Jared Harbour

Ever want to change the url used to display your posts? This plugin 
allows a blog administrator to change a users url slug from their edit profile page.
The plugin allows for the creation of new author slugs, but also saves old slugs a user has used in the past.

Plugin Name:       Modify Author URL

Allows administrators to modify a users author url from their profile page.

shawfactor

Apply decisions not options to having better slugs for SEO
Like this plugin? Please consider <a href="https://wordpress.org/support/view/plugin-reviews/lh-better-slugs/" rel="ugc">leaving a 5-star review</a>.
Love this plugin or want to help the LocalHero Project? Please consider <a href="https://lhero.org/portfolio/lh-better-slugs/" rel="nofollow ugc">making a donation</a>.

LH Better Slugs

Improve your post and page slugs by removing too short unhelpful stopwords automatically.

Plugin Name: Modify Author URL vs LH Better Slugs