Is io Code Highlight free?

Yes, io Code Highlight is free to use. It is available as a free plugin on WordPress.org.

How many websites use io Code Highlight?

io Code Highlight has 100 active installations as tracked by WordPress.org.

What are the best io Code Highlight alternatives?

Popular alternatives to io Code Highlight include WPCode – Insert Headers and Footers +…, Code Snippets, Simple Custom CSS Plugin. You can compare them side-by-side on our comparison pages.

Does io Code Highlight work with the latest WordPress?

io Code Highlight has been tested up to WordPress 6.0.11. It requires WordPress 5.6+ and PHP 7.2+.

io Code Highlight — Reviews, Rating & Alternatives (2026)

Name: io Code Highlight
Author: owen0o0

As of April 2026, io Code Highlight is a WordPress code plugin with 100 active installations and a 0/5 rating0. It has been downloaded 3.4K+ times in total. Requires WordPress 5.6+ and PHP 7.2+. Available on WordPress.org since 2022. Last updated 3 years ago — may have compatibility concerns. Top alternative: WPCode – Insert Headers and Footers +….