Perfect Images: Regenerate Thumbnails… vs Nish Image Optimizer (2026)

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

Perfect Images: Regenerate Thumbnails…

Perfect Images: Regenerate Thumbnails…

4.8(278)

60K+ active installs

Free

Updated 3 weeks ago
View Perfect Images: Regenerate Thumbnails…
VS
Nish Image Optimizer

Nish Image Optimizer

5(1)

0 active installs

Free

Updated 6 months ago
View Nish Image Optimizer

Quick Verdict

As of April 2026, Nish Image Optimizer has a higher user rating (5/5 from 1 reviews) while Perfect Images: Regenerate Thumbnails… leads in active installations (60K+ vs 0). Both are free WordPress plugins. Perfect Images: Regenerate Thumbnails… has accumulated 5.9M+ total downloads while Nish Image Optimizer has 235.

Detailed Comparison

Rating
4.8/5Perfect Images: Regenerate Thumbnails…
Nish Image Optimizer5/5
Total Reviews
278Perfect Images: Regenerate Thumbnails…
Nish Image Optimizer1
Active Installs
60K+Perfect Images: Regenerate Thumbnails…
Nish Image Optimizer0
Total Downloads
5.9M+Perfect Images: Regenerate Thumbnails…
Nish Image Optimizer235
Support Resolution
0%Perfect Images: Regenerate Thumbnails…
Nish Image OptimizerN/A
Last Updated
3 weeks agoPerfect Images: Regenerate Thumbnails…
Nish Image Optimizer6 months ago
First Released
2012Perfect Images: Regenerate Thumbnails…
Nish Image Optimizer2025
Age
14 yearsPerfect Images: Regenerate Thumbnails…
Nish Image Optimizer1 year
WP Requires
6.0+Perfect Images: Regenerate Thumbnails…
Nish Image Optimizer5.6+
PHP Requires
7.4+Perfect Images: Regenerate Thumbnails…
Nish Image Optimizer7.4+
Business Model
FreePerfect Images: Regenerate Thumbnails…
Nish Image OptimizerFree
Latest Version
7.1.4Perfect Images: Regenerate Thumbnails…
Nish Image Optimizer1.0.2

Rating Breakdown

Perfect Images: Regenerate Thumbnails…

4.8/5(278 reviews)
5
91%
4
4%
3
1%
2
1%
1
3%

Nish Image Optimizer

5/5(1 reviews)
5
100%
4
0%
3
0%
2
0%
1
0%

Recent Reviews

Perfect Images: Regenerate Thumbnails… Reviews

by Walter Viana

Professional plugin!

When it comes to obtaining lightweight, professional-quality images, this plugin is the perfect choice. Fidelity boils down to delivering the real image in Webp and Avif format without introducing ele

by FinnSommer

A solid, lightweight and deeply useful image-management plugin

I can confidently recommend Perfect Images — it’s the kind of plugin that should really be part of WordPress core: lightweight, sensible, and gives developers and site-owners real control over their m

by dillhausen

Very useful, although some improvements required

I evaluated Perfect Images (free version) as a replacement for plugin Regenerate Thumbnails (whose author sadly passed away and thus the plugin is not maintained any longer, although it still works).

Nish Image Optimizer Reviews

No reviews yet

Frequently Asked Questions

Is Perfect Images: Regenerate Thumbnails… or Nish Image Optimizer more popular?
Perfect Images: Regenerate Thumbnails… has 60K+ active installations while Nish Image Optimizer has 0. Perfect Images: Regenerate Thumbnails… is the more widely-used plugin as of April 2026.
Which has better ratings — Perfect Images: Regenerate Thumbnails… or Nish Image Optimizer?
Perfect Images: Regenerate Thumbnails… has a 4.8/5 rating from 278 reviews, while Nish Image Optimizer has a 5/5 rating from 1 reviews.
Are Perfect Images: Regenerate Thumbnails… and Nish Image Optimizer free?
Perfect Images: Regenerate Thumbnails… is free and Nish Image Optimizer is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — Perfect Images: Regenerate Thumbnails… or Nish Image Optimizer?
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?
Perfect Images: Regenerate Thumbnails… was last updated 3 weeks ago and Nish Image Optimizer was last updated 6 months ago.

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