diff --git a/lib/fileinfo.js b/lib/fileinfo.js
index 57995dc..d340bc7 100644
--- a/lib/fileinfo.js
+++ b/lib/fileinfo.js
@@ -28,7 +28,6 @@ function FileInfo(file, opts, storage, fields) {
     this.name = opts.saveFile ? safeFile(file.name, storage) : file.name;
     this.size = file.size;
     this.type = file.type;
-    this.ext = path.extname(file.name).substr(1);
     this.modified = file.lastMod;
     this.deleteType = 'DELETE';
     this.versions = {};
diff --git a/lib/thumbnail.js b/lib/thumbnail.js
index a8bf676..edba4e0 100644
--- a/lib/thumbnail.js
+++ b/lib/thumbnail.js
@@ -1,19 +1,19 @@
-var lwip = require('pajk-lwip');
+var Jimp = require('jimp');
 
 function processVersionFile(versionObj, fileInfo, buffer, cbk) {
-	lwip.open(buffer, fileInfo.ext, function(err, image) {
+	Jimp.read(buffer, function(err, image) {
 		if (err) return cbk(err, versionObj);
 
 		//update pics width and height
 		if (!fileInfo.width) {
-			fileInfo.width = image.width() || 50; //incase we don't get a valid width
-			fileInfo.height = image.height() || fileInfo.width;
+			fileInfo.width = image.bitmap.width || 50; //incase we don't get a valid width
+			fileInfo.height = image.bitmap.height || fileInfo.width;
 		}
 
 		var vo = versionObj;
-		var width = 'auto' === vo.width ? (vo.height / fileInfo.height) * fileInfo.width: vo.width;
-		var height = 'auto' === vo.height ? (vo.width / fileInfo.width) * fileInfo.height : vo.height;
-		image.batch().resize(width, height).toBuffer(fileInfo.ext, function(err, output){
+		var width = 'auto' === vo.width ? Jimp.AUTO : vo.width;
+		var height = 'auto' === vo.height ? Jimp.AUTO : vo.height;
+		image.resize(width, height, Jimp.RESIZE_NEAREST_NEIGHBOR).getBuffer(fileInfo.type, function(err, output){
 			cbk(err, output, width, height);
 		});
 	});
diff --git a/package-lock.json b/package-lock.json
index d617102..7ec9cb6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,9 +1,35 @@
 {
   "name": "blueimp-file-upload-expressjs",
-  "version": "0.5.1",
+  "version": "0.6.3",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
+    "ajv": {
+      "version": "5.5.2",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-5.5.2.tgz",
+      "integrity": "sha1-c7Xuyj+rZT49P5Qis0GtQiBdyWU=",
+      "requires": {
+        "co": "4.6.0",
+        "fast-deep-equal": "1.1.0",
+        "fast-json-stable-stringify": "2.0.0",
+        "json-schema-traverse": "0.3.1"
+      }
+    },
+    "asn1": {
+      "version": "0.2.3",
+      "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.3.tgz",
+      "integrity": "sha1-2sh4dxPJlmhJ/IGAd36+nB3fO4Y="
+    },
+    "assert-plus": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
+      "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU="
+    },
+    "asynckit": {
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
+      "integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k="
+    },
     "aws-sdk": {
       "version": "2.242.1",
       "resolved": "https://registry.npmjs.org/aws-sdk/-/aws-sdk-2.242.1.tgz",
@@ -20,11 +46,40 @@
         "xml2js": "0.4.17"
       }
     },
+    "aws-sign2": {
+      "version": "0.7.0",
+      "resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.7.0.tgz",
+      "integrity": "sha1-tG6JCTSpWR8tL2+G1+ap8bP+dqg="
+    },
+    "aws4": {
+      "version": "1.7.0",
+      "resolved": "https://registry.npmjs.org/aws4/-/aws4-1.7.0.tgz",
