Michael Tumlad

Counts the title, content, and excerpt characters while you edit your post or page via the admin screen. Even counts the title characters while in Quick Edit!
Decon(structed) Character Counter is a real-time character counter
<ul>
<li>for title (post or page)</li>
<li>for content (post or page)</li>
<li>for excerpt (post or page)</li>
<li>for biographical info (user)</li>
<li>for Quick Edit title (post or page)</li>
</ul>
Works out of the box and seamlessly integrates with your WordPress admin dashboard so you can focus on writing.
Also comes with a real-time SEO-friendly reminder, just in case.

Decon Character Counter

Counts the title, content, and excerpt characters while you edit your post or page (even in Quick Edit).

Sirius Pro

Simply Remove Special Characters from WordPress attachments, slugs and permalinks. This plugin allows you to remove all special characters from WordPress attachments without modifying the code and it works with most of the available themes. Just install and activate this plugin to remove special characters from post and pages in WordPress.
Read more about this plugin on <a href="https://siriuspro.pl" rel="nofollow ugc">WordPress</a> blog.

Special Characters Remove

Simply Remove Special Characters from WordPress attachments, slugs and permalinks.

Decon Character Counter vs Special Characters Remove