Image Optimization — WordPress Image Optimization Plugin
Image Optimization – Compress Images and Convert to WebP or AVIF
by Elementor · WordPress.org page · Website
Image Optimization has 1 million+ active installs on WordPress.org and 15,619,885 downloads all time. We have tracked it since September 4, 2026; download trends appear after 30 days of data. The last update was on July 7, 2026, tested up to WordPress 7.0.4.
Image Optimization at a glance
Is Image Optimization well maintained?
Features
The feature list from the plugin's own readme on WordPress.org, trimmed to the essentials.
- Image formats supported include JPEG, PNG, WebP, AVIF and GIF
- Works in the background: The only plugin in the category that optimizes your images in the background, without you having to stay on the page during…
- Resize large images: The user can set a maximum pixel width, after which images will automatically be resized. (default value set to 1920px)
- 2 compression levels: Lossless – highest quality with minimal compression; Lossy – maximum compression with somewhat reduced quality
- Optimize on upload: Automatically optimizes images when you upload them
- Bulk or individual optimization: Flexible image optimization options, whether it’s on-demand scaling and compression, or bulk optimization for your entire…
- EXIF Metadata: Select whether to clear image metadata to reduce size even further without impacting image quality
- Backup original images: Ability to delete backups permanently to save space. (We recommend backing up your website beforehand.)
- Restore original images (all sizes) for selected media files if needed
- Convert to WebP and AVIF: Get efficient and faster-loading formats with WebP and AVIF for even better web performance
- Image thumbnails: Resize all image sizes by default. Allow the user to choose specific image sizes based on WordPress-registered thumbnail sizes
Image Optimization reviews and ratings
77 reviews on WordPress.org, with the most recent ones as their authors posted them.
77 reviews
- 5★
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9
- 4★
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1
- 3★
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4
- 2★
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4
- 1★
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59
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Poor image quality, S-L-O-W processing, high resource usage, frequent failures
After using this plugin for over a year, I can only say it leaves much to be desired. The compressed image quality is overall poor, even if you spend lots of credits testing trying to get it right. It can take a long time to process even a single image, sometimes taking more than a minute. Batches seem to offer a better overall performance gain, although the poor image quality remains an issue. I was led to believe all image processing was offloaded to the cloud, which may be true, although the CPU utilization increases quite a bit when this plugin is processing images. Finally, there are frequent failures where the images simply do not get optimized. There is no auto-retry, so you must manually intervene when this happens. There are other issues as well, such as not being able to determine how many credits each site has used if several small sites share a plan. Elementor suggested logging into each site, count how many items need to be optimized and how many were optimized. What?!? This plugin was poorly designed and poorly implemented. I expected much better from a company like Elementor.
boardboss -
Another Bait and Switch Plugin
This is another bait and switch plugin where they offer a service for free for a limited time, then stop providing the service because they want you to go pro. No thank you. I can resize my own photos on my laptop myself, it really isn't that hard to do. If I had to pay for every single plugin on here I would be broke.
pigeontarot -
Plugin tốt
Plugin tốt
Việt Kim Oanh -
Cheated by this company
A couple days ago, I Paid $60 to purchase an upgrade for Elementor as part of my Wordpress. It had a feature called Image Optimizer in side it. I worked one time then now it says I got to upgrade and buy it again after two days. It won't let me optimize any more images. This is apparently a scam. There does not seem to be any way to contact anyone for help. I will contact my credit card to dispute the charge. But I am not sure I will ever get anything back. DO NOT TAKE A CHANC E WITH THIS COMPANY - THEY ARE A SCAM.
w8usr -
extortion (Article 312.1 of the French Penal Code)
Blocking all the images in a WordPress site's media library without prior notice and demanding money to unblock them constitutes extortion (Article 312.1 of the French Penal Code), punishable by 7 years in prison and a €100,000 fine. Can anyone provide me with the contact information for the person responsible for the Image Optimizer plugin? Le fait de bloquer l'ensemble des illustration de la médiathèque d'un site wordpress sans information préalable et d'exiger une somme d'argent pour en permettre le déblocage est une extorsion de fonds (article 312.1 du Code Pénal français) passible de 7 ans de prison et de 100 000 € d'amende. Quelqu'un peut-il me donner les coordonnées du responsable du Plugin Image Optimizer ?
pastourel -
Poor user experience
Extremely poor experience. This plugin ruined my homepage layout immediately after activation. To make matters worse, I encountered an error when trying to deactivate it. I deeply regret installing this.
jasion897
Where Image Optimization ranks on WordPress.org
The rankings we track that Image Optimization appears in, and how its position changed over 30 days.
| Ranking | WordPress.org placement | Position | 30 days |
|---|---|---|---|
| Best Image Optimization Plugins | #1 by tag, #2 in search | #1 | – |
Image Optimization alternatives
Plugins that solve the same problem, ranked by how closely they overlap with Image Optimization.
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ShortPixel Image Optimizer 300,000+ installs · 4.5 -
Imagify 1 million+ installs · 4.3 -
reSmush.it 100,000+ installs · 4.3 -
Smush 1 million+ installs · 4.8 -
Converter for Media 500,000+ installs · 4.9
Compare Image Optimization head to head
Image Optimization vs EWWW Image Optimizer-
Image Optimization vs Imagify
Image Optimization vs Optimole-
Image Optimization vs reSmush.it
Image Optimization vs Robin Image Optimizer-
Image Optimization vs ShortPixel Image Optimizer
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Image Optimization vs Converter for Media
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Image Optimization vs Smush
Image Optimization vs WPvivid Image Optimization
Details
Automatically resize, optimize, and convert images to WebP and AVIF. Compress images in bulk or on upload to boost your WordPress site performance.
The full description, screenshots and every review live on the WordPress.org page.
Tags
- convert AVIF
- convert webp
- image compression
- image optimization
- performance
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- Version
- 1.7.6
- Last updated
- Jul 7, 2026
- First published
- Jan 8, 2024
- Requires WordPress
- 6.7
- Tested up to
- 7.0.4
- Requires PHP
- 7.4
- Pricing
- Free on WordPress.org
Image Optimization FAQ
What does Image Optimization do?
According to its WordPress.org readme, Image Optimization offers Image formats supported include JPEG, PNG, WebP, AVIF and GIF, Works in the background: The only plugin in the category that optimizes your images in the background, without you having to stay on the page during, Resize large images: The user can set a maximum pixel width, after which images will automatically be resized. (default value set to 1920px), 2 compression levels: Lossless – highest quality with minimal compression; Lossy – maximum compression with somewhat reduced quality and Optimize on upload: Automatically optimizes images when you upload them.
How many active installs does Image Optimization have?
WordPress.org reports 1 million+ active installs for Image Optimization as of September 7, 2026.
Is Image Optimization still maintained?
Yes. The last release was on July 7, 2026 and it is tested up to WordPress 7.0.4.
Does Image Optimization have good support?
On the WordPress.org forum, 1 of 1 recent support threads for Image Optimization are marked resolved. That is the developer's free support; a paid version usually comes with its own channel.
Is Image Optimization free?
Image Optimization is free to install from WordPress.org. Many plugins also sell a paid version or add-ons.
Where does Image Optimization rank among Image Optimization Plugins?
Image Optimization is #1 in the WordPress.org "image-optimization" ranking as of today.