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('+ban +checker' IN Boolean MODE) order by users desc
Historical U.S. Counties Auto-Checker
While searching Ancestry & FamilySearch, auto-checks county and place, notes boundary changes, shows historical county maps
Port Checker Tool
Is a free online tool to find open ports in your system. You can also test whether port forwarding is working or not.
Download Link Checker
Checks if download URLs and links are still active, displays indicators on them and only for the URLs you customise.
Website SEO Checker
Website SEO Checker - analyze the semantics and on-page SEO of the pages of your site and the site of a competitor.
SEO Checker Plus
Scanning the Tags used in the search engines + robots.txt File. Display Redirect Path and IP Address
Bunken Checker for Gmail
Check Gmail subject and body in one click with Bunken. Pop-up confirmation of recipients and checklists before sending Gmail.
PKW.de Preis-Checker
Finde auf allen großen Autobörsen die besten Gebrauchtwagen-Preise. TÜV-geprüft!
GAS Fee & Link Checker
Display the ETH GAS price now and Save the link as bookmark and alert if clicked on similar spam links
Price Checker: Price Comparison Tool
Use Price Checker to compare the different store prices before you buy and save up to 60%!
WA Number Checker
This is a chrome extension for WhatsApp Web. Using this extension you can easily check if a number has WhatsApp enabled on it.
Hacked Emails checker for GMail
Hacked-Emails.com checker for GMail. Anonymously check if an email sender has ever been compromised in a security breach
Gmail Checker
This extension is for notify incoming new messages of Gmail. And support multiple Gmail account.
GMX Mail Checker
Check gmx.com for unread emails and get badge area counter without the need to enter your credentials (password)
Super Simple Website Checker
Super Simple Website Checker is a sample app that allows you to monitor the uptime, or status, of websites. For each website you…
WProofreader Secure Grammar Checker
Сorrect and improve your messages, docs, and emails with WProofreader secure writing assistant.
WhatsApp Number Checker & Filter & Validator
WhatsApp Phone Numbers Checker & Filter & Validator is a safe tool to filter which numbers have an active WhatsApp or not.
Trooper checker
Toont een balkje bovenaan websites die Trooper ondersteunen, zodat je niet vergeet om naar de site te surfen via de Trooper-pagina
LanrenSMS Forwarder New SMS checker
Auto check and Displays the newest 5 items from the 'new SMS forwarded to the WEB' in a popup.
SellMission - Permission Checker
NOW IS TOTALLY FREE !!! WITHOUT ANY REGISTRATIONS AND ANYTHING ELSE!
SELLMISSION PERMISSION CHECKER
Discovering which product you…
Keyword Index & Rank Checker for Amazon
Keyword rank position & index checking tool designed for Amazon
Link Audit Checker, find invalid content.
This extension validates links, checks HTTP status codes and can search linked content to help you find problems with your website
VAC/Overwatch Ban Checker
Automatically check bans of people you recently played with (or your friends)
Page Speed checker by OptiPic.io
Checking site download speed powered by Google PageSpeed Insights, download statistics and speed-up recommendations by OptiPic.io.