Preserve Code Formatting
Preserve formatting of code for display by preventing its modification by WordPress and other plugins while also retaining whitespace.
4.7(3 reviews)
·400 active installs·Updated 7 months agoAs of April 2026, Preserve Code Formatting is a WordPress code plugin with 400 active installations and a 4.7/5 rating from 3 reviews. It has been downloaded 49K+ times in total. Requires WordPress 5.5+ and PHP false+. Available on WordPress.org since 2005. Top alternative: WPCode – Insert Headers and Footers +….
4.7/53 reviews
400active installs
49K+total downloads
21 yearssince 2005
Overview
This plugin preserves formatting of code for display by preventing its modification by WordPress and other plugins while also retaining whitespace.
NOTE: This plugin does NOT handle posts containing blocks. For such posts, use the built-in code or preformatted blocks to format your code for display. However, this plugin would still be needed if you have text-based posts from before using the blocks-based editor.
NOTE: Use of the visual text editor will pose problems as it can mangle your intent in terms of code tags. I strongly suggest you not use the visual editor in conjunction with this plugin as I have taken no effort to make the two compatible.
Notes:
Basically, you can just paste code into code, pre, and/or other tags you additionally specify and this plugin will:
- Prevent WordPress…
Screenshots
Ratings & Reviews
4.73 reviews
5 ★
2
4 ★
1
3 ★
0
2 ★
0
1 ★
0
Compatibility
| WordPress | 5.5+ requiredTested up to 6.8.5 |
| PHP | false+ required |
Top Alternatives to Preserve Code Formatting
Frequently Asked Questions
Changelog
5.0 (2025-08-10)
Highlights:
This major release significantly improves security, performance, and compatibility. The plugin framework updates to version 070 for enhanced security and features. Block editor content is now properly excluded (the plugin was designed for text view), and compatibility extends through WordPress 6.8+ while dropping support for versions older than 5.5. Additional improvements include better error handling, enhanced documentation, and the addition of CSS classes for styling processed code blocks.
Details:
- Security and hardening:
- Hardening: Prevent regex pattern injection vulnerability
- Hardening: Prevent object injection vulnerability. Props Patchstack.
- Hardening: Prevent bypassing preprocessor by removing any explicit pseudo-tags from content
- Hardening: Prevent processing of excessively large content
…and 29 more changes
Contributors
Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.