Chrome //
Extensions 
Chrome
Web store
select chrome_id_no,plugin_tag_line,plugin_name,plugin_icon,sitemap_url,oldvsnew_comment from final_chrome_totaldata_sept2022 where MATCH(plugin_name) AGAINST('+username' IN Boolean MODE) order by users desc
Twitch Username and User ID Translator
Fetch user id of a Twitch username or the username of a Twitch user id.
KnowEm Social Media Username Search
KnowEm allows you to check for the use of your brand, product, personal name or username instantly on over 550 popular and emerging…
Username Generator
Usernamegenerator.me is a free username generator tools website to generate random secure username for signup websites.
Reddit Username Hider
This extension hides your reddit username so that anyone looking over your shoulder can't see it immediately.
Cool Username Generator
Randomly generate millions of unique usernames. Spark creativity, forge new identities, avoid tracking.
Username checker for Instagram
Free service to check if a Instagram username is available. It fast and correct checks to let you know if a nickname is available.