diff --git a/README.md b/README.md
index df5f985..2ceeed3 100644
--- a/README.md
+++ b/README.md
@@ -111,6 +111,7 @@ fs.dirname(path) // converts path dirname (everything except part after last /)
 fs.deviceready // deviceready promise
 fs.options // options
 fs.isCordova // is Cordova App?
+fs.availableSpace() // returns promise with available space in bytes
 ```
 
 ### Normalized path
diff --git a/dist/CordovaPromiseFS.js b/dist/CordovaPromiseFS.js
index d9aeb3a..ca998da 100644
--- a/dist/CordovaPromiseFS.js
+++ b/dist/CordovaPromiseFS.js
@@ -610,6 +610,20 @@ var CordovaPromiseFS =
 	    return filetransfer(false,dest,source,options,onprogress);
 	  }
 
+	  function availableSpace(){
+	    return new Promise(function(resolve,reject) {
+	      if(!isCordova) {
+	        resolve(100)
+	      } else {
+	        cordova.exec(function(result) {
+	          resolve(result);
+	        }, function(error) {
+	          reject(error);
+	        }, "File", "getFreeDiskSpace", []);
+	      }
+	    });
+	  }
+
 	  return {
 	    fs: fs,
 	    normalize: normalize,
@@ -637,6 +651,7 @@ var CordovaPromiseFS =
 	    toInternalURLSync: toInternalURLSync,
 	    toInternalURL:toInternalURL,
 	    toDataURL:toDataURL,
+	    availableSpace: availableSpace,
 	    deviceready: deviceready,
 	    options: options,
 	    Promise: Promise
diff --git a/index.js b/index.js
index 73e8f79..d2a3a60 100644
--- a/index.js
+++ b/index.js
@@ -563,6 +563,20 @@ module.exports = function(options){
     return filetransfer(false,dest,source,options,onprogress);
   }
 
+  function availableSpace(){
+    return new Promise(function(resolve,reject) {
+      if(!isCordova) {
+        resolve(100)
+      } else {
+        cordova.exec(function(result) {
+          resolve(result);
+        }, function(error) {
+          reject(error);
+        }, "File", "getFreeDiskSpace", []);
+      }
+    });
+  }
+
   return {
     fs: fs,
     normalize: normalize,
@@ -590,6 +604,7 @@ module.exports = function(options){
     toInternalURLSync: toInternalURLSync,
     toInternalURL:toInternalURL,
     toDataURL:toDataURL,
+    availableSpace: availableSpace,
     deviceready: deviceready,
     options: options,
     Promise: Promise
diff --git a/package.json b/package.json
index 119e342..3398a1d 100644
--- a/package.json
+++ b/package.json
@@ -19,5 +19,8 @@
     "promise"
   ],
   "author": "Mark Marijnissen",
-  "license": "MIT"
+  "license": "MIT",
+  "devDependencies": {
+    "webpack": "^1.13.1"
+  }
 }