The newsletter popup after so many seconds, is it a WordPress plugin? I’m looking for something similar or maybe it’s in MailChimp.
Its correct definition is called an interstitial ad, but no one knows that. Was hard enough finding what this type of ad was called in the first place through Google.
Found your site for the CSV file chopper that cuts huge (in my case 105 thousand lines) CSV files into smaller ones, will be using this shortly :)