diff --git a/lib/har.js b/lib/har.js
index 8a94575..95e3b6f 100644
--- a/lib/har.js
+++ b/lib/har.js
@@ -9,11 +9,16 @@ var HARObject = function() {
     this.data = {};
     this.entryIndex = 0;
     this.onEntry = null;
+    this.filters = [];
 
     this.setEntryIndex = function(index) {
         this.entryIndex = index;
     };
 
+    this.addFilter = function(f) {
+        this.filters.push(f);
+    };
+
     this.load = function(filename) {
         this.filename = filename;
         this.data = JSON.parse(FILE.readFile(this.filename, PipeIPC.CdoUTF_8));
@@ -26,6 +31,17 @@ var HARObject = function() {
         while (this.entryIndex < entries.length) {
             var entry = entries[this.entryIndex];
 
+            var i = 0;
+            while (i < this.filters.length && typeof this.filters[i] === "function") {
+                try {
+                    if (!this.filters[i](entry))
+                        return;
+                } catch (e) {
+                    console.error(e.message);
+                }
+                i++;
+            }
+
             if (typeof callback !== "function") {
                 console.log(
                     '[' + entry.startedDateTime + ']',
@@ -58,7 +74,7 @@ var HARObject = function() {
 
 exports.HARObject = HARObject;
 
-exports.VERSIONINFO = "HAR(HTTP Archive) manipulate and replay tools version 0.1.3";
+exports.VERSIONINFO = "HAR(HTTP Archive) manipulate and replay tools version 0.1.4";
 exports.AUTHOR = "abuse@catswords.net";
 exports.global = global;
 exports.require = require;