Salesforce profile un-permissioner. Run the following 2 scripts from the chrome console to get a no-app, no-object, no-tab user

next, run all these to modify the page

//then no conflict
$j = jQuery.noConflict ();

//remove all the apps
$j('input[id^="tabSet_visible___"]').prop('checked', false);

//"override users tabs"
$j('#resetUsersTabs').prop('checked', true);

//remove all the tabs
$j('select[id^="tab___"]').val(0)
  
//remove all the object permissions
$j('input[id^="crud"]').prop('checked', false);

//misc perms
$j('#userPerm___66').prop('checked', false);  //convert leads
$j('#userPerm___29').prop('checked', false);  //edit self-service users
$j('#userPerm___5').prop('checked', false);  //import personal contacts
$j('#userPerm___59').prop('checked', false);  //override forecasts

Salesforce profile un-permissioner

//first, import jquery
	var script=document.createElement('script');
	script.type='text/javascript';
	script.src='https://code.jquery.com/jquery-latest.min.js';
	document.getElementsByTagName('head')[0].appendChild(script);