This plugin hasn’t been tested with the latest 3 major releases of WordPress. It may no longer be maintained or supported and may have compatibility issues when used with more recent versions of WordPress.



For everyone getting this warning from W3C validator: “Text run is not in Unicode Normalization Form C.”


Requires PHP 5.3+

Be sure to have the PHP-Normalizer-extension (intl and icu) installed.


See also:


  • Correct transliteration if you enter the word directly
  • Missing transliteration for copy/pasted word from PDF
  • Error message from W3C


  1. Upload the zip file from this plugin on your plugins page or search for Normalizer and install it directly from the repository
  2. Activate the plugin through the ‘Plugins’ menu in WordPress
  3. Done!


I don’t see any changes.

The plugin just adds the normalization if there are problematic characters. Furthermore it does do the normalization before saving, so you don’t see anything. It just works if it is needed.

Will this slow down my site?

Sorry, but I don’t have a clue. Maybe just a little bit.


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Contributors & Developers

“Normalizer” is open source software. The following people have contributed to this plugin.


Translate “Normalizer” into your language.

Interested in development?

Browse the code, check out the SVN repository, or subscribe to the development log by RSS.



  • Initial release