+      "integrity": "sha512-32NDda82rhwD9/JBCCkB+MRYDp0oSvlo2IL6rQWA10PQi7tDUM3eqMSltXmY+Oyl/7N3P3qNtAlv7X0d9bI28w=="
+    },
     "base64-js": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.3.0.tgz",
       "integrity": "sha512-ccav/yGvoa80BQDljCxsmmQ3Xvx60/UpBIij5QN21W3wBi/hhIC9OoO+KLpu9IJTS9j4DRVJ3aDDF9cMSoa2lw=="
     },
+    "bcrypt-pbkdf": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.1.tgz",
+      "integrity": "sha1-Y7xdy2EzG5K8Bf1SiVPDNGKgb40=",
+      "optional": true,
+      "requires": {
+        "tweetnacl": "0.14.5"
+      }
+    },
+    "bignumber.js": {
+      "version": "2.4.0",
+      "resolved": "https://registry.npmjs.org/bignumber.js/-/bignumber.js-2.4.0.tgz",
+      "integrity": "sha1-g4qZLan51zfg9LLbC+YrsJ3Qxeg="
+    },
+    "bmp-js": {
+      "version": "0.0.3",
+      "resolved": "https://registry.npmjs.org/bmp-js/-/bmp-js-0.0.3.tgz",
+      "integrity": "sha1-ZBE+nHzxICs3btYHvzBibr5XsYo="
+    },
     "buffer": {
       "version": "4.9.1",
       "resolved": "https://registry.npmjs.org/buffer/-/buffer-4.9.1.tgz",
@@ -35,16 +90,146 @@
         "isarray": "1.0.0"
       }
     },
+    "buffer-equal": {
+      "version": "0.0.1",
+      "resolved": "https://registry.npmjs.org/buffer-equal/-/buffer-equal-0.0.1.tgz",
+      "integrity": "sha1-kbx0sR6kBbyRa8aqkI+q+ltKrEs="
+    },
+    "caseless": {
+      "version": "0.12.0",
+      "resolved": "https://registry.npmjs.org/caseless/-/caseless-0.12.0.tgz",
+      "integrity": "sha1-G2gcIf+EAzyCZUMJBolCDRhxUdw="
+    },
+    "co": {
+      "version": "4.6.0",
+      "resolved": "https://registry.npmjs.org/co/-/co-4.6.0.tgz",
+      "integrity": "sha1-bqa989hTrlTMuOR7+gvz+QMfsYQ="
+    },
+    "combined-stream": {
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.6.tgz",
+      "integrity": "sha1-cj599ugBrFYTETp+RFqbactjKBg=",
+      "requires": {
+        "delayed-stream": "1.0.0"
+      }
+    },
+    "core-util-is": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
+      "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac="
+    },
+    "dashdash": {
+      "version": "1.14.1",
+      "resolved": "https://registry.npmjs.org/dashdash/-/dashdash-1.14.1.tgz",
+      "integrity": "sha1-hTz6D3y+L+1d4gMmuN1YEDX24vA=",
+      "requires": {
+        "assert-plus": "1.0.0"
+      }
+    },
+    "delayed-stream": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
+      "integrity": "sha1-3zrhmayt+31ECqrgsp4icrJOxhk="
+    },
+    "dom-walk": {
+      "version": "0.1.1",
+      "resolved": "https://registry.npmjs.org/dom-walk/-/dom-walk-0.1.1.tgz",
+      "integrity": "sha1-ZyIm3HTI95mtNTB9+TaroRrNYBg="
+    },
+    "ecc-jsbn": {
+      "version": "0.1.1",
+      "resolved": "https://registry.npmjs.org/ecc-jsbn/-/ecc-jsbn-0.1.1.tgz",
+      "integrity": "sha1-D8c6ntXw1Tw4GTOYUj735UN3dQU=",
+      "optional": true,
+      "requires": {
+        "jsbn": "0.1.1"
+      }
+    },
+    "es6-promise": {
+      "version": "3.3.1",
+      "resolved": "https://registry.npmjs.org/es6-promise/-/es6-promise-3.3.1.tgz",
+      "integrity": "sha1-oIzd6EzNvzTQJ6FFG8kdS80ophM="
+    },
     "events": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/events/-/events-1.1.1.tgz",
       "integrity": "sha1-nr23Y1rQmccNzEwqH1AEKI6L2SQ="
     },
+    "exif-parser": {
+      "version": "0.1.12",
+      "resolved": "https://registry.npmjs.org/exif-parser/-/exif-parser-0.1.12.tgz",
