Plum Code Box
Plum Code Box makes it easy to insert and manage code blocks using the Chili javascript syntax highlighter.
Consider an alternative
Plum Code Box shows warning signs in 2026 — compare the alternatives below before installing. It runs on 10+ sites and was last updated 15 years ago, and scores 23/100 on our health check.
- Small user base (10+ active installs)
- Very few reviews so far
- No update in 15 years
- Only tested up to WordPress 3.1 (latest is 7.1)
How does it stack up?
Side-by-side on installs, updates, ratings & support
Daily downloads
Download spikes usually follow a new release — each site that auto-updates counts as a download.
Rankings
Where Plum Code Box stands todayWordPress.org search rankings
Live position in the plugin search, top 100| Keyword | Position |
|---|---|
| code block | >100 |
| coding | >100 |
| html | >100 |
| php | >100 |
| programming | >100 |
Version adoption
Share of active sites per release.
About Plum Code Box
From the official readme · v1.1Description
Do you ever have a really hard getting your code formatted correctly in a post? Or do you ever have issues preserving tabs?
Plum Code Box makes it easy to insert and manage code blocks using the Chili javascript syntax highlighter. The plugin adds option boxes to post and page
editors. There are also other WordPress Plugins available from Code Plum.
Twitter: @codeplum
Website: http://codeplum.com
Donations
You may make donations at http://www.codeplum.com
Installation
- Upload plugin directory to the “/wp-content/plugins/” directory on your web server.
- Activate the plugin through the “Plugins” menu in WordPress
- Use the box at the bottom of posts and pages to insert code.
Changelog
This is the first version of this plugin.
1.0
The initial version of the plugin is ready for the masses.
1.1
-Increased the overall efficiency of the code and database storage.
-Removed inline styles and added a style class for the main code box on the front end.
Screenshots
For developers
Is this your plugin? Show off the numbers.
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Best Plum Code Box alternatives
All code block plugins →
FAQ
Plum Code Box: quick answers
Straight answers, pulled from live WordPress.org data.
Live data from WordPress.org · checked Sep 28, 2026
Is Plum Code Box free?
Yes. Plum Code Box is free to download and use from the official WordPress.org plugin directory.
Is Plum Code Box safe to use in 2026?
Plum Code Box shows warning signs in 2026 — compare the alternatives below before installing. It runs on 10+ sites and was last updated 15 years ago, and scores 23/100 on our health check.
How many websites use Plum Code Box?
Plum Code Box is active on 10+ WordPress websites and has been downloaded 4,694 times since it launched in April 2011. It was downloaded 75 times in the last 30 days.
Does Plum Code Box work with WordPress 7.1?
Plum Code Box is officially tested up to WordPress 3.1.4, while the latest release is 7.1.2. It may still work, but try it on a staging site first.
When was Plum Code Box last updated?
The latest version, 1.1, was released on April 25, 2011 (15 years ago).
Who makes Plum Code Box?
Plum Code Box is developed and maintained by jtgraphic.
What are the best alternatives to Plum Code Box?
The most popular alternatives to Plum Code Box are Highlighting Code Block (10K+ installs), Code Block (200+ installs) and Code Block Copy Button (90+ installs).
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