Mark Jaquith

<p>Redirect Old Slugs allows you to change your post slugs without breaking your permalinks.  People requesting the old link will be redirected to the new link.  This all happens automatically.</p>
<p>Note that this functionality was brought into WordPress core for version 2.1, so this plugin is not needed.  When you upgrade to WordPress version 2.1 or higher, your old slugs will be kept and will keep on being redirected without the need for this plugin.</p>


Redirect Old Slugs

Allows you to change your post slugs without breaking your permalinks.

Dimitris Mavroudis

<p>AutoConvert Greeklish Permalinks converts greek characters to latin in all permalinks. The plugin makes sure that every new permalink is in greeklish and offers the option to convert all the old links with greek characters to latin.</p>
<h3>Features</h3>
<ul>
<li>Convert automaticly the permalink of every new post and term.</li>
<li>Convert all your older posts and terms with a click of a button.</li>
<li>Choose how dipthongs are converted. </li>
<li>Developed to be friendly to developers with WP-CLI support and filter to modify the converion.</li>
</ul>


AutoConvert Greeklish Permalinks

Thank you for sharing this plugin. It works very nice both using the classic WordPress Dashboard as well with the Rest API.

Very good plugin.

I was ready to "reinvent the wheel" but just then i found this plugin

Does exactly what it says

Convert Greek characters to Latin on all your site's permalinks instantly.

Redirect Old Slugs vs AutoConvert Greeklish Permalinks