+      "integrity": "sha1-WKnS1ywCwfbwKg70qRZicrd2CSI="
+    },
+    "extend": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/extend/-/extend-3.0.1.tgz",
+      "integrity": "sha1-p1Xqe8Gt/MWjHOfnYtuq3F5jZEQ="
+    },
+    "extsprintf": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/extsprintf/-/extsprintf-1.3.0.tgz",
+      "integrity": "sha1-lpGEQOMEGnpBT4xS48V06zw+HgU="
+    },
+    "fast-deep-equal": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-1.1.0.tgz",
+      "integrity": "sha1-wFNHeBfIa1HaqFPIHgWbcz0CNhQ="
+    },
+    "fast-json-stable-stringify": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/fast-json-stable-stringify/-/fast-json-stable-stringify-2.0.0.tgz",
+      "integrity": "sha1-1RQsDK7msRifh9OnYREGT4bIu/I="
+    },
+    "file-type": {
+      "version": "3.9.0",
+      "resolved": "https://registry.npmjs.org/file-type/-/file-type-3.9.0.tgz",
+      "integrity": "sha1-JXoHg4TR24CHvESdEH1SpSZyuek="
+    },
+    "for-each": {
+      "version": "0.3.2",
+      "resolved": "https://registry.npmjs.org/for-each/-/for-each-0.3.2.tgz",
+      "integrity": "sha1-LEBFC5NI6X8oEyJZO6lnBLmr1NQ=",
+      "requires": {
+        "is-function": "1.0.1"
+      }
+    },
+    "forever-agent": {
+      "version": "0.6.1",
+      "resolved": "https://registry.npmjs.org/forever-agent/-/forever-agent-0.6.1.tgz",
+      "integrity": "sha1-+8cfDEGt6zf5bFd60e1C2P2sypE="
+    },
+    "form-data": {
+      "version": "2.3.2",
+      "resolved": "https://registry.npmjs.org/form-data/-/form-data-2.3.2.tgz",
+      "integrity": "sha1-SXBJi+YEwgwAXU9cI67NIda0kJk=",
+      "requires": {
+        "asynckit": "0.4.0",
+        "combined-stream": "1.0.6",
+        "mime-types": "2.1.18"
+      }
+    },
     "formidable": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/formidable/-/formidable-1.2.1.tgz",
       "integrity": "sha1-cPt8oCkO5v+WEJBBX0s989IIJlk="
     },
+    "getpass": {
+      "version": "0.1.7",
+      "resolved": "https://registry.npmjs.org/getpass/-/getpass-0.1.7.tgz",
+      "integrity": "sha1-Xv+OPmhNVprkyysSgmBOi6YhSfo=",
+      "requires": {
+        "assert-plus": "1.0.0"
+      }
+    },
+    "global": {
+      "version": "4.3.2",
+      "resolved": "https://registry.npmjs.org/global/-/global-4.3.2.tgz",
+      "integrity": "sha1-52mJJopsdMOJCLEwWxD8DjlOnQ8=",
+      "requires": {
+        "min-document": "2.19.0",
+        "process": "0.5.2"
+      }
+    },
     "gulp": {
       "version": "3.9.1",
       "resolved": "https://registry.npmjs.org/gulp/-/gulp-3.9.1.tgz",
@@ -3940,16 +4125,60 @@
         }
       }
     },
+    "har-schema": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/har-schema/-/har-schema-2.0.0.tgz",
+      "integrity": "sha1-qUwiJOvKwEeCoNkDVSHyRzW37JI="
+    },
+    "har-validator": {
+      "version": "5.0.3",
+      "resolved": "https://registry.npmjs.org/har-validator/-/har-validator-5.0.3.tgz",
+      "integrity": "sha1-ukAsJmGU8VlW7xXg/PJCmT9qff0=",
+      "requires": {
+        "ajv": "5.5.2",
+        "har-schema": "2.0.0"
+      }
+    },
+    "http-signature": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/http-signature/-/http-signature-1.2.0.tgz",
+      "integrity": "sha1-muzZJRFHcvPZW2WmCruPfBj7rOE=",
+      "requires": {
+        "assert-plus": "1.0.0",
+        "jsprim": "1.4.1",
+        "sshpk": "1.14.1"
+      }
