This plugin will automatically 301 redirect your old 'postname' format permalinks so you don't lose your precious SEO.
Add Product SKU value in woocommerce products url
Helps you craft amazing post URL slugs, for that hand-crafted URL feel.
Use SEO Permalinks Modifier to remove common words like 'a', 'the', 'to', 'what' from post permalink to improv
WP Slug Translate can translate the post slug into English. It will take the post ID as slug when translation failure.