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CompressX — WordPress Image Optimization Plugin

CompressX — AVIF & WebP Converter, Media Replacement

by CompressX · WordPress.org page

v0.9.39 Tested up to WP 7.0.4 PHP 7.0+

CompressX has 40,000+ active installs on WordPress.org and 335,518 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 29, 2026, tested up to WordPress 7.0.4.

CompressX at a glance

Active installs
40,000+
Total downloads
335,518
Downloads, last 30 days
–
available after 30 days of tracking
30-day growth
–
tracking since September 4, 2026

Is CompressX well maintained?

Support threads resolved
2 of 2
recent threads on the WordPress.org support forum
WordPress compatibility
Behind
tested up to WordPress 7.0.4, not yet with the current 7.1
One-star reviews
0%
0 of 191 reviews on WordPress.org

Features

The feature list from the plugin's own readme on WordPress.org, trimmed to the essentials.

  • Character Encoding UTF-8
  • PHP version 7.0
  • MySQL version 4.1
  • WordPress 5.8

CompressX reviews and ratings

191 reviews on WordPress.org, with the most recent ones as their authors posted them.

All reviews
5.0 out of 5

191 reviews

5★
191
4★
0
3★
0
2★
0
1★
0

  • Wonderful plugin!

    Easy and practice plugin! I love it!

    Marcus Pessoa

  • Spectacular !! The best.

    Spectacular plugin, the best one. And it's free.Kudos to the developers.

    mswiki

  • Excellent Plugin. Thank you

    It works flawlessly and has different settings for Woocommerce and Wordpress images. Thanks again to the developer for responding to my email.

    Dr. Melvin Temo

  • Super! CompressX działa znakomicie POLECAM

    Znakomita aplikacja - kompresuje wszystkie pliki graficzne w jednej sesji! POLECAM - skasowałem inne wtyczki które przetwarzają na raz np 50 plików...

    reart2

  • Love it!

    Lovely plugin, works great, does exactly what its supposed to do,highly recommended

    ketombiri

  • Excellent plugin

    It works very well.

    Marcos Nakamine

Where CompressX ranks on WordPress.org

The rankings we track that CompressX appears in, and how its position changed over 30 days.

Ranking WordPress.org placement Position 30 days
Best Image Optimization Plugins #15 by tag, #39 in search #18 –

CompressX alternatives

Plugins that solve the same problem, ranked by how closely they overlap with CompressX.

All CompressX alternatives

Details

AVIF & WebP converter with built-in media replacement for local image optimization.

The full description, screenshots and every review live on the WordPress.org page.

Rankings CompressX competes in

Tags

  • AVIF
  • convert AVIF
  • convert webp
  • optimization
  • webp
Version
0.9.39
Last updated
Jul 29, 2026
First published
Jun 26, 2024
Requires WordPress
5.8
Tested up to
7.0.4
Requires PHP
7.0
Pricing
Free on WordPress.org

CompressX FAQ

What does CompressX do?

According to its WordPress.org readme, CompressX offers Character Encoding UTF-8, PHP version 7.0, MySQL version 4.1 and WordPress 5.8.

How many active installs does CompressX have?

WordPress.org reports 40,000+ active installs for CompressX as of September 7, 2026.

Is CompressX still maintained?

Yes. The last release was on July 29, 2026 and it is tested up to WordPress 7.0.4.

Does CompressX have good support?

On the WordPress.org forum, 2 of 2 recent support threads for CompressX are marked resolved. That is the developer's free support; a paid version usually comes with its own channel.

Is CompressX free?

CompressX is free to install from WordPress.org. Many plugins also sell a paid version or add-ons.

Where does CompressX rank among Image Optimization Plugins?

CompressX is #18 in the WordPress.org Image Optimization Plugins ranking.