Head-to-head · September 2026
CSS & JavaScript Toolbox vs Simple Custom CSS Plugin
Simple Custom CSS Plugin comes out ahead, winning 4 of 8 head-to-head checks against CSS & JavaScript Toolbox.
CSS & JavaScript Toolbox
Safely add CSS, JavaScript, PHP or HTML to unique code blocks, then choose where it goes on your site.
Simple Custom CSS Plugin
Add Custom CSS to your WordPress site without any hassles. An easy-to-use WordPress Plugin to add custom CSS…
| Metric | CSS & JavaScript Toolbox | Simple Custom CSS Plugin |
|---|---|---|
| Active installs | 10K+ | 100K+ |
| Downloads (30 days) | 3.7K | 7.4K |
| Download trend | -10% | +16.4% |
| Rating | 4.8/5 | 4.7/5 |
| Reviews | 84 | 159 |
| Health score | 84/100 | 51/100 |
| Last updated | 1 month ago | 2 years ago |
| Tested up to | WP 7.0.6 | WP 6.7.9 |
| Support resolved | 100% | — |
| Requires PHP | 7.4.0+ | Any |
| First released | Sep 2011 | Aug 2013 |
Daily downloads, last 90 days
CSS & JavaScript ToolboxSimple Custom CSS Plugin
Choose CSS & JavaScript Toolbox if…
You care most about rating, health score and last updated.
- Proven at scale on 10K+ active sites
- Loved by users — 4.8/5 from 84 reviews
Choose Simple Custom CSS Plugin if…
You care most about active installs, downloads (30 days) and download trend.
- Proven at scale on 100K+ active sites
- Loved by users — 4.7/5 from 159 reviews
- Momentum — downloads up 16.4% vs the previous 30 days
- No update in over a year
- Only tested up to WordPress 6.7 (latest is 7.1)
Both compete in: code
FAQ
CSS & JavaScript Toolbox vs Simple Custom CSS Plugin: quick answers
Straight answers, pulled from live WordPress.org data.
Live data from WordPress.org · checked Sep 27, 2026
Which is better, CSS & JavaScript Toolbox or Simple Custom CSS Plugin?
Simple Custom CSS Plugin comes out ahead, winning 4 of 8 head-to-head checks against CSS & JavaScript Toolbox. Choose CSS & JavaScript Toolbox if you care most about rating, health score and last updated. Choose Simple Custom CSS Plugin if you care most about active installs, downloads (30 days) and download trend.
Is CSS & JavaScript Toolbox more popular than Simple Custom CSS Plugin?
Simple Custom CSS Plugin is the more popular of the two with 100K+ active installs, compared with 10K+ for CSS & JavaScript Toolbox.
Can I use CSS & JavaScript Toolbox and Simple Custom CSS Plugin together?
Both plugins cover code, so most sites only need one. Running two plugins that do the same job can cause conflicts and slow your site down — pick the one that fits best and remove the other.
Are CSS & JavaScript Toolbox and Simple Custom CSS Plugin free?
Yes. Both are free to download from the official WordPress.org plugin directory. Either may also offer paid upgrades from its developer.
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