Slimage
by Giorgos Sarigiannidis 0 (0 reviews)

Slimage

A WordPress plugin that uses jpegoptim and optipng to compress images during upload, allowing you to override the compression level and quality on a p …

Slimage ranks #25,536 among WordPress.org plugins with 20+ active installations, is #2,576 of 6,371 in the Media category, and was last updated Nov 5, 2023. Data from WordPress.org, refreshed twice daily — see methodology.

Tested up to WP 6.4.12 (Current: 7.1.2)
v1.0.3 Current Version v1.0.3
Updated 2 years ago Last Update on 05 Nov, 2023
Refreshed 8 hours ago Last Refreshed on
#2,576 of 6,371 in Media Top 50% by installs No update in over a year
View on WordPress.org
Rank
#25,536
+141 this week
Active Installs
20+
-28.6%
KW Avg Position
9
1 worse
Downloads
2.8K
+1 today
Support Resolved
0%
No change
Rating
0%
Review 0 out of 5
0 (0 reviews)

Next Milestone 30

Total Progress 40%
20+ 30+
7,273
Ranks to Climb
-
Growth Needed
8,000,000
Active Installs
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Rank Changes

25,434 25,492 25,550 25,608 25,666 16-09-2026 17-09-2026 18-09-2026 19-09-2026 20-09-2026 21-09-2026 22-09-2026 23-09-2026
25,352 25,438 25,525 25,611 25,697 08-09-2026 09-09-2026 10-09-2026 11-09-2026 12-09-2026 13-09-2026 14-09-2026 15-09-2026 16-09-2026 17-09-2026 18-09-2026 19-09-2026 20-09-2026 21-09-2026 22-09-2026 23-09-2026
Current #25,536
Change
Best #

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Active Installs Growth

Active Installs 0,000,000+
Growth +0.0%
Peak 0,000,000

Downloads Growth

0 10 16-09-2026 17-09-2026 18-09-2026 19-09-2026 20-09-2026 21-09-2026 22-09-2026 23-09-2026
0 10 08-09-2026 09-09-2026 10-09-2026 11-09-2026 12-09-2026 13-09-2026 14-09-2026 15-09-2026 16-09-2026 17-09-2026 18-09-2026 19-09-2026 20-09-2026 21-09-2026 22-09-2026 23-09-2026
Downloads
Growth
Peak

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Reviews & Ratings

0.0
0 reviews
Overall 0%
5
0 (0%)
4
0 (0%)
3
0 (0%)
2
0 (0%)
1
0 (0%)

Frequently Asked Questions

Common questions about Slimage

Yes. After you set your desired compression level on the plugin settings and save your changes, you can use the wp media regenerate command of the amazing WP-CLI to regenerate the thumbnails. If you don't feel comfortable with the command line and prefer to do it with a plugin, Force Regenerate Thumbnails and AJAX Thumbnail Rebuild have been tested and confirmed to play nice with Slimage.
Yes. On each image edit page there is an option called "Override quality" which allows you to set your specific settings for that particular image. After changing your image settings, you still need to regenerate its thumbnails in order to run the compression.
If neither jpegoptim nor optipng exist on your server, then the plugin won't work. It won't break your site, but it will not do anything (except from showing a related warning message on it's settings page). If only one of the tools exists, then it will use it to process the specific type of images only (JPEGs for jpegoptim and PNGs for optipng).
No. The plugin relies on the PHP shell_exec() function which is by default enabled by most hosting companies. If, in your case, it is disabled, you will not be able to use it. Again, this will not break your site.
The default extra arguments should be fine for most cases. If you really want to play around with it, though, there are various additional options for both jpegoptim and optipng.
Yes. But you might need to make some compromise on the quality of your photos. For JPEGs, setting the quality level to 50 or 60 is enough to pass the test on most cases. Depending on the complexity of the image, though, on some cases the quality loss might be visible to the naked eye so you might need to experiment with the level of quality.

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