This page redirects to an external site: https://developer.wordpress.org/reference/functions/media_upload_tabs/

Run to print screen of screen when you go to media-upload page(click Upload/Insert when editting)!

By default we have 3 tabs:

1. From Computer (tab=type)
2. From URL (tab=type_url)
3. Media Library (tab=library)

Such as when you go this url

1. http://example.com/wp-admin/media-upload.php?post_id=294&type=image&tab=type
2. http://example.com/wp-admin/media-upload.php?post_id=294&type=image&tab=type_url
3. http://example.com/wp-admin/media-upload.php?post_id=294&type=image&tab=library

You can add a custom tab, such as Axcoto Genify http://example.com/wp-admin/media-upload.php?post_id=294&type=image&tab=genify

For more information on how WordPress add manage tab on media upload page

• WordPress.org Code Reference - media_upload_tabs()

Use the above in conjunction with http://codex.wordpress.org/index.php?title=Plugin_API/Filter_Reference/wp_upload_tabs&action=edit&redlink=1 to create custom tab via adding menu element to tabs array

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