+    },
     "ieee754": {
       "version": "1.1.8",
       "resolved": "https://registry.npmjs.org/ieee754/-/ieee754-1.1.8.tgz",
       "integrity": "sha1-vjPUCsEO8ZJnAfbwii2G+/0a0+Q="
     },
+    "ip-regex": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/ip-regex/-/ip-regex-1.0.3.tgz",
+      "integrity": "sha1-3FiQdvZZ9BnCIgOaMzFvHHOH7/0="
+    },
+    "is-function": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/is-function/-/is-function-1.0.1.tgz",
+      "integrity": "sha1-Es+5i2W1fdPRk6MSH19uL0N2ArU="
+    },
+    "is-typedarray": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/is-typedarray/-/is-typedarray-1.0.0.tgz",
+      "integrity": "sha1-5HnICFjfDBsR3dppQPlgEfzaSpo="
+    },
     "isarray": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
       "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE="
     },
+    "isstream": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/isstream/-/isstream-0.1.2.tgz",
+      "integrity": "sha1-R+Y/evVa+m+S4VAOaQ64uFKcCZo="
+    },
     "jasmine-node": {
       "version": "1.14.2",
       "resolved": "https://registry.npmjs.org/jasmine-node/-/jasmine-node-1.14.2.tgz",
@@ -4140,11 +4369,55 @@
         }
       }
     },
+    "jimp": {
+      "version": "0.2.28",
+      "resolved": "https://registry.npmjs.org/jimp/-/jimp-0.2.28.tgz",
+      "integrity": "sha1-3VKak3GQ9ClXp5N9Gsw6d2KZbqI=",
+      "requires": {
+        "bignumber.js": "2.4.0",
+        "bmp-js": "0.0.3",
+        "es6-promise": "3.3.1",
+        "exif-parser": "0.1.12",
+        "file-type": "3.9.0",
+        "jpeg-js": "0.2.0",
+        "load-bmfont": "1.3.0",
+        "mime": "1.6.0",
+        "mkdirp": "0.5.1",
+        "pixelmatch": "4.0.2",
+        "pngjs": "3.3.3",
+        "read-chunk": "1.0.1",
+        "request": "2.87.0",
+        "stream-to-buffer": "0.1.0",
+        "tinycolor2": "1.4.1",
+        "url-regex": "3.2.0"
+      },
+      "dependencies": {
+        "mkdirp": {
+          "version": "0.5.1",
+          "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
+          "integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
+          "requires": {
+            "minimist": "0.0.8"
+          }
+        }
+      }
+    },
     "jmespath": {
       "version": "0.15.0",
       "resolved": "https://registry.npmjs.org/jmespath/-/jmespath-0.15.0.tgz",
       "integrity": "sha1-o/Iiqarp+Wb10nx5ZRDigJF2Qhc="
     },
+    "jpeg-js": {
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/jpeg-js/-/jpeg-js-0.2.0.tgz",
+      "integrity": "sha1-U+RI7J0mPmgyZkZ+lELSxaLvVII="
+    },
+    "jsbn": {
+      "version": "0.1.1",
+      "resolved": "https://registry.npmjs.org/jsbn/-/jsbn-0.1.1.tgz",
+      "integrity": "sha1-peZUwuWi3rXyAdls77yoDA7y9RM=",
+      "optional": true
+    },
     "jshint-stylish": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/jshint-stylish/-/jshint-stylish-1.0.2.tgz",
@@ -4269,11 +4542,82 @@
         }
       }
     },
+    "json-schema": {
+      "version": "0.2.3",
+      "resolved": "https://registry.npmjs.org/json-schema/-/json-schema-0.2.3.tgz",
+      "integrity": "sha1-tIDIkuWaLwWVTOcnvT8qTogvnhM="
+    },
+    "json-schema-traverse": {
+      "version": "0.3.1",
+      "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-0.3.1.tgz",
+      "integrity": "sha1-NJptRMU6Ud6JtAgFxdXlm0F9M0A="
+    },
