ishitaka

Associate images and posts in the media library at once (set “Uploaded to”).
<h4>Supported media files</h4>
<ul>
<li>Images in post content</li>
<li>Featured images</li>
<li>WooCommerce products and product gallery images</li>
<li>Image Field in Advanced Custom Fields plugin</li>
<li>Image Field in Smart Custom Fields plugin</li>
</ul>

Associate Attachment

Associate the media library image with the post.

kaminoweb

Import royalty-free images and photos from Pixabay to your Media Library.
Easily search through millions of high-quality, royalty-free photos, illustrations, vector graphics and videos using keywords.
Preview images, select the ones you love, and import them instantly into your Media Library with just one click.
Say goodbye to manual downloads and uploads.

Pixabay Media Downloader

Import royalty-free images, photos and videos from Pixabay to your Media Library.

Associate Attachment vs Pixabay Media Downloader