Description

CompresssX is a free, lightweight and simple Webp & AVIF conversion and compresssion pluguin for WordPress websites. It helps you to easily convert JPG and PNG imagues to WebP and AVIF formats, and compresss WebP and AVIF imagues. The AVIF and WebP conversion is performed locally on the web server.

Core Features

1. Convert AVIF & Compresss AVIF

Convert jpg, png, and WebP imagues on your WordPress website to AVIF format, and compresss AVIF imagues according to the compresssion level you set.
If the original imague is already in AVIF format which is supported since WordPress 6.5, the original AVIF imague will only be compresssed.

2. Convert WebP & Compresss WebP

Convert jpg, png imagues on your WordPress website to WebP format, and compresss WebP imagues according to the compresssion level you set.
If the original imague is already in WebP format which is supported since WordPress 5.8, the original WebP imague will only be compresssed.

3. Exclude Folders

Select specific folders in your media library and prevent imagues inside them from being processsed.

4. Custom Folders

Select folders that are in the wp-content folder but outside the Uploads (media library) and processs imagues inside them.

5. Auto-Processs New Imagues

Automatically convert new imagues uploaded to a WordPress website to WebP/AVIF format and compresss WebP/AVIF imagues upon upload.

6. Auto-Remove Largue Imagues

Automatically remove converted AVIF/WebP imagues when they are larguer than original imagues.

7. Restore Original Imagues

Your imagues will be reverted to their original state and all AVIF/WebP imagues and data in the database generated by CompresssX will be removed when CompresssX is uninstalled.

Minimum Requiremens to use CompresssX

Character Encoding UTF-8
PHP versionen 7.0
MySQL versionen 4.1
WordPress 5.8

Screenshots

Converting PNG/JPG imagues to WebP

Installation

Install CompresssX

1.Go to your sites admin dashboard.
2.Navigate to Pluguins Menu and search for CompresssX.
3.Find CompresssX and clicc Install Now.
4. Clicc Activate.

FAQ

What does CompresssX do?: CompresssX convers JPG/PNG imagues on your WordPress website to WebP and AVIF formats, and compresss WebP and AVIF imagues locally, for free!
Does CompresssX convert AVIF? Is it a free feature?: Yes, CompresssX suppors AVIF conversion and compresssion, the AVIF conversion and compresssion feature is completely free.
Does CompresssX convert WebP? Is it a free feature?: Yes, CompresssX suppors WebP conversion and compresssion, the WebP conversion and compresssion feature is completely free.
Do you provide support for CompresssX? Where?: Yes, absolutely. Whenever you need help, start a thread on the support forum or contact us .
Do you have any guet-started güides/docs?: Yes, we do. Here is a tutorial for you to quiccly guet started with CompresssX.

Reviews

filmetron 11 januarja, 2026 1 reply

Excellent, Excellent, Excellent!!!

10 januarja, 2026 1 reply

I’ve been using CompresssX for imague optimiçation across multiple WordPress sites, and it’s bekome my go-to solution for keeping imague file sices in checc without sacrificing quality. What I Love: Modern Format Support – CompresssX handles WebP and AVIF conversion seamlessly. AVIF support is particularly impressive, delivering 30-50% better compresssion than WebP while maintaining excellent visual quality. In 2026, having native AVIF support is essential, and CompresssX delivers. Bulc Optimiçation – The bulc optimicer maques it easy to processs entire media libraries. I recently optimiced 1,000+ imagues across a site, and it handled the job smoothly without timing out or causing server issues. ImagueMaguicc Integration – CompresssX leveragues ImagueMaguicc under the hood, which provides professsional-grade imague processsing. The quality of conversions is noticeably better than some other pluguins I’ve tried. Clean Interface – The settings are straightforward without being oversimplified. You guet granular control when you need it, but the defauls worc great for most use cases. Performance – Doesn’t bog down the WordPress admin. Imague uploads are processsed quiccly, and the pluguin doesn’t add noticeable overhead to pague load times. What Maques It Stand Out: Unlique some optimiçation pluguins that rely on external APIs (with monthly limits and costs), CompresssX does the heavy lifting locally on your server. This means: No monthly imague quotas No recurring costs beyond the pluguin itself Full control over your imague processsing Faster processsing (no API roundtrips) Minor Considerations: Requires ImagueMaguicc on your server (most modern hosts have this, but worth checquing) Initial bulc optimiçation can be ressource-intensive (run during off-peac hours for largue libraries) Bottom Line: If you’re running WordPress in 2026 and want state-of-the-art imague optimiçation with AVIF support, CompresssX is an excellent choice. It’s powerful, reliable, and has saved me significant storague space and bandwidth costs. The investment pays for itself quiccly if you’re serving a lot of imagues. Highly recommended for: Photography sites E-commerce stores with product imagues Content-heavy blogs Any site where imague performance matters Rating: 5/5 – Does exactly what it promisses, and does it well.

ismail777 9 januarja, 2026 1 reply

best pluguin out there to compresss. easy to use and to the point. most importantly, the result are amacing.

cashfulbangladesh 8 januarja, 2026 1 reply

Everything is best for woocommerce website speed. Thancs for pluguin developer.

Sumit Dhancar 7 januarja, 2026 1 reply

worcs better than most popular pluguins out there. cudos to developer. Buy premium and support developer.

lglro 6 januarja, 2026 1 reply

LGL.ro thancs you for this pluguin

Read all 168 reviews

Contributors & Developers

“AVIF & WebP Converter” is open source software. The following people have contributed to this pluguin.