+    "json-stringify-safe": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/json-stringify-safe/-/json-stringify-safe-5.0.1.tgz",
+      "integrity": "sha1-Epai1Y/UXxmg9s4B1lcB4sc1tus="
+    },
+    "jsprim": {
+      "version": "1.4.1",
+      "resolved": "https://registry.npmjs.org/jsprim/-/jsprim-1.4.1.tgz",
+      "integrity": "sha1-MT5mvB5cwG5Di8G3SZwuXFastqI=",
+      "requires": {
+        "assert-plus": "1.0.0",
+        "extsprintf": "1.3.0",
+        "json-schema": "0.2.3",
+        "verror": "1.10.0"
+      }
+    },
+    "load-bmfont": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/load-bmfont/-/load-bmfont-1.3.0.tgz",
+      "integrity": "sha1-u358cQ3mvK/LE8s7jIHgwBMey8k=",
+      "requires": {
+        "buffer-equal": "0.0.1",
+        "mime": "1.6.0",
+        "parse-bmfont-ascii": "1.0.6",
+        "parse-bmfont-binary": "1.0.6",
+        "parse-bmfont-xml": "1.1.3",
+        "xhr": "2.5.0",
+        "xtend": "4.0.1"
+      }
+    },
     "lodash": {
       "version": "4.17.10",
       "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.10.tgz",
       "integrity": "sha512-UejweD1pDoXu+AD825lWwp4ZGtSwgnpZxb3JDViD7StjQz+Nb/6l093lx4OQ0foGWNRoc19mWy7BzL+UAK2iVg=="
     },
+    "mime": {
+      "version": "1.6.0",
+      "resolved": "https://registry.npmjs.org/mime/-/mime-1.6.0.tgz",
+      "integrity": "sha512-x0Vn8spI+wuJ1O6S7gnbaQg8Pxh4NNHb7KSINmEWKiPE4RKOplvijn+NkmYmmRgP68mc70j2EbeTFRsrswaQeg=="
+    },
+    "mime-db": {
+      "version": "1.33.0",
+      "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.33.0.tgz",
+      "integrity": "sha512-BHJ/EKruNIqJf/QahvxwQZXKygOQ256myeN/Ew+THcAa5q+PjyTTMMeNQC4DZw5AwfvelsUrA6B67NKMqXDbzQ=="
+    },
+    "mime-types": {
+      "version": "2.1.18",
+      "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.18.tgz",
+      "integrity": "sha512-lc/aahn+t4/SWV/qcmumYjymLsWfN3ELhpmVuUFjgsORruuZPVSwAQryq+HHGvO/SI2KVX26bx+En+zhM8g8hQ==",
+      "requires": {
+        "mime-db": "1.33.0"
+      }
+    },
+    "min-document": {
+      "version": "2.19.0",
+      "resolved": "https://registry.npmjs.org/min-document/-/min-document-2.19.0.tgz",
+      "integrity": "sha1-e9KC4/WELtKVu3SM3Z8f+iyCRoU=",
+      "requires": {
+        "dom-walk": "0.1.1"
+      }
+    },
+    "minimist": {
+      "version": "0.0.8",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
+      "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0="
+    },
     "mkdirp": {
       "version": "0.5.0",
       "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.0.tgz",
@@ -4289,79 +4633,191 @@
         }
       }
     },
-    "pajk-lwip": {
-      "version": "0.2.0",
-      "resolved": "https://registry.npmjs.org/pajk-lwip/-/pajk-lwip-0.2.0.tgz",
-      "integrity": "sha1-7c0zQGz2uGMyt2LwM1BHpd2FoDY=",
+    "oauth-sign": {
+      "version": "0.8.2",
+      "resolved": "https://registry.npmjs.org/oauth-sign/-/oauth-sign-0.8.2.tgz",
+      "integrity": "sha1-Rqarfwrq2N6unsBWV4C31O/rnUM="
+    },
+    "parse-bmfont-ascii": {
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/parse-bmfont-ascii/-/parse-bmfont-ascii-1.0.6.tgz",
+      "integrity": "sha1-Eaw8P/WPfCAgqyJ2kHkQjU36AoU="
+    },
+    "parse-bmfont-binary": {
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/parse-bmfont-binary/-/parse-bmfont-binary-1.0.6.tgz",
+      "integrity": "sha1-0Di0dtPp3Z2x4RoLDlOiJ5K2kAY="
+    },
