Webangon Image Optimizer Wordpress Plugin - Rating, Reviews, Demo & Download

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Free

Plugin Description

Webangon Image Optimizer combines image cleanup, thumbnail regeneration, and WebP/AVIF conversion into one WordPress plugin. It gives site owners a single Media Library tool for reducing storage usage, improving image delivery, and keeping generated image files healthy. The plugin adds a tabbed admin page under Media > Image Optimizer and supports WP-CLI for large sites, scheduled maintenance, and developer workflows.

How WordPress Users Benefit

• Reduce hosting storage by finding unused Media Library images and deleting them after a safe dry scan.
• Improve page speed by converting images to modern WebP or AVIF formats.
• Rebuild missing or outdated thumbnails after theme changes, image-size changes, imports, or migrations.
• Remove old thumbnail files that are no longer useful.
• Protect important images used in Elementor, post content, featured images, WooCommerce galleries, widgets, theme/plugin options, SEO fields, and more.
• Manage heavy image tasks from WP-CLI without waiting on browser sessions.
• Keep image optimization workflows in one place instead of activating multiple separate tools.

Main Features

Image Cleaner

Scans image attachments and detects unused media while protecting images referenced throughout WordPress. Always run a dry scan first, review the result, and take a backup before deleting.

Thumbnail Regeneration

Regenerates selected registered image sizes across the Media Library. It can also delete old thumbnail files before rebuilding or remove all generated thumbnails while keeping the main image.

WebP / AVIF Converter

Converts Media Library images to WebP or AVIF using PHP GD. It can update attachment metadata and rewrite image URLs across posts, post meta including Elementor data, and options.

Admin Page

After activation, open:

`text

Media > Image Optimizer
`

The admin page includes three tabs:

`text

Image Cleaner
Thumbnails
WebP / AVIF
`

The plugin also adds an Optimize Image action link on the WordPress Plugins screen.

WP-CLI Commands

All commands use the shared namespace:

`bash

wp webangon-image-optimizer
`

Image Cleaner

Run a dry scan:

`bash

wp webangon-image-optimizer clean
`

Scan images older than 30 days:

`bash

wp webangon-image-optimizer clean –older-than=30
`

Run a deeper scan of custom fields and post meta:

`bash

wp webangon-image-optimizer clean –deep-meta
`

Protect images used only in revisions:

`bash

wp webangon-image-optimizer clean –include-revisions
`

Skip scanning widgets, theme options, customizer settings, and plugin options:

`bash

wp webangon-image-optimizer clean –skip-options
`

Set the processing batch size:

`bash

wp webangon-image-optimizer clean –batch=200
`

Delete unused images after confirmation:

`bash

wp webangon-image-optimizer clean –delete
`

Delete unused images without the confirmation prompt:

`bash

wp webangon-image-optimizer clean –delete –yes
`

Thumbnail Regeneration

Regenerate all registered thumbnail sizes for all image attachments:

`bash

wp webangon-image-optimizer thumbnails regenerate
`

Regenerate selected sizes:

`bash

wp webangon-image-optimizer thumbnails regenerate –sizes=thumbnail,medium,large
`

Delete old thumbnail files before regenerating:

`bash

wp webangon-image-optimizer thumbnails regenerate –delete-old
`

Regenerate from the full-size original image:

`bash

wp webangon-image-optimizer thumbnails regenerate –from-original
`

Regenerate specific attachments:

`bash

wp webangon-image-optimizer thumbnails regenerate –ids=12,34,56
`

Preview a thumbnail regeneration run without changing files:

`bash

wp webangon-image-optimizer thumbnails regenerate –dry-run
`

Delete all generated thumbnails while keeping the main image:

`bash

wp webangon-image-optimizer thumbnails purge
`

Also delete edit-backup files from cropped, rotated, or scaled images:

`bash

wp webangon-image-optimizer thumbnails purge –backups
`

Purge thumbnails for specific attachments:

`bash

wp webangon-image-optimizer thumbnails purge –ids=12,34,56
`

Preview a thumbnail purge without deleting files:

`bash

wp webangon-image-optimizer thumbnails purge –dry-run
`

Purge thumbnails without the confirmation prompt:

`bash

wp webangon-image-optimizer thumbnails purge –yes
`

WebP / AVIF Conversion

Convert all image attachments to WebP:

`bash

wp webangon-image-optimizer convert –format=webp –quality=82
`

Convert all image attachments to AVIF:

`bash

wp webangon-image-optimizer convert –format=avif –quality=70
`

Delete old source files after successful conversion:

`bash

wp webangon-image-optimizer convert –format=webp –quality=82 –delete-old
`

Re-encode images already in the selected output format:

`bash

wp webangon-image-optimizer convert –format=webp –regen
`

Convert specific attachments:

`bash

wp webangon-image-optimizer convert –ids=12,34,56 –format=webp
`

Convert files and skip database URL rewriting:

`bash

wp webangon-image-optimizer convert –format=webp –skip-rewrite
`

Rewrite database URLs only, without converting files:

`bash

wp webangon-image-optimizer convert –format=webp –rewrite-only
`

Preview a conversion run without changing files or database rows:

`bash

wp webangon-image-optimizer convert –format=webp –dry-run
`

Run conversion without the confirmation prompt:

`bash

wp webangon-image-optimizer convert –format=webp –quality=82 –yes
<h3>Recommended Workflow</h3>
1. Take a full file and database backup.
2. Run Image Cleaner in dry scan mode before deleting anything.
3. Regenerate thumbnails after changing theme image sizes or after imports/migrations.
4. Convert to WebP first for broad compatibility, or AVIF when your hosting stack supports it and you want smaller files.
5. Test important pages, Elementor templates, product galleries, and image-heavy pages after conversion.<h3>Requirements</h3>
- WordPress 5.8 or newer.
- PHP 7.4 or newer.
- PHP GD withimagewebp()for WebP conversion.
- PHP GD withimageavif()for AVIF conversion.
- WP-CLI for command-line usage.<h3>Safety Notes</h3>
- Deletion and conversion can permanently change files and database content.
- Use–dry-runwhere available before live operations.
- Keep original files unless you are confident the converted output is correct.
- Run large operations during low-traffic windows.
- Keep backups before using destructive options such as–delete,–delete-old`, or thumbnail purge.

Screenshots

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