my $mech = WWW::Mechanize::Firefox->new(launch => 'C:\Program Files (x86)\Mozilla Firefox\firefox.exe', autoclose => 0, autodie => 1 ); $mech->get('https://example.com'); my $jar = $mech->cookies(); print Dumper($jar); #### 'COOKIES' => { 'example.com' => { '/' => { 'NSC_fqg-qspe_443' => [ 1, 'ffffffff3b08dc1e45525d5f4f58455e445a4a4212d3', undef, undef, bless( do{\(my $o = 1)}, 'JSON::PP::Boolean' ), 1373308908 ], 'JSESSIONID' => [ 1, '8430caba0ba26ecea900783b4f4b15378246', undef, undef, $VAR1->{'COOKIES'}{'search.cpan.org'}{'/'}{'css'}[4], 1373308908 ]