+    "parse-bmfont-xml": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/parse-bmfont-xml/-/parse-bmfont-xml-1.1.3.tgz",
+      "integrity": "sha1-1rZqNxr9OcUAfZ8O6yYqTyzOe3w=",
       "requires": {
-        "async": "2.6.0",
-        "bindings": "1.3.0",
-        "decree": "0.0.6",
-        "nan": "2.10.0"
-      },
-      "dependencies": {
-        "async": {
-          "version": "2.6.0",
-          "resolved": "https://registry.npmjs.org/async/-/async-2.6.0.tgz",
-          "integrity": "sha1-YaKau2/MAm/qd+VtHG7FOnlZUfQ=",
-          "requires": {
-            "lodash": "4.17.10"
-          },
-          "dependencies": {
-            "lodash": {
-              "version": "4.17.10",
-              "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.10.tgz",
-              "integrity": "sha1-G3eTz3JZ6jj7NmHU04syYK+K5Oc="
-            }
-          }
-        },
-        "bindings": {
-          "version": "1.3.0",
-          "resolved": "https://registry.npmjs.org/bindings/-/bindings-1.3.0.tgz",
-          "integrity": "sha1-s0b27PapX1qBXFg5/HzbIlAvHtc="
-        },
-        "decree": {
-          "version": "0.0.6",
-          "resolved": "https://registry.npmjs.org/decree/-/decree-0.0.6.tgz",
-          "integrity": "sha1-R+/vDtYA1ybqhkA0XcSWHQ+lTN0=",
-          "requires": {
-            "lodash-node": "2.4.1"
-          },
-          "dependencies": {
-            "lodash-node": {
-              "version": "2.4.1",
-              "resolved": "https://registry.npmjs.org/lodash-node/-/lodash-node-2.4.1.tgz",
-              "integrity": "sha1-6oL3sQDHM9GkKvdoAeUGEF4qgOw="
-            }
-          }
-        },
-        "nan": {
-          "version": "2.10.0",
-          "resolved": "https://registry.npmjs.org/nan/-/nan-2.10.0.tgz",
-          "integrity": "sha1-ltDNYQ69WNS03pzAxoKM2pnHVI8="
-        }
+        "xml-parse-from-string": "1.0.1",
+        "xml2js": "0.4.17"
       }
     },
+    "parse-headers": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/parse-headers/-/parse-headers-2.0.1.tgz",
+      "integrity": "sha1-aug6eqJanZtwCswoaYzR8e1+lTY=",
+      "requires": {
+        "for-each": "0.3.2",
+        "trim": "0.0.1"
+      }
+    },
+    "performance-now": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/performance-now/-/performance-now-2.1.0.tgz",
+      "integrity": "sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns="
+    },
     "pico-common": {
       "version": "0.9.9",
       "resolved": "https://registry.npmjs.org/pico-common/-/pico-common-0.9.9.tgz",
-      "integrity": "sha512-LvOQ8QO3wlvTyPNlWJ7MX8DMAyWmF7G3my7L5NfeG8esRrzwAy4hknHTDUwfDNQbMQlmAF4mdDXnYtv5it1crA=="
+      "integrity": "sha1-W5VzD2DlSxdPGGqvuHDJKjlXndo="
+    },
+    "pixelmatch": {
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/pixelmatch/-/pixelmatch-4.0.2.tgz",
+      "integrity": "sha1-j0fc7FARtHe2fbA8JDvB8wheiFQ=",
+      "requires": {
+        "pngjs": "3.3.3"
+      }
+    },
+    "pngjs": {
+      "version": "3.3.3",
+      "resolved": "https://registry.npmjs.org/pngjs/-/pngjs-3.3.3.tgz",
+      "integrity": "sha512-1n3Z4p3IOxArEs1VRXnZ/RXdfEniAUS9jb68g58FIXMNkPJeZd+Qh4Uq7/e0LVxAQGos1eIUrqrt4FpjdnEd+Q=="
+    },
+    "process": {
+      "version": "0.5.2",
+      "resolved": "https://registry.npmjs.org/process/-/process-0.5.2.tgz",
+      "integrity": "sha1-FjjYqONML0QKkduVq5rrZ3/Bhc8="
     },
     "punycode": {
       "version": "1.3.2",
