Automattic

Yoav Farhi

This plugin adds a button to the admin bar that allow admins to switch the text direction of the site. It can be used to test WordPress themes and plugins with Right To Left (RTL) text direction.

RTL Tester

Great simple plugin that helps tremendously! Pairs great with RTL Tester Mirror plugin too :)



Great help!

Does what it says and makes it easy to test rtl support.

Great for plugin development

when a plugin does what you expect it should do and you spend a lot less time thanks to it, for me that plugin is great, and this is the case. A perfect plugin for developers

perfect

Really easy to use and helpful while testing and improving RTL support!

Excellent plugin!

Test your themes and plugins in RTL mode.

Farhad Sakhaei

DediData

ParsMizban

Easily make your themes compatible with right-to-left languages (RTL) and activate suitable fonts for them. 
This plugin makes WordPress themes compatible for Persian, Arabic and Hebrew languages, and sets a suitable font for them. 
Please note that your theme must support RTL (Right-to-Left). 
By using this plugin, you can freely download and install various WordPress themes and automatically make them compatible with RTL and languages such as Persian, Arabic, and Hebrew. 
Some of them include: 
WordPress E-Shop Theme 
WordPress E-Commerce Theme 
WordPress News Theme 
WordPress Corporate Theme 
WordPress One-Page Theme
<h4>Specifications</h4>
<ul>
<li>Optimization and localization for RTL of the main site (Front-End)</li>
<li>Adding proper font to the main site (Front-End)</li>
<li>Optimization and localization of the administration for RTL (Dashboard | Back-End)</li>
<li>Adding proper font to the administration for RTL (Dashboard | Back-End)</li>
<li>Optimization of the administration editor</li>
<li>Adding a proper font to the administration editor</li>
</ul>
Validated by: 
https://wpreadme.com 
https://wordpress.org/plugins/developers/readme-validator

RTL Tester vs RTL Localization & Fonts