Get Active Features In A Site Collection

Create a ps1 extension file in a path in your local desktop. Change the highlighted part with your Site Collection.

Get - SPsite http: //hvsp01:10641 | %
{
    $results = @()
Get - SPFeature - Limit All | %
  {
    $feature = $_;
    $featuresDefn = (Get - SPFarm).FeatureDefinitions[$_.ID];
    $cc = [System.Globalization.CultureInfo]::CurrentCulture;
    $obj = New - Object PSObject;
    $obj | Add - Member NoteProperty Title $($featuresDefn.GetTitle($cc));
    $obj | Add - Member NoteProperty ID $($feature.ID);
    $obj | Add - Member NoteProperty Scope $($feature.Scope);
    $obj | Add - Member NoteProperty Hidden $($feature.Hidden);
    $obj | Add - Member NoteProperty Description $($featuresDefn.GetDescription($cc));
    $results += $obj;
}#
$results | FT - auto;
$results | Out - GridView;
}

Open Management Shell as an administrator.

Run PS script, using the path along with the file shown below.

Here, the required output is given below.