dc=tools
Large integers such as lastLogonTimestamp count 100-nanosecond ticks since 1601, and whenCreated is GeneralizedTime. Paste either to read it, or pick a date to get a filter. Everything runs in your browser, so nothing you paste leaves your machine. The page's Content-Security-Policy also stops it from sending anything, which you can check in its source.
Paste a large integer such as lastLogonTimestamp, pwdLastSet or maxPwdAge, an ADSI HighPart and LowPart separated by a comma, or a GeneralizedTime value such as whenCreated. Large integers count 100-nanosecond ticks since 1 January 1601 UTC.