Pixonix Local Image Optimizer

By Suhanur Rashid

Installation

Does this plugin require an API key?: No. All optimization happens locally on your server using GD or ImageMagick.
Will it slow down my uploads?: The optimization adds a small amount of processing time per image (typically under 1 second). For most sites, this is imperceptible.
Does it work with Nginx?: Image optimization works on any server. However, automatic WebP/AVIF serving via .htaccess requires Apache with mod_rewrite. For Nginx, you’ll need to add rewrite rules manually.
Can I re-optimize images?: Yes! Use the “Re-optimize All” button to clear optimization data and run bulk optimization again with new settings.
What happens when I uninstall?: All plugin data (settings and optimization metadata) is cleanly removed. Your original images and any generated WebP/AVIF files remain untouched.
Is it compatible with WooCommerce / Elementor / WoodMart?: Yes. Pixonix Local Image Optimizer works with all themes and page builders that use the standard WordPress media library.

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“Pixonix Local Image Optimizer” is open source software. The following people have contributed to this plugin.

Complete rewrite with professional admin UI
Added AVIF conversion support with separate AVIF quality setting
Added System Requirements Auto-Check with color-coded status, actionable advice, and interactive gauge animation
Added non-intrusive administrative notice for critical server configuration issues
Added savings tracking (before/after file sizes)
Added configurable batch size (1-20 images per batch)
Added max dimension resize option
Added tab navigation (Dashboard / Settings / System Info)
Added toast notification system
Added animated stat counters
Removed jQuery dependency (pure vanilla JavaScript)
Security: Added capability checks on all AJAX handlers
Security: Whitelist validation for library option
Security: Uses insert_with_markers() for .htaccess management
Performance: Replaced posts_per_page=-1 with efficient COUNT queries
Added uninstall.php for clean data removal
Added Settings link on Plugins page
All strings internationalized (i18n-ready)
Added error logging (when WP_DEBUG is enabled)
Added PHP/WordPress version and memory limit to System Info

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