Description
At a glance
Looking for Highlighting Code Block v2.2.1? It is available here as a free GPL download for WordPress — 10K+ active installs · 4.5/5 rating from 20 reviews · updated July 1, 2026 · requires WordPress 5.6+ & PHP 5.6+.
“Highlighting Code Block” allows you to add a syntax-highlighted code block with just a click.
It supports both “Block Editor” and “Classic Editor”.
(However, we recommend using it in the “Block Editor”.)
Please see the following page for a detailed explanation of this plugin.
URL: https://loos.co.jp/en/documents/highlighting-code-block/
Source code
The source code of this plugin is available on Github.
URL: https://github.com/ddryo/Highlighting-Code-Block
How to use
How to use （For Block Editor）
- Open the “Formatting” category of the Block Inserter.
- There is a custom block named “Highlighing Code Block”.
- Select it, the block will be inserted.
- Select the language of the code and enter any code.
How to use （For Classic Editor）
- You should see a select box labeled “Code Block” on the toolbar (2nd row by default).
- When you select a language from the select box, a code block (pre tag) is inserted.
If it doesn’t work
This plugin works only with PHP version 5.6 or later, WordPress 5.6 or later.
Please check your PHP version or WordPress version.
About settings
The menu “[HCB] Settings” should be added to “Settings” in the left menu of the management screen.
Settings related to this plugin are set in this menu.
Frequently asked questions
What is Highlighting Code Block?
Highlighting Code Block is a free WordPress plugin available under the GPL license. The current version is 2.2.1. It is active on over 10K websites.
Is Highlighting Code Block free to download?
Yes — Highlighting Code Block 2.2.1 is a free GPL download with no hidden fees, no account needed, and no feature locked behind a paywall in this package. Users rate it 4.5 out of 5 based on 20 reviews.
How do I install Highlighting Code Block 2.2.1?
Download the ZIP file from this page, then in your WordPress dashboard go to Plugins → Add New → Upload Plugin, choose the file, click Install Now, then Activate. The plugin works immediately after activation — no license key or extra setup is required for the core features.
What are the requirements for Highlighting Code Block?
Highlighting Code Block 2.2.1 requires WordPress 5.6 or higher and PHP 5.6 or higher. Most modern WordPress hosts already meet these versions. Running older versions may cause features to break, so update WordPress and PHP first if your site is behind.
When was Highlighting Code Block last updated?
Version 2.2.1 was last updated on July 1, 2026. This page is refreshed automatically, so the download here always matches the newest version we have verified.
Is the Highlighting Code Block download safe?
The file is sourced directly from the official WordPress.org repository — the same file the developer published. It is served unmodified, so what you install here is byte-identical to the official release.
Version: 2.2.1
Updated: October 1, 2026
Technical details
| Version | 2.2.1 |
|---|---|
| Last updated | July 1, 2026 |
| Active installs | 10,000+ |
| Rating | ★★★★★ 4.5/5 (20 reviews) |
| Requires WordPress | 5.6 or higher |
| Requires PHP | 5.6 or higher |
| Author | LOOS |
| Tags | code, code-block, gutenberg, highlight, syntax-highlighting |
Demo Highlighting Code Block
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