per-image alt changes.
Highlights 
– Processes per post in batches with a customizable delay (default 100 posts, 1s). 
– Filter by post status and date range (quick buttons: Today, Yesterday, Last week, Last month, YTD, All). 
– Validate that “Date after” ≤ “Date before”. 
– Limit by Post ID range with buttons to auto-fill lowest and highest post IDs. 
– Skip posts without <code><img></code> (optional). 
– Exclude image extensions (comma-separated, e.g. <code>.svg,.gif</code>). 
– Dry run (browser & WP-CLI) shows clickable post IDs, post titles, filenames, and detailed old → new alt replacements. 
– Only processes posts that have at least one image attachment.
For more details you can send mail with your suggestions, recommendation to dufour_l@hotmail.com
<h3>Usage</h3>
<ol>
<li>Choose your filters (date range, min/max post ID, or “Apply to all posts”).</li>
<li>Set Batch size and optional Delay between batches to throttle load.</li>
<li>Choose a Date Range, or click a shortcut button (autofills Date after/Date before).</li>
<li>(Optional) Enter Lowest/Highest Post ID or click the quick-fill buttons.</li>
<li>(Optional) Check Skip posts without <code><img></code>.</li>
<li>(Optional) Enter Exclude extensions like <code>.svg,.gif</code>.</li>
<li>Optionally enable Dry run to preview changes without saving.</li>
<li>Click Start. Progress and detailed per-post changes appear in the log.</li>
<li>If needed, click Stop to pause after the current batch finishes.</li>
</ol>
Tips 
– Use the “Lowest ID” and “Highest ID” buttons to auto-fill the ID range. 
– Use the extension filter (e.g. <code>jpg, jpeg, png, webp</code>) to target specific image types. 
– Check “Skip images not in media library” to avoid external or missing files.
<h3>Usage (WP-CLI)</h3>
From your WordPress root:
<pre><code>wp image-alt-sync run --status=publish --after=2025-01-01 --before=2025-08-13 --batch-size=100 --delay=1 --dry-run --low-id=1 --high-id=9999 --skip-noimg=1 --exclude-ext=".svg,.gif"
</code></pre>
Args 
– <code>--status=</code> publish|pending|draft|any (default: publish) 
– <code>--after=</code> YYYY-MM-DD (optional) 
– <code>--before=</code> YYYY-MM-DD (optional) 
– <code>--batch-size=</code> integer (default: 100) 
– <code>--delay=</code> seconds (float, default: 1) 
– <code>--dry-run</code> flag (no changes saved if provided) 
– <code>--low-id=</code> minimum post ID (optional) 
– <code>--high-id=</code> maximum post ID (optional) 
– <code>--skip-noimg=</code> 1|0 (default 0) 
– <code>--exclude-ext=</code> comma-separated list like <code>.svg,.gif</code>
<h3>Credits</h3>
Crafted with ❤️ for accessible content.

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