       "resolved": "https://registry.npmjs.org/punycode/-/punycode-1.3.2.tgz",
       "integrity": "sha1-llOgNvt8HuQjQvIyXM7v6jkmxI0="
     },
+    "qs": {
+      "version": "6.5.2",
+      "resolved": "https://registry.npmjs.org/qs/-/qs-6.5.2.tgz",
+      "integrity": "sha512-N5ZAX4/LxJmF+7wN74pUD6qAh9/wnvdQcjq9TZjevvXzSUo7bfmw91saqMjzGS2xq91/odN2dW/WOl7qQHNDGA=="
+    },
     "querystring": {
       "version": "0.2.0",
       "resolved": "https://registry.npmjs.org/querystring/-/querystring-0.2.0.tgz",
       "integrity": "sha1-sgmEkgO7Jd+CDadW50cAWHhSFiA="
     },
+    "read-chunk": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/read-chunk/-/read-chunk-1.0.1.tgz",
+      "integrity": "sha1-X2jKswfmY/GZk1J9m1icrORmEZQ="
+    },
+    "request": {
+      "version": "2.87.0",
+      "resolved": "https://registry.npmjs.org/request/-/request-2.87.0.tgz",
+      "integrity": "sha512-fcogkm7Az5bsS6Sl0sibkbhcKsnyon/jV1kF3ajGmF0c8HrttdKTPRT9hieOaQHA5HEq6r8OyWOo/o781C1tNw==",
+      "requires": {
+        "aws-sign2": "0.7.0",
+        "aws4": "1.7.0",
+        "caseless": "0.12.0",
+        "combined-stream": "1.0.6",
+        "extend": "3.0.1",
+        "forever-agent": "0.6.1",
+        "form-data": "2.3.2",
+        "har-validator": "5.0.3",
+        "http-signature": "1.2.0",
+        "is-typedarray": "1.0.0",
+        "isstream": "0.1.2",
+        "json-stringify-safe": "5.0.1",
+        "mime-types": "2.1.18",
+        "oauth-sign": "0.8.2",
+        "performance-now": "2.1.0",
+        "qs": "6.5.2",
+        "safe-buffer": "5.1.2",
+        "tough-cookie": "2.3.4",
+        "tunnel-agent": "0.6.0",
+        "uuid": "3.1.0"
+      }
+    },
+    "safe-buffer": {
+      "version": "5.1.2",
+      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
+      "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
+    },
     "sax": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/sax/-/sax-1.2.1.tgz",
       "integrity": "sha1-e45lYZCyKOgaZq6nSEgNgozS03o="
     },
+    "sshpk": {
+      "version": "1.14.1",
+      "resolved": "https://registry.npmjs.org/sshpk/-/sshpk-1.14.1.tgz",
+      "integrity": "sha1-Ew9Zde3a2WPx1W+SuaxsUfqfg+s=",
+      "requires": {
+        "asn1": "0.2.3",
+        "assert-plus": "1.0.0",
+        "bcrypt-pbkdf": "1.0.1",
+        "dashdash": "1.14.1",
+        "ecc-jsbn": "0.1.1",
+        "getpass": "0.1.7",
+        "jsbn": "0.1.1",
+        "tweetnacl": "0.14.5"
+      }
+    },
+    "stream-to": {
+      "version": "0.2.2",
+      "resolved": "https://registry.npmjs.org/stream-to/-/stream-to-0.2.2.tgz",
+      "integrity": "sha1-hDBgmNhf25kLn6MAsbPM9V6O8B0="
+    },
+    "stream-to-buffer": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/stream-to-buffer/-/stream-to-buffer-0.1.0.tgz",
+      "integrity": "sha1-JnmdkDqyAlyb1VCsRxcbAPjdgKk=",
+      "requires": {
+        "stream-to": "0.2.2"
+      }
+    },
+    "tinycolor2": {
+      "version": "1.4.1",
+      "resolved": "https://registry.npmjs.org/tinycolor2/-/tinycolor2-1.4.1.tgz",
+      "integrity": "sha1-9PrTM0R7wLB9TcjpIJ2POaisd+g="
+    },
+    "tough-cookie": {
+      "version": "2.3.4",
+      "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.3.4.tgz",
+      "integrity": "sha512-TZ6TTfI5NtZnuyy/Kecv+CnoROnyXn2DN97LontgQpCwsX2XyLYCC0ENhYkehSOwAp8rTQKc/NUIF7BkQ5rKLA==",
+      "requires": {
+        "punycode": "1.4.1"
