This plugin hasn’t been tested with the latest 3 major releases of WordPress. It may no longer be maintained or supported and may have compatibility issues when used with more recent versions of WordPress.

RTL Tester


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.


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སྤྱི་ཟླ་གཉིས་པ། 19, 2022
Really easy to use and helpful while testing and improving RTL support!
སྤྱི་ཟླ་བདུན་པ། 3, 2018
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
སྤྱི་ཟླ་བཅུ་གཅིག་པ། 1, 2017
I have tested my website theme with this plugin recently and it’s really worth a try. Thanks for useful plugin.
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Contributors & Developers

“RTL Tester” is open source software. The following people have contributed to this plugin.


“RTL Tester” has been translated into 5 locales. Thank you to the translators for their contributions.

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Interested in development?

Browse the code, check out the SVN repository, or subscribe to the development log by RSS.



  • Updated for compatibility with WordPress 5.4.


  • Change user check to filterable capability, instead of just calling is_super_admin()


  • Make sure we set the direction the wp_styles object if it already exist.
  • Enable header translation (props GaryJones);


Bug fix


Prevent a notice when no direction has been set.


Cleanup, bug fix


Activate RTL/LTR via the admin bar. Settings are per user, for admins only.


No more hooks – sets the text_direction variable on load.
Probably the simplest, yet useful, plugin in the repository 🙂


Initial version.