David Jetelina

Hopefighter

Shortcode to flag is an easy plugin, that will allow you to insert flags with shortcodes. For example, US will change to an American flag that won’t break your formatting. The height of the flags is 40pixels.
<h3>Usage</h3>
Put <a href="http://en.wikipedia.org/wiki/ISO_3166-1_alpha-2" rel="nofollow ugc">country code</a> (in capital letters) to shortcode to display desired flag.
e.g. [US]
<h3>Edits</h3>
If you want to change height of the flags, do so in file flagstyle.css

Shortcode to flag

Shortcode to flag is an easy plugin, that will allow you to insert flags with shortcodes.

Freemius

codingfix

IMPORTANT: READ BEFORE INSTALLING 
Language Switcher for Transposh (LSfT) is not a translation engine. It is an advanced styling and integration tool that provides a beautiful, customizable interface for the <a href="https://transposh.org/download" rel="nofollow ugc">Transposh Translation Filter plugin</a>.
LSfT REQUIRES TRANSPOSH TO WORK. It will not translate your content on its own and cannot be activated unless Transposh is already installed and active.
How to get started: 
1. First: Download, install, and activate <a href="https://transposh.org/download" rel="nofollow ugc">Transposh Translation Filter</a>. Configure your languages in the Transposh settings. 
2. Second: Install and activate Language Switcher for Transposh. You can now choose how to display your flags and language names.
Main Features: 
* Integrated CSS Editor (New in 2.0): Customize the switcher’s appearance directly from the admin panel with a professional code editor (CodeMirror). 
* Safe Customization: Experiment with confidence! If something goes wrong with your custom styles, you can always restore the original plugin stylesheet with a single click. 
* Fast & Smart Loading: Your custom styles are saved in the database for maximum performance, while keeping the original files untouched as a secure backup. 
* Flexbox Powered: Modernized layout for perfect vertical and horizontal alignment in any theme. 
* Automode: Automatically inject the switcher into your primary or selected WordPress menu. 
* Shortcodes & Widgets: Full support for Shortcodes and Legacy Widgets, compatible with Classic and Block-based themes. 
* Admin Tools: Adds an “Edit Translation” button for authorized roles (Admin, Author, Editor) to quickly toggle the Transposh Editor.
<h3>Switcher Types</h3>
The version 2.0.0 provides 10 distinct switcher styles: 
1. Horizontal: Flags only or Code only. 
2. Vertical: Flags only ir Code only. 
3. Dropdown (Custom JS): Flags only, Text only, Code only or Flags and Text. 
4. Native Select: Lightweight browser-native dropdown: Code only or Text only.

Language Switcher for Transposh

Verry good tools if you use Transposh for translate your website.

a nice tool if you use Transposh

A professional, highly customizable language switcher for Transposh. Requires Transposh Translation Filter plugin to be installed.

Shortcode to flag vs Language Switcher for Transposh