by SlashImage 1 (1 reviews)

SlashImage - Image Optimizer: Compress Images, Convert WebP & AVIF

Name: SlashImage - Image Optimizer: Compress Images, Convert WebP & AVIF
Rating: 1.0 (1 reviews)
Author: SlashImage

Automatically compress every image and serve WebP and AVIF to every visitor. Small files, the quality you choose, zero manual work.

SlashImage ranks #16,915 among WordPress.org plugins with 1+ active installations, a 1/5 rating from 1 reviews, and was last updated Jul 6, 2026. Data from WordPress.org, refreshed twice daily — see methodology.

Tested up to WP 7 (Current: 7.1.2)

v1.0.0 Current Version v1.0.0

Updated 2 months ago Last Update on 06 Jul, 2026

Refreshed 8 hours ago Last Refreshed on

Downloads -60.4% this week

View on WordPress.org

Rank

#16,915

+19 this week

Active Installs

-85.7%

KW Avg Position

147

— No change

Downloads

821

+5 today

Support Resolved

— No change

Rating

20%

Review 1 out of 5

1 (1 reviews)

Next Milestone 10

Total Progress 80%

0+ 10+

16,215

Ranks to Climb

Growth Needed

8,000,000

Active Installs

Pro

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Rank Changes

Current #16,915

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Active Installs Growth

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Active Installs 0,000,000+

Growth +0.0%

Peak 0,000,000

Downloads Growth

Downloads

Growth

Peak

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Reviews & Ratings

1.0

1 reviews

Overall 20%

1 (100%)

0 (0%)

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Plugin Details

Version: 1.0.0
Last Updated: Jul 06, 2026
Requires WP: 6.5+
Tested Up To: 7
PHP Version: 7.4 or higher
Author: SlashImage

Support & Rating

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

Keywords

AVIF compress images image optimization optimize images webp

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Frequently Asked Questions

Common questions about SlashImage - Image Optimizer: Compress Images, Convert WebP & AVIF

The free plan optimizes 200 images each month at no cost. The plugin itself stays fully functional regardless of how many images you have optimized.

When you upload an image, SlashImage sends it to our optimization servers, optimizes it, generates WebP and AVIF versions, and saves the results back to your site. All the heavy lifting happens on our servers, so your hosting is never slowed down.

Images are sent to the SlashImage API for compression, the optimized version is returned and saved to your server, and the original is deleted from our servers immediately after processing.

No. Images are queued and compressed in the background, so your upload returns immediately. The optimized version replaces the original within minutes.

Yes. Go to Media to Bulk Optimize and click Start. SlashImage processes your existing Media Library in the background.

Yes. SlashImage backs up every original before making changes. Restore any image from the Media Library or the attachment edit screen.

Yes. Your optimized images are saved directly on your site and stay exactly as they are. The WebP and AVIF versions remain on disk too. Deactivating the plugin simply stops new images from being optimized.

Yes. Pick from three modes in the settings: Lossy for the smallest files, Glossy for high-fidelity photography, and Lossless for pixel-perfect originals. You can change the mode at any time, and re-optimize individual images in a different mode from the Media Library.

No. Your filenames, ALT text, captions, and all other media details are left completely untouched. Only the image file itself is optimized.

Yes. SlashImage works alongside caching plugins and CDNs, including Cloudflare, right out of the box. Because optimized images are saved over the same file path, you may occasionally want to purge your cache so visitors see the newest version, and SlashImage reminds you when that is worth doing.

SlashImage - Image Optimizer: Compress Images, Convert WebP & AVIF

Next Milestone 10

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Keywords

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