PluginSift

Firelight Lightbox vs Kashii Client‑Side Image Compressor (2026)

Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.

Firelight Lightbox

Firelight Lightbox

4.8(331)

200K+ active installs

Free + Premium

Updated 3 weeks ago
View Firelight Lightbox
VS
Kashii Client‑Side Image Compressor

Kashii Client‑Side Image Compressor

0(0)

0 active installs

Free

Updated 4 months ago
View Kashii Client‑Side Image Compressor

Quick Verdict

As of April 2026, Firelight Lightbox has a higher user rating (4.8/5 from 331 reviews) and leads in active installations (200K+ vs 0). Both are free + premium WordPress plugins. Firelight Lightbox has accumulated 7.6M+ total downloads while Kashii Client‑Side Image Compressor has 144.

Detailed Comparison

Rating
4.8/5Firelight Lightbox
◄
Kashii Client‑Side Image CompressorN/A
Total Reviews
331Firelight Lightbox
◄
Kashii Client‑Side Image Compressor0
Active Installs
200K+Firelight Lightbox
◄
Kashii Client‑Side Image Compressor0
Total Downloads
7.6M+Firelight Lightbox
◄
Kashii Client‑Side Image Compressor144
Support Resolution
43%Firelight Lightbox
Kashii Client‑Side Image CompressorN/A
Last Updated
3 weeks agoFirelight Lightbox
◄
Kashii Client‑Side Image Compressor4 months ago
First Released
2010Firelight Lightbox
Kashii Client‑Side Image Compressor2025
Age
16 yearsFirelight Lightbox
Kashii Client‑Side Image Compressor1 year
WP Requires
5.0+Firelight Lightbox
Kashii Client‑Side Image Compressor5.0+
PHP Requires
7.0+Firelight Lightbox
Kashii Client‑Side Image Compressor7.4+
Business Model
Free + PremiumFirelight Lightbox
Kashii Client‑Side Image CompressorFree
Latest Version
2.3.19Firelight Lightbox
Kashii Client‑Side Image Compressor1.0.0

Rating Breakdown

Firelight Lightbox

4.8/5(331 reviews)
5
90%
4
5%
3
2%
2
0%
1
3%

Kashii Client‑Side Image Compressor

0/5(0 reviews)
5
0%
4
0%
3
0%
2
0%
1
0%

Recent Reviews

Firelight Lightbox Reviews

by rugger86

Very good

Recommend

by FinnDorian

Doesn’t work with sunshine photo cart

I’m using the gallery Plugin “sunshine photo cart” and it does not convert image links into a lightbox gallery. I am sick of using/adjusting 5 different lightbox plugins, because every gallery uses it

by Andreas Lanz

Increases the value of a photo blog

The plugin works perfect and with a beautiful, but discreet animation. I’d prefer having the possibility to force the browser via the settings to show the images in their original size if they are

Kashii Client‑Side Image Compressor Reviews

No reviews yet

Frequently Asked Questions

Is Firelight Lightbox or Kashii Client‑Side Image Compressor more popular?
Firelight Lightbox has 200K+ active installations while Kashii Client‑Side Image Compressor has 0. Firelight Lightbox is the more widely-used plugin as of April 2026.
Which has better ratings — Firelight Lightbox or Kashii Client‑Side Image Compressor?
Firelight Lightbox has a 4.8/5 rating from 331 reviews, while Kashii Client‑Side Image Compressor has a 0/5 rating from 0 reviews.
Are Firelight Lightbox and Kashii Client‑Side Image Compressor free?
Firelight Lightbox is free + premium and Kashii Client‑Side Image Compressor is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — Firelight Lightbox or Kashii Client‑Side Image Compressor?
Support resolution data is not available for all plugins. Check each plugin's WordPress.org support forum for current response quality.
Which plugin is updated more frequently?
Firelight Lightbox was last updated 3 weeks ago and Kashii Client‑Side Image Compressor was last updated 4 months ago.

Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.