diff --git a/README.md b/README.md
index 0076621..f46573c 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ Node wrapper for Trello's HTTP API.
 
 * With these values [visit this other link](https://trello.com/1/connect?key=<PUBLIC_KEY>&name=MyApp&response_type=token) (Replacing, of course &lt;PUBLIC_KEY&gt; for the public key value obtained).
 
-* Authorice MyApp to read the application
+* Authorize MyApp to read the application
 
 * MyApp now have the token.
 
diff --git a/backup.js b/backup.js
new file mode 100644
index 0000000..61ea1fb
--- /dev/null
+++ b/backup.js
@@ -0,0 +1,114 @@
+var Trello = require("./main.js");
+var fs = require('fs');
+
+var trello_backup = function(app_key, oauth_access_token, organization, data_type) {
+    this.organization = organization;
+    this.trello = new Trello(app_key, oauth_access_token);
+    this.data_type = data_type; //json, csv
+}
+
+trello_backup.prototype.backupOrganization = function() {
+    var self = this;
+    this.trello.get("/1/organization/" + this.organization + "/boards/all", function(err, data) {
+        if(err) throw err;
+        for (var i=0; i < data.length; i++) {
+//          self.backupCards(data[i].id, data[i].name);
+            self.backupLists(data[i].id, data[i].name);
+        }
+    });
+}
+
+trello_backup.prototype.backupCards = function(board_id, board_name) {
+    var self = this;
+    this.trello.get('/1/board/' + board_id + '/cards/all', function(err, data) {
+        if(err) throw err;
+        self.writeCards(board_name, data);
+    });
+}
+
+trello_backup.prototype.backupLists = function(board_id, board_name) {
+    var self = this;
+    this.trello.get('/1/board/' + board_id + '/lists/all', function(err, data) {
+        if(err) throw err;
+        self.writeCards(board_name, data);
+    });
+}
+
+trello_backup.prototype.writeCards = function(board_name, data) {
+    var filename = board_name + " - " + new Date().toString()  + "." + this.data_type;
+    console.log('Backing up ' + data.length + ' cards for board "' + board_name + '"');
+
+    var string;
+    if(this.data_type == 'csv') {
+        string = this.createCSV(data);
+    }else {
+        string = JSON.stringify(data);
+    }
+
+    fs.writeFile(filename, string, function(err) {
+        if(err) {
+            console.log(err);
+        } else {
+            console.log("Saved to " + filename);
+        }
+    });
+}
+
+trello_backup.prototype.createCSV = function(data) {
+    var csv = "";
+    //title
+    var list = data[0];
+    for(key in list) {
+			if (key != "cards") {
+				csv += key + ", ";
+			}   
+    }
+		// ensure the card keys are always at the end
+		for(key2 in list.cards[0]) {
+			csv += key2 + ", ";					
+		}
+    csv = csv.substr(0, csv.length-2);
+    csv += '\n';
+
+    //data
+		// builds the list csv piece and then prepends this to every card entry
+    for (var i=0; i < data.length; i++) {
+        var list = data[i];
+				var list_csv = ""
+        for(key in list) {
+					if (key != "cards") {
+            var prop = list[key].toString();
+            prop = prop.replace(/"/g,' '); // remove "
+            prop = prop.replace(/,/g,' '); // remove ,
+            prop = prop.replace(/\n/g, ' '); // remove new lines
+            list_csv += prop + ", ";
+					};
+        };
+
+				// make sure not to add an extra field
+        list_csv = list_csv.substr(0, list_csv.length-2);
+
+				// card data or dump list information if no cards
+				if (list.cards != null) {
+					for (var j=0; j < list.cards.length; j++) {
+						csv += list_csv + ",";
+						var card = list.cards[j]
+						for(key in card) {
+							var prop = card[key].toString();
+							prop = prop.replace(/"/g,' '); // remove "
+							prop = prop.replace(/,/g,' '); // remove ,
+							prop = prop.replace(/\n/g, ' '); // remove new lines
+							csv += prop + ", ";
+						};
+		        csv = csv.substr(0, csv.length-2);
+		        csv += '\n';
+					};      
+				} else {
+					csv += list_csv;
+	        csv += '\n';						
+				};
+    };
+    return csv;
+}
+
+exports = module.exports = trello_backup;
\ No newline at end of file
diff --git a/example_backup.js b/example_backup.js
index 1fd2007..a75dd72 100644
--- a/example_backup.js
+++ b/example_backup.js
@@ -1,28 +1,14 @@
+var TrelloBackup = require("./backup.js");
+
+
+//config
 var app_key = '<app_key>';
 var oauth_access_token = '<oauth_access_token>';
 var organization = '<organization>';
+var data_type = 'csv'; //json, csv
+
+//usage
+var tb = new TrelloBackup(app_key, oauth_access_token, organization, data_type);
+tb.backupOrganization();
 
-var fs = require('fs');
-var Trello = require("./main.js");
-var t = new Trello(app_key, oauth_access_token);
 
-t.get("/1/organization/" + organization + "/boards/all", function(err, data) {
-  if(err) throw err;
-  for(board in data) {
-      var board_id = data[board].id;
-      var board_name = data[board].name;
-      t.api('/1/board/' + board_id + '/cards/all', function(err, data) {
-          if(err) throw err;
-          var filename = board_name + " - " + new Date().toString()  + ".json";
-          console.log('Backing up ' + data.length + ' cards for board "' + board_name);
-          
-          fs.writeFile(filename, JSON.stringify(data), function(err) {
-              if(err) {
-                  console.log(err);
-              } else {
-                  console.log("Saved to " + filename);
-              }
-          });
-      });
-  }
-});