WordPress.org

<p>The WordPress Importer will import the following content from a WordPress export file:</p>
<ul>
<li>Posts, pages and other custom post types</li>
<li>Comments and comment meta</li>
<li>Custom fields and post meta</li>
<li>Categories, tags and terms from custom taxonomies and term meta</li>
<li>Authors</li>
</ul>
<p>For further information and instructions please see the <a href="https://wordpress.org/support/article/importing-content/#wordpress" rel="ugc">documention on Importing Content</a>.</p>
<h3>Filters</h3>
<p>The importer has a couple of filters to allow you to completely enable/block certain features:</p>
<ul>
<li><code>import_allow_create_users</code>: return false if you only want to allow mapping to existing users</li>
<li><code>import_allow_fetch_attachments</code>: return false if you do not wish to allow importing and downloading of attachments</li>
<li><code>import_attachment_size_limit</code>: return an integer value for the maximum file size in bytes to save (default is 0, which is unlimited)</li>
</ul>
<p>There are also a few actions available to hook into:</p>
<ul>
<li><code>import_start</code>: occurs after the export file has been uploaded and author import settings have been chosen</li>
<li><code>import_end</code>: called after the last output from the importer</li>
</ul>


WordPress Importer


Good for the main use cases: restore from backup, and moving posts between blogs. Unfortunately the image import doesn't seem to work (WordPress 6.3 with plugin 0.8.1), which makes it a pain to clean up image-heavy posts.



One thing I'd like to do with this that I can't is to import another copy of a cross-post and merge the comment threads. As it is, the best I can do is import the duplicate copy and then use another plugin (or dig into the database) to move the comments around.


Works well for moving posts between blogs.

Import posts, pages, comments, custom fields, categories, tags and more from a WordPress export file.

Chouby

<h4>Features</h4>
<ul>
<li>Imports languages and WPML options (when the same options exist in Polylang).</li>
<li>Imports posts and terms languages as well as translations (including for custom post types and custom taxonomies).</li>
<li>Imports multilingual nav menus.</li>
<li>Imports strings translations.</li>
<li>Does not delete WPML data.</li>
</ul>
<h4>Important</h4>
<p>Although WPML data should not be corrupted, as Polylang data are created without deleting anything, <strong>make a database backup before proceeding</strong>.</p>
<h4>How to proceed?</h4>
<ul>
<li>De-activate WPML</li>
<li>Activate Polylang or <a href="https://polylang.pro" rel="nofollow ugc">Polylang Pro</a> and WPML to Polylang. Do <strong>not</strong> create any language with Polylang (they will be imported).</li>
<li>Go to Tools -> WPML Importer.</li>
<li>If all checks are passed, then you can click on ‘Import’.</li>
<li>De-activate WPML to Polylang (You can even delete it).</li>
<li>Setup a language switcher either as a widget or in nav menus.</li>
<li>Check that everything is OK.</li>
<li>If something went wrong and you want to revert to WPML, you can delete Polylang using the red link in the Plugins table. To delete all data created for Polylang, Please read <a href="https://polylang.pro/doc/how-to-uninstall-polylang/" rel="nofollow ugc">how</a> <strong>before</strong> deleting Polylang. Finally you can re-activate WPML.</li>
</ul>
<h4>Notes</h4>
<p>This plugin does not include error management. It has however been tested successfully to migrate a site with about 9,000 posts and media.</p>
<h4>Credits</h4>
<p>The banner and icon were designed by <a href="http://www.alexlopez.rocks/" rel="nofollow ugc">Alex Lopez</a></p>


WPML to Polylang

Great!

it saved me some time moving my translated pages to polylang as WPML slows down my site

WordPress Importer vs WPML to Polylang