mschertel

The “Shockingly Simple Favicon” changes the favicon of your blog without having to edit the theme files, and put a WordPress icon in the admin interface, so you can easily spot the admin tab in your browser.
This changes are fixed so you dont have to mess with theme code everytime you change theme.
See the new <a href="http://www.incerteza.org/blog/projetos/shockingly-simple-favicon/" title="Shockingly Simple Favicon" rel="nofollow ugc">Shockingly Simple Favicon homepage</a> for further information.
Thanks for everyones suggestions!
Localizations
<ul>
<li>Russian (be_BY) by <a href="http://www.fatcow.com/" title="Fat Cow" rel="nofollow ugc">Fat Cow</a></li>
</ul>
<h3>Localization</h3>
If you want to help localizing this plugin to your language, read this <a href="https://codex.wordpress.org/Translating_WordPress" title="Translating WordPress" rel="nofollow ugc">article</a> at WordPress Codex, any help will be welcomed!!!
<h3>Author</h3>
matias s. owner of the <a href="http://www.incerteza.org/blog/" title="F.U.D." rel="nofollow ugc">uncertain</a> blog

Shockingly Simple Favicon

A simple way to put a favicon on your site. With out messing with theme code or having to change it every time you change theme.

Harish Chouhan

Themeist Co

Custom Favicon lets you upload and manage favicons for your WordPress website, admin area, and login screen using the native media uploader. Unlike the built-in Site Icon feature, this plugin gives you full control — including support for separate frontend and backend icons, Apple touch icons, dark mode icons, and SVG format.
Features include: 
– Upload custom favicon for frontend (browser tab icon) 
– Upload separate favicon for WordPress Dashboard and login page 
– Upload Apple touch icons for iOS devices 
– Upload dark mode specific favicon 
– SVG favicon support 
– Option to disable default WordPress Site Icon output 
– Clean and simple settings page under Settings → Custom Favicon
This plugin is useful for: 
– Replacing the default WordPress favicon 
– Branding the WordPress dashboard for clients 
– Adding modern favicon features with minimal setup
Official plugin page: <a href="https://themeist.com/plugins/wordpress/custom-favicon/" rel="nofollow ugc">Custom Favicon on Themeist</a>
Need help? Ask in the <a href="https://wordpress.org/support/plugin/custom-favicon/" rel="ugc">Support Forum on WordPress.org</a>

Custom Favicon – Easily Add a Favicon in WordPress

works fine, thanks

Easily add a custom favicon and Apple touch icon to your WordPress site, including support for dark mode, SVG icons, and admin dashboard branding.

Shockingly Simple Favicon vs Custom Favicon – Easily Add a Favicon in WordPress