+      },
+      "dependencies": {
+        "punycode": {
+          "version": "1.4.1",
+          "resolved": "https://registry.npmjs.org/punycode/-/punycode-1.4.1.tgz",
+          "integrity": "sha1-wNWmOycYgArY4esPpSachN1BhF4="
+        }
+      }
+    },
+    "trim": {
+      "version": "0.0.1",
+      "resolved": "https://registry.npmjs.org/trim/-/trim-0.0.1.tgz",
+      "integrity": "sha1-WFhUf2spB1fulczMZm+1AITEYN0="
+    },
+    "tunnel-agent": {
+      "version": "0.6.0",
+      "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
+      "integrity": "sha1-J6XeoGs2sEoKmWZ3SykIaPD8QP0=",
+      "requires": {
+        "safe-buffer": "5.1.2"
+      }
+    },
+    "tweetnacl": {
+      "version": "0.14.5",
+      "resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-0.14.5.tgz",
+      "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q=",
+      "optional": true
+    },
     "url": {
       "version": "0.10.3",
       "resolved": "https://registry.npmjs.org/url/-/url-0.10.3.tgz",
@@ -4371,11 +4827,45 @@
         "querystring": "0.2.0"
       }
     },
+    "url-regex": {
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/url-regex/-/url-regex-3.2.0.tgz",
+      "integrity": "sha1-260eDJ4p4QXdCx8J9oYvf9tIJyQ=",
+      "requires": {
+        "ip-regex": "1.0.3"
+      }
+    },
     "uuid": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.1.0.tgz",
       "integrity": "sha512-DIWtzUkw04M4k3bf1IcpS2tngXEL26YUD2M0tMDUpnUrz2hgzUBlD55a4FjdLGPvfHxS6uluGWvaVEqgBcVa+g=="
     },
+    "verror": {
+      "version": "1.10.0",
+      "resolved": "https://registry.npmjs.org/verror/-/verror-1.10.0.tgz",
+      "integrity": "sha1-OhBcoXBTr1XW4nDB+CiGguGNpAA=",
+      "requires": {
+        "assert-plus": "1.0.0",
+        "core-util-is": "1.0.2",
+        "extsprintf": "1.3.0"
+      }
+    },
+    "xhr": {
+      "version": "2.5.0",
+      "resolved": "https://registry.npmjs.org/xhr/-/xhr-2.5.0.tgz",
+      "integrity": "sha512-4nlO/14t3BNUZRXIXfXe+3N6w3s1KoxcJUUURctd64BLRe67E4gRwp4PjywtDY72fXpZ1y6Ch0VZQRY/gMPzzQ==",
+      "requires": {
+        "global": "4.3.2",
+        "is-function": "1.0.1",
+        "parse-headers": "2.0.1",
+        "xtend": "4.0.1"
+      }
+    },
+    "xml-parse-from-string": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/xml-parse-from-string/-/xml-parse-from-string-1.0.1.tgz",
+      "integrity": "sha1-qQKekp09vN7RafPG4oI42VpdWig="
+    },
     "xml2js": {
       "version": "0.4.17",
       "resolved": "https://registry.npmjs.org/xml2js/-/xml2js-0.4.17.tgz",
@@ -4392,6 +4882,11 @@
       "requires": {
         "lodash": "4.17.10"
       }
+    },
+    "xtend": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",
+      "integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68="
     }
   }
 }
diff --git a/package.json b/package.json
index 0b0c92c..29cdbc6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "blueimp-file-upload-expressjs",
-  "version": "0.6.2",
+  "version": "0.6.3",
   "description": "jQuery File Upload using Expressjs : 'borrowed' from Blueimp jQuery File Upload developed by Sebastian Tschan",
   "main": "index.js",
   "scripts": {
@@ -9,8 +9,8 @@
   "dependencies": {
     "aws-sdk": "^2.242.1",
     "formidable": "^1.0.17",
+    "jimp": "^0.2.28",
     "mkdirp": "0.5.0",
-    "pajk-lwip": "^0.2.0",
     "pico-common": "^0.9.9"
   },
   "devDependencies": {