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AI Infos Image Optimizer

A WordPress plugin that compresses every image anyone uploads, without visible quality loss, and fills in missing alt text, titles, captions and descriptions from the posts that use each image. It needs no external service, though Anthropic Claude can optionally write image descriptions.

by iqbalmbadhan · github.com/iqbalmbadhan/aiinfos-image-optimizer · website

★ 0stars

Install

Download source zip No release zip yet

This is the repository archive. It installs, but the folder name will carry the branch suffix and updates will not flow.

Install straight from GitHub with WP-CLI:

wp plugin install https://github.com/iqbalmbadhan/aiinfos-image-optimizer/archive/refs/heads/main.zip
No built-in updater. New versions won't appear under Dashboard → Updates. Install new releases yourself, or let Git Updater track the repository.
Readme github.com/iqbalmbadhan/aiinfos-image-optimizer ↗

A WordPress plugin that compresses every image anyone uploads, without visible quality loss, and fills in missing alt text, titles, captions and descriptions from the posts that use each image. It needs no external service, though Anthropic Claude can optionally write image descriptions.

What it does
Automatic Every upload is processed: Media Library, block editor, REST API, apps, WP-CLI, by any user allowed to upload
Compression Visually lossless by default (JPEG 82, WebP 80). Three levels
Resize Photos larger than 2560px are scaled down; the untouched original is kept
WebP Thumbnails and in-post sizes are saved as WebP, and WordPress serves them automatically
Privacy GPS and camera data are removed from public files (colour profile kept). IPTC title, caption, credit and copyright are saved to the Media Library first
Safe A file is only replaced if it's really smaller. Originals are backed up to a private folder, with one-click restore. Bulk mode recompresses in place, so no image URL changes
SEO filenames IMG_4821 (1).JPG becomes your-post-title.jpg when uploaded into a post
Image details Missing alt, title, caption and description are filled from the photo's own data, the post it's uploaded to, set as featured image in, or embedded in, and the filename. Never overwrites text a person typed
Front end No <img> ships with an empty alt
AI (optional) Claude describes new uploads in the background (your Anthropic API key)

Where image details come from

When a field is empty, the plugin fills it from the best source available. A stronger source can later replace a weaker automatic value, but text a person typed is never replaced. From weakest to strongest:

filename → the post using the image → AI description → the photographer's IPTC data → a person

Install

  1. Upload aiinfos-image-optimizer.zip under Plugins › Add New › Upload, then activate it.
  2. Go to Media › Image Optimizer. The defaults are ready to use.
  3. For images already in your library, click Optimize library, then Fill missing details.

For optional AI descriptions, add this to wp-config.php:

define( 'AIIO_ANTHROPIC_API_KEY', 'sk-ant-...' );

Then tick Describe new uploads with AI.

WP-CLI

wp image-optimizer bulk [--limit=<n>]      # optimize unprocessed images
wp image-optimizer fill-alt                # fill missing alt/title/description
wp image-optimizer describe [<id>...]      # AI descriptions (needs API key)
wp image-optimizer restore <id>... | --all # put originals back
wp image-optimizer stats

Tested

Tested on WordPress 7.1.3 with PHP 8.3 and GD:

Upload Before After
4000px camera JPEG with GPS (uploaded by an author, into a post) 2.0 MB 199 KB (WebP, 2560px)
1600px photo with GPS 439 KB 122 KB
PNG screenshot 159 KB 11 KB

In each case GPS was removed and the details were filled from the post. A bulk run over existing images saved 2.8 MB across 23 images without changing any URL. AI descriptions were tested against a mocked API reply, not a live key.

Notes

  • Contributors can't upload files in WordPress by default. That's a core permission, not this plugin.
  • Backups live in uploads/aiio-backups-<random>/. The random name keeps them private on Nginx, where .htaccess rules don't apply. Uninstalling keeps the backups.
  • Hooks: aiio_quality (filter quality per format) and aiio_optimized (action after each image).

Built by Md. Iqbal Mahmud · iqbalmahmud.com