TypeAnySymbol – Unicode Symbol Picker

This plugin cleans uploaded file names to remove special characters and spaces.

This plugin will help when you add images with special characters, after activated it will remove all special characters of new images added.

Adds the correct characters with diacriticals to the WordPress editor Special Characters feature for Hawaiian

Password Generator is a plugin which adds a widget to WordPress which generates various length random passwords (with or without special characters).

A plugin that will help you remove special characters from the name of your files.

A Special Character inserter for the WordPress block editor (Gutenberg).