To start, you'll need to download and install the Pixelscan Bulk checker on your Firefox browser:
Please note that, for now, this feature is only available for Firefox
After installation, you can get the proxies from your Proxy Setup page and paste them into the Pixelscan extension.
Please note that you can only check 50 proxies at once, and only the HTTP protocol.
After pasting, select the Check Proxies button:
You'll get your proxy's IPs and quality score according to Pixelscan. You can also copy the proxy with the results that you like the most to use it further:



