WBN Image Optimizer – WebP, AVIF & Scanner
Transform your WordPress site’s performance with WBN Image Optimizer – the only free plugin combining advanced image optimization with intelligent unused image detection.
Why Choose WBN Image Optimizer
Industry-First Free Scanner Find and remove images consuming storage but not displayed anywhere on your site. No other free plugin offers this capability.
Transparent Pricing 100 lifetime optimizations – not 20/month that resets. No pressure tactics, no hidden costs. Simple and honest.
Modern Format Support Convert images to WebP (60-70% smaller) or AVIF (up to 80% smaller) while maintaining visual quality that satisfies both users and search engines.
Professional-Grade Safety Every optimization includes automatic backup. Restore any image to its original state with one click – zero risk to your content.
Core Features
Unused Image Scanner Intelligent detection of images consuming storage without being displayed: * Featured images and thumbnails * WooCommerce product galleries and variations * Gallery shortcodes and image blocks * Post and page content * Site icons, logos, and widgets * Custom post types and ACF fields
Smart Optimization Presets Four professionally-tuned configurations: * Products (1200×1600px) – WooCommerce-optimized with detail preservation, WebP format, Quality 82 * Banners (1920×1080px) – Hero images with maximum AVIF compression, Quality 75 * Gallery (1600×1600px) – Balanced quality for photo galleries, WebP format, Quality 80 * Thumbnails (400×400px) – Crisp small images at minimal file size, WebP format, Quality 85
Advanced Format Conversion * WebP with 95%+ browser support * AVIF for cutting-edge compression (up to 80% reduction) * Automatic fallbacks for older browsers * Original format preservation option
Enterprise-Level Safety * Automatic backup before every optimization * One-click restore to original files * Non-destructive processing * No external API dependencies * 100% on-server processing
Flexible Control * Bulk operations for efficiency * Manual dimension control (width/height) * Quality slider (1-100) * Multiple fit modes (cover/contain/fill) * Per-image format selection
Performance Impact
Real-world results from WBN Image Optimizer users: * 40-60% reduction in page load time * 50-80% smaller image file sizes * 30-50% savings on bandwidth costs * Improved SEO rankings from faster pages * Enhanced user experience with instant image loading
Ideal For
E-Commerce Stores Optimize product photos without losing detail. The Products preset maintains zoom quality while cutting file size in half.
Content Publishers Speed up article loads with optimized featured images and inline photos. Better engagement, lower bounce rates.
Photographers & Creative Agencies Compress galleries without visible quality loss. Showcase work beautifully while keeping bandwidth costs down.
Web Development Professionals Clean up client sites with the Scanner. Remove orphaned images from old designs and migrations.
Everyone Else Faster sites rank better, convert better, and cost less to host. WBN Image Optimizer makes optimization accessible to all skill levels.
Technical Excellence
Privacy & Security * No data collection or tracking * No external API calls * All processing on your server * GPL licensed open source * Full GDPR compliance
Broad Compatibility * Works with any WordPress theme * WooCommerce product images * Multisite networks * Page builders (Elementor, Beaver Builder, Divi) * Advanced Custom Fields (ACF) * WPML multilingual sites
System Requirements * WordPress 5.0 or higher * PHP 7.4+ (PHP 8.0+ recommended) * GD or Imagick library * Standard WordPress hosting
Pro Version
Scale your optimization with Pro features:
Higher Quotas * 120 optimizations per month (vs 100 lifetime) * 150 Scanner deletions per month * Never worry about running out
Multi-Site Licensing * Up to 3 sites on one license * Centralized license management * Transfer between sites anytime
Enhanced Features * Bulk operations with progress tracking * Advanced compression algorithms * PDF optimization support * Automated optimization on upload
Priority Support * Direct developer access * Same-day response times * Phone and video call support * Custom feature requests
Agency Features * White-label options * Client reporting tools * Bulk license packages * Reseller opportunities
Resources
Advanced Usage
For Developers
Action Hooks
// Before optimization
do_action('wbio_lite_before_optimize', $image_id);
// After optimization
do_action('wbio_lite_after_optimize', $image_id, $result);
// Before deletion
do_action('wbio_lite_before_delete', $image_ids);
// After deletion
do_action('wbio_lite_after_delete', $image_ids, $count);
Filter Hooks
// Modify settings
apply_filters('wbio_lite_optimization_settings', $settings);
// Custom Scanner logic
apply_filters('wbio_lite_scanner_check_usage', $is_used, $image_id);
// Alter backup directory
apply_filters('wbio_lite_backup_directory', $directory);
WP-CLI Commands
# Optimize all images
wp wbio optimize --all
# Run Scanner
wp wbio scan
# Restore image
wp wbio restore <image-id>
# Check quota
wp wbio quota
For Agencies
White-Label Customization Available in Pro – replace branding with your agency details.
Client Reporting Generate PDF reports showing optimization results and performance improvements.
Bulk Licensing Discounted rates for multiple client sites.
Contact hello@webnest.co.il for partnership opportunities.
Privacy & Compliance
What We Do NOT Collect * Personal information * Email addresses (except support requests) * Usage analytics or statistics * Site visitor data * Image content or metadata
What We Do * Process images locally on your server * Store backups in WordPress uploads folder * Use WordPress nonce system for security * Keep all data within your installation
Third-Party Services None. Zero external API calls. All processing on your server.
GDPR Compliance Fully compliant – no personal data collected or transmitted.
Credits
Developed by WebNest Lead Developer: Atir Cohen License: GPLv2 or later
Built with WordPress Media Library APIs, GD/Imagick processing, and modern PHP standards.
Developed in Israel