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  4. S3 Image Optimizer
S3 Image Optimizer icon

S3 Image Optimizer

Compress images in Amazon S3 buckets using lossless and lossy optimization methods via the EWWW Image Optimizer.

By nosilver4u·S3·Free
5(1 reviews)
·200 active installs·Updated 1 month ago
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As of April 2026, S3 Image Optimizer is a WordPress s3 plugin with 200 active installations and a 5/5 rating from 1 reviews. It has been downloaded 19K+ times in total. Requires WordPress 6.6+ and PHP 8.1+. Available on WordPress.org since 2021. Recently updated within the last 3 months. Top alternative: WP Offload Media Lite for Amazon S3….

5/51 reviews
200active installs
19K+total downloads
5 yearssince 2021

Overview

The S3 Image Optimizer will optimize all your images in 1-1,000+ Amazon S3 buckets using the EWWW Image Optimizer. Since EWWW IO integrates directly with plugins like WP Offload Media, S3 IO is generally for folks who use a solution other than WP Offload Media to put their images on S3. But, if you have 20 sites sharing an S3 bucket, or have lots of buckets, and you would want to optimize them all from one place instead of 20 different sites, this is the plugin for you.

S3 IO features a web-based bulk optimization process, and a WP-CLI interface for massive buckets. S3 IO works with any S3-compatible storage service including Linode, Backblaze B2 and Digital Ocean Spaces.

You may report security issues through our Patchstack Vulnerability Disclosure Program. The Patchstack team helps vali…

Read full description on WordPress.org

Ratings & Reviews

51 reviews
5 ★
1
4 ★
0
3 ★
0
2 ★
0
1 ★
0

Compatibility

WordPress6.6+ requiredTested up to 6.9.4
PHP8.1+ required
Dependenciesewww-image-optimizer

Top Alternatives to S3 Image Optimizer

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Advanced Media Offloader icon
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Amazon S3 for WordPress icon
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Frequently Asked Questions

Changelog

3.0.0

Release Date – March 4, 2026

  • added: support for optimizing WebP image uploads
  • added: support for WebP naming mode in EWWW Image Optimizer
  • added: utility for migrating between WebP naming modes
  • added: utility to remove all WebP image copies from S3
  • added: option to force re-optimization of previously optimized images

…and 12 more changes

View full changelog on WordPress.org

Contributors

nosilver4unosilver4u
Plugin Info
Version
3.0.0
Last Updated
Mar 4, 2026
WP Requires
6.6+
Tested Up To
6.9.4
PHP Requires
8.1+
Active Installs
200
Downloads
19K+
Added
Jun 17, 2021
Business
Community

Tags

s3imagewp-clioptimizecompression

Developer

N
nosilver4u
5 plugins1.4M+ total installs
View all plugins →

Quick Compare

S3 Image Optimizer vs WP Offload Media Lite for Amazon S3…→S3 Image Optimizer vs Media Cloud for Bunny CDN, Amazon S3…→S3 Image Optimizer vs Advanced Media Offloader→

Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.