webtexttools

WebTextTools Character Picker adds a lightweight character picker to Gutenberg so writers can insert common accented and special symbols in one click.
Perfect for adding symbols like €, π, ©, é, and more directly while writing.
Features:
<ul>
<li>One-click insert for HTML entities and special characters</li>
<li>Toolbar button in rich text controls</li>
<li>Searchable character list</li>
<li>Tabs for Accents, Symbols, Currency, and Math</li>
<li>Hover tooltips with character and HTML entity</li>
<li>Optional copy-to-clipboard action</li>
<li>Recently used characters list</li>
<li>Optional subtle footer credit link configurable in Settings</li>
</ul>
No frontend assets are loaded. The plugin only runs in the block editor.

WebTextTools Character Picker

Insert accented and special characters into Gutenberg with a fast, searchable character picker.

mrwweb

For WordPress 5.0+ Block Editor Support, you must install this plugin AND <a href="https://wordpress.org/plugins/insert-special-characters/" rel="ugc">Insert Special Characters plugin</a>.
This plugin makes it possible to insert the Hawaiian kahakō diacritical characters into the WordPress editor using the standard “Character Map” feature.
Full list of characters added to the character map:
<blockquote>
Ā ā Ē ē Ī ī Ō ō Ū ū ʻ
</blockquote>
<a href="https://github.com/mrwweb/hawaiian-characters" rel="nofollow ugc">Contribute on Github</a>
Thanks to <a href="http://kuahawaii.org/" rel="nofollow ugc">Kuaʻāina Ulu ʻAuamo</a> for inspiring this plugin and reviewing it before launch.
<h4>Usage</h4>
In WordPress “Block Editor” (5.0+):
<ol>
<li>Make sure you have installed both this plugin and <a href="https://wordpress.org/plugins/insert-special-characters/" rel="ugc">Insert Special Characters</a> installed.</li>
<li>Open the Special Characters tool
<ul>
<li>OPTION 1: Click the small downward pointing arrow in the formatting tool bar and select “Special Characters” (see second screenshot)</li>
<li>OPTION 2: Press <code>CTRL</code> + <code>o</code> (Windows) or <code>CMD</code> + <code>o</code> (Mac)</li>
</ul>
</li>
<li>Select the character to insert from the popup window. The characters appear first in “Hawaiian” tab. (see third screenshot)</li>
</ol>
In the WordPress “Classic Editor” (pre-5.0) and Block Editor “Classic” block:
<ol>
<li>Click the <code>Ω</code> button in the bottom row of editor buttons.</li>
<li>Select the character to insert from the popup window. (Characters appear at end of map.)</li>
</ol>
<h4>Version Requirements</h4>
This plugin requires WordPress 4.5 or higher.
<h4>Other Plugins by MRWweb</h4>
<ul>
<li><a href="https://wordpress.org/plugins/feature-a-page-widget/" rel="ugc">Feature a Page Widget</a> – Shows a summary of any Page in any sidebar.</li>
<li><a href="https://wordpress.org/plugins/mrw-web-design-simple-tinymce/" rel="ugc">MRW Web Design Simple TinyMCE</a> – Get rid of bad and obscure TinyMCE buttons. Move the rest to a single top row. Comes with a bit of help for adding custom CSS classes too.</li>
<li><a href="https://wordpress.org/plugins/post-status-menu-items/" rel="ugc">Post Status Menu Items</a> – Adds post status links–e.g. “Draft” (7)–to post type admin menus.</li>
<li><a href="https://wordpress.org/plugins/post-type-archive-descriptions/" rel="ugc">Post Type Archive Descriptions</a> – Enables an editable description at the top of a post type archive page.</li>
</ul>

Hawaiian Characters

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

WebTextTools Character Picker vs Hawaiian Characters