Bookmarklet removes all files from filepicker.io page.

filepicker_remover.js

(function(){
  'use strict';
  
    var REMOVE_URL = '/apps/' + server_vars.apikey + '/console/remove/',
        Files = $('tr.filelink');
        
    for(var i = 0; i < Files.length; i++){
        $.ajax({
            url: REMOVE_URL,
            data: {'handle': $(Files[i]).data('handle')},
            type: 'POST',
            success: function() {
            },
            error: function(a, b, c) {
                console.log('Error deleting file, please try again. If the issue persists, please contact support@filepicker.io and we\'ll get right on it.');
                }}); 
        
        Files[i].remove();
    }
})()

filepicker_remover.min.js

javascript:(function(){var b="/apps/"+server_vars.apikey+"/console/remove/",f=$("tr.filelink");for(var a=0;a<f.length;a++)$.ajax({url:b,data:{handle:$(f[a]).data("handle")},type:"POST",success:function(){},error:function(){console.log("Error deleting file, please try again. If the issue persists, please contact support@filepicker.io and we'll get right on it.")}}),f[a].remove()})();