by Grzegorz Puszka 1 (0 reviews)

PDEV Image Optimizer

Name: PDEV Image Optimizer
Author: Grzegorz Puszka

Create WebP or AVIF copies of WordPress images locally and serve them without changing original URLs. Free, simple, and without a PRO version.

PDEV Image Optimizer ranks #53,552 among WordPress.org plugins with 1+ active installations, is #4,427 of 6,299 in the Media category, a 1/5 rating from 0 reviews, and was last updated Aug 27, 2026. Data from WordPress.org, refreshed twice daily — see methodology.

Compatible with WP 7.1

v1.2.1 Current Version v1.2.1

Updated 2 weeks ago Last Update on 27 Aug, 2026

Refreshed 9 hours ago Last Refreshed on

#4,427 of 6,299 in Media Actively maintained

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Rank

#53,552

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Active Installs

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KW Avg Position

N/A

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Downloads

287

+6 today

Support Resolved

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Rating

20%

Review 1 out of 5

1 (0 reviews)

Next Milestone 10

Total Progress 30%

0+ 10+

52,839

Ranks to Climb

Growth Needed

8,000,000

Active Installs

Pro

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Rank Changes

Current #53,552

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Active Installs Growth

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Active Installs 0,000,000+

Growth +0.0%

Peak 0,000,000

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Reviews & Ratings

1.0

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Overall 20%

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Plugin Details

Version: 1.2.1
Last Updated: Aug 27, 2026
Requires WP: 6.4+
Tested Up To: 7.1
PHP Version: 8.0 or higher
Author: Grzegorz Puszka

Support & Rating

Rating: ★ ☆ ☆ ☆ ☆ 1
Reviews: 0
Support Threads: 0
Resolved: 0%

Keywords

AVIF images optimization thumbnails webp

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Frequently Asked Questions

Common questions about PDEV Image Optimizer

No. The original files stay in place. PDEV Image Optimizer writes a separate sidecar file next to every converted source and WordPress continues to use the original URL.

Conversion works, but delivery rules do not. On Apache/LiteSpeed, check that .htaccess, mod_rewrite, mod_mime, mod_headers, and AllowOverride are available. On Nginx, install the generated configuration and reload the server. Also clear page, server, CDN, and browser caches before testing again.

Your installed Imagick and GD builds decide which output formats are available. Many servers support WebP but were compiled without AVIF support. The plugin

Imagick is preferred when it supports the selected output format. GD is used as a fallback. The detailed System status report shows both libraries, versions, format support, and resource limits.

Open Settings > Overview and click Test image delivery. PDEV Image Optimizer creates temporary local test files, requests the original URL with the selected format in the Accept header, verifies the response, and removes the files immediately. A successful result confirms an image/webp or image/avif response. The last result remains visible until conversion or delivery settings change. You can also verify a real image in browser developer tools. Select its request in the Network panel and inspect Content-Type. The URL may still end in .jpg while the response type is image/webp or image/avif; that is expected.

Yes. Media library processes the original attachment and all registered WordPress image sizes. Work is split into small restartable requests. One failed or oversized image is logged and skipped without stopping the remaining batch.

The compressed file size does not show how much memory is needed after decoding. PDEV Image Optimizer skips sources larger than 64 MB, wider or taller than 16,384 pixels, or containing more than 25 megapixels. GD and Imagick also have separate memory, time, disk, and thread safeguards described in Hosting resource protection and image limits above. The skipped attachment remains unchanged and is listed as an error so it can be reviewed instead of silently exhausting the server.

They scan the Media Library for missing registered thumbnail files and obsolete files associated with image sizes that are no longer registered. They can create missing sizes or fully regenerate thumbnails. Thumbnail regeneration itself does not create WebP or AVIF files; run Media Library optimization afterward.

Yes. Enable active theme images in Settings. The theme directory must be readable and writable, and the web-server delivery rules must also cover that directory. Development directories such as node_modules, vendor, .git, and .svn are excluded from scanning.

Animated GIF files are detected and skipped so animation is not replaced by a static image. A non-animated GIF can be converted when GIF is selected.