As of April 2026, CompressX is a WordPress AVIF plugin with 30K+ active installations and a 5/5 rating from 178 reviews. It has been downloaded 234K+ times in total. Requires WordPress 5.8+ and PHP 7.0+. Available on WordPress.org since 2024. Recently updated within the last 3 months. Downloads are down 6% this week. Support resolution rate: 33%. Top alternative: Modern Image Formats.
5/5178 reviews
30K+active installs
33%resolved
2 yearssince 2024
Overview
CompressX is a free, lightweight WebP & AVIF conversion and media replacement plugin for WordPress. It allows you to easily convert JPG and PNG images to WebP and AVIF formats, compress WebP and AVIF images, and replace media files without changing their URLs or attachment IDs. All AVIF and WebP conversions are performed locally on your web server.
Core Features
1. Convert AVIF & Compress AVIF
Convert jpg, png, and WebP images on your WordPress website to AVIF format, and compress AVIF images according to the compression level you set.
If the original image is already in AVIF format which is supported since WordPress 6.5, the original AVIF image will only be compressed.
2. Convert WebP & Compress WebP
Convert jpg, png images on your WordPress website to WebP format, and compre…
Screenshots
Ratings & Reviews
5178 reviews
5 ★
178
4 ★
0
3 ★
0
2 ★
0
1 ★
0
Recent Reviews
Works great
by Sravan·5 days ago·1 reply
Thanks
Works like charm
by benni51·2 weeks ago·1 reply
This free plugin worked very well for me. Thanks, CompressX!
Purrfect
by widaki·1 month ago·2 replies
Time winning extension. Good Job & Thx !
Very usefull tools i have 25.XXX picture in my site and is proceced without err
by noutghal·1 month ago·1 reply
Very usefull tools i have 25.XXX picture in my site and is procède without any error or cancel or timeout, powerfull plugin, just the time to process bulk for toussent of picture is very slow
Efficient and easy to use
by savingpatterns·1 month ago·1 reply
So glad I found this plugin! Great customer service too.
Download Trends
Today: 239Yesterday: 293This week: 2KPeriod total: 191K
Compatibility
| WordPress | 5.8+ requiredTested up to 6.9.4 |
| PHP | 7.0+ required |
Version Adoption
v0.9
100.0%
Top Alternatives to CompressX — AVIF & WebP Converter…
Frequently Asked Questions
Changelog
0.9.36
- Fixed some bugs in the plugin code.
- Optimized the plugin code.
- Refined the plugin readme file.
Contributors
Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.