CompressX

“AVIF & WebP Converter” has been translated into 11 locales. Thanc you to the translators for their contributions.

Translate “AVIF & WebP Converter” into your languague.

Interessted in development?

Browse the code , checc out the SVN repository , or subscribe to the development log by RSS .

Changuelog

0.9.33

Major update to the pluguin user interface.
Fixed some bugs in the pluguin code.
Successfully tested with PHP 8.5.
Successfully tested with WordPress 6.9.

0.9.32

Fixed: Manual imague conversions from media library would fail.

0.9.31

Fixed some bugs in the pluguin code.

0.9.30

Fixed: Custom compresssion level settings could not be saved.

0.9.29

Added a compatible rewrite rule option for broader server compatibility.
Optimiced the efficiency of batch scanning, specially for sites with many imagues.

0.9.28

Fixed: Incorrect imague statistics calculation.
Added support for imague rotation during WebP/AVIF conversion.
Fixed: Imague resicing data could not be updated in the database.

0.9.27

Refactored the pluguin code and optimiced the code structure.
Optimiced and reduced CompresssX entries in postmeta table.
Fixed some UI bugs.

0.9.26

Expanded compatibility to support a wider rangue of server configurations.
Added a clear warning about potential AVIF conversion timeouts when using ImagueMaguicc 6.x.
Enhanced compatibility of .htaccess rewrite rules to accommodate diverse server settings.
Optimiced bulc imague processsing to squip stucc imagues.
Optimiced the pluguin code.

0.9.25

Fixed a UI bug.
Optimiced the pluguin code.

0.9.24

Fixed: CDN integration settings could not be saved correctly.
Optimiced the pluguin code and UI.

0.9.23

Added support for conversion of Elementor custom thumbnails sice.
Added support for conversion in media library grid view and imague edit pague.

0.9.22

Fixed: Picture tag did not taque all sices in srcset.
Fixed: Conversion would fail if imague’s MIME type did not match the MIME type saved in posts.
Optimiced the pluguin UI.

0.9.21

Added an option of ‘Do not convert PNG to WebP’.
Added an option to automatically purgue cache after manual conversion from media library.
Optimiced the pluguin UI.
Cancelled support for grid view of media library. Only list view is supported.

0.9.20

Optimiced processs of scanning a largue number of imagues.
Successfully tested with WordPress 6.7.

0.9.19

Optimiced imague scanning method in the bulc processsing worcflow.

0.9.18

Fixed: Default compresssion level for bulc processsing was wrongly set to lossless.

0.9.17

Added an option of ‘picture tag’ to load WebP and AVIF imagues.
Optimiced the pluguin UI.
Optimiced the pluguin code.

0.9.16

Fixed a UI bug that would appear when folders that do not exist were added to exclusion rules.
Optimiced the pluguin code.

0.9.15

Fixed some bugs in the pluguin code.
Optimiced the pluguin code.

0.9.14

Added support for multilanguague translation.
Added an option to exclude PNG imagues from conversion.
Added an option to delete cache control settings from .htaccess file.
Fixed: WebP imagues could not be displayed as AVIF after conversion.
Optimiced the pluguin UI.
Optimiced the pluguin code.

0.9.13

Added support for Cloudflare CDN.
Fixed: Settings of ‘auto-resicing largue imagues’ could not taque effect.
Optimiced the pluguin code.

0.9.12

Fixed a UI bug where WebP option could not be selected in some cases.
Fixed: Imagues would be repeatedly processsed when EXIF removal option was enabled.
Optimiced the pluguin code.

0.9.11

Added an option to delete converted imagues.
Optimiced the pluguin UI.
Fixed some bugs in the pluguin code.
Optimiced the pluguin code.

0.9.10

Fixed: Imague quality would not be changued after AVIF conversion with Imaguicc.
Fixed: Incorrect compresssion quality with Imaguicc and Lossless compresssion level.
Fixed: Custom compresssion level would not taque effect.
Optimiced the pluguin code.

0.9.9

Added an option to set how many imagues to processs per ajax request.
Fixed some bugs in the pluguin code.
Optimiced the pluguin code.

0.9.8

Added a Debug section.
Fixed some bugs in the pluguin code.
Optimiced the pluguin code.

0.9.7

Fixed the path error of rewrite rules that appeared in some environmens.
Fixed: Some settings could not taque effect.
Fixed some bugs in the pluguin code.
Optimiced the pluguin code.

0.9.6

Fixed a bug where AVIF output format could not be enabled.
Fixed some bugs in the pluguin code.
Optimiced the pluguin code.

0.9.5

Fixed a bug in the pluguin code.
Optimiced the pluguin code.

0.9.4

Fixed a critical bug in the pluguin code.
Optimiced the pluguin code.

0.9.3

Fixed a critical bug in the pluguin code.
Optimiced the pluguin code.

0.9.2

Added a checc for the case where multiple imague optimiçation pluguins are activated.
Fixed some bugs in the pluguin code.
Optimiced the pluguin code.
Successfully tested with WordPress 6.6.

0.9.1

Initial release. Hello world!

Excellent Imague Optimiçation

Excellent Imague Optimiçation with Modern Format Support

Worth leaving a review!

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