Comprehensive image optimization with WebP, AVIF, Lazy Load, and more. Optimize images automatically for Faste...
Free
1M+ installs 4.8★ (1,838)
Toolszu Image Optimizer
Toolszu Image Optimizer is a lightweight WordPress image compression, resizing, and WebP conversion plugin designed for content writers, bloggers, and …
The facts
- Rating
- 5★ from 1
- Active installs
- 100+
- Price
- Free
- Last updated
- 21 Jun 2026
- Added
- Mar 2026
- Requires WP
- 5.5
- Tested up to
- WP 7.0.4
- Requires PHP
- 7.4
- Downloads
- 1,131
Our analysis
AI-assistedToolszu Image Optimizer is a WordPress plugin that focuses on image compression, resizing, and WebP conversion. It automatically handles large image uploads by resizing and compressing them, while also offering bulk optimization for existing images in your media library.
This plugin is designed for content writers, bloggers, and websites that prioritise performance. It aims to enhance page load speed and overall website performance, making it suitable for those looking to improve their site's efficiency and SEO rankings.
Best for: This plugin is best for bloggers and content-heavy websites aiming to optimise image performance.
What it does well
- ✓Automatically resizes large image uploads
- ✓Compresses images on upload
- ✓Converts JPG and PNG images to WebP format
- ✓Includes bulk optimization for existing images
- ✓User-friendly dashboard
Where it falls short
- •Limited information on additional features or support
- •No specific details on compatibility with other plugins
Verdict
Toolszu Image Optimizer provides essential image optimisation features for WordPress users. It is a practical choice for those looking to enhance their site's speed and performance.
From the developer
Toolszu's own description of Toolszu Image Optimizer, lightly tidied.
Toolszu Image Optimizer is a lightweight WordPress image compression, resizing, and WebP conversion plugin designed for content writers, bloggers, and performance-focused websites.
The plugin automatically resizes large uploads, compresses them, converts them to WebP format, targets specific KB sizes, and includes a powerful bulk optimizer for existing media library images. Perfect for improving Core Web Vitals, page speed, and overall website performance.
Key Features
✔ Automatic physical dimension resizing (prevents massive 4K uploads)
✔ Automatic image compression on upload
✔ Convert JPG & PNG images to WebP automatically
✔ Target specific maximum file size (e.g., 150KB)
✔ Bulk optimize existing images
✔ Optional backup of original images
✔ Clean and beginner-friendly dashboard
✔ Designed specifically for content writers
Why Use Toolszu Image Optimizer?
Large images slow down websites and hurt SEO rankings. Toolszu Image Optimizer ensures your images are lightweight and properly scaled while maintaining visual quality. Whether you’re running a blog, news website, or content-heavy site, this plugin helps you:
• Improve page load speed
• Reduce server storage usage
• Boost user experience
• Support better SEO performance
Tagged as
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