diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index ca2189b5d1cc..56accad6a1a4 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -14,10 +14,14 @@ Next steps should work on clear Ubuntu 18.04.
 
 -   Install necessary dependencies:
     ```sh
-    $ sudo apt-get update && sudo apt-get --no-install-recommends install -y ffmpeg build-essential nodejs npm curl redis-server python3-dev python3-pip python3-venv libldap2-dev libsasl2-dev
+    $ sudo apt-get update && sudo apt-get --no-install-recommends install -y ffmpeg build-essential curl redis-server python3-dev python3-pip python3-venv libldap2-dev libsasl2-dev
     ```
     Also please make sure that you have installed ffmpeg with all necessary libav* libraries and pkg-config package.
     ```sh
+    # Node and npm (you can use default versions of these packages from apt (8.*, 3.*), but we would recommend to use newer versions)
+    curl -sL https://deb.nodesource.com/setup_12.x | sudo -E bash -
+    sudo apt-get install -y nodejs
+
     # General dependencies
     sudo apt-get install -y pkg-config
 
@@ -56,7 +60,7 @@ for development
 
 -   Install npm packages for UI and start UI debug server (run the following command from CVAT root directory):
     ```sh
-    cd cvat-data && npm install && \
+    cd cvat-core && npm install && \
     cd ../cvat-ui && npm install && npm start
     ```
 
diff --git a/cvat-core/package.json b/cvat-core/package.json
index 5167359b5de1..0a1dd9de0d79 100644
--- a/cvat-core/package.json
+++ b/cvat-core/package.json
@@ -1,5 +1,5 @@
 {
-  "name": "cvat-core.js",
+  "name": "cvat-core",
   "version": "1.0.0",
   "description": "Part of Computer Vision Tool which presents an interface for client-side integration",
   "main": "babel.config.js",
@@ -34,6 +34,7 @@
   "dependencies": {
     "axios": "^0.18.0",
     "browser-or-node": "^1.2.1",
+    "cvat-data": "../cvat-data",
     "detect-browser": "^5.0.0",
     "error-stack-parser": "^2.0.2",
     "form-data": "^2.5.0",
@@ -41,6 +42,7 @@
     "js-cookie": "^2.2.0",
     "jsonpath": "^1.0.2",
     "platform": "^1.3.5",
-    "store": "^2.0.12"
+    "store": "^2.0.12",
+    "worker-loader": "^2.0.0"
   }
 }
diff --git a/cvat-core/src/frames.js b/cvat-core/src/frames.js
index 7f92e92628e8..66145a0689d2 100644
--- a/cvat-core/src/frames.js
+++ b/cvat-core/src/frames.js
@@ -9,7 +9,7 @@
 */
 
 (() => {
-    const cvatData = require('../../cvat-data');
+    const cvatData = require('cvat-data');
     const PluginRegistry = require('./plugins');
     const serverProxy = require('./server-proxy');
     const { isBrowser, isNode } = require('browser-or-node');
diff --git a/cvat-ui/package-lock.json b/cvat-ui/package-lock.json
index fe40f6718192..634b919ea469 100644
--- a/cvat-ui/package-lock.json
+++ b/cvat-ui/package-lock.json
@@ -2099,6 +2099,16 @@
       "integrity": "sha512-Un7MIEDdUC5gNpcGDV97op1Ywk748MpHcFTHoYs6qnj1Z3j7I53VG3nwZhKzoBZmbdRNnb6WRdFlwl7tSDuZGw==",
       "dev": true
     },
+    "bindings": {
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/bindings/-/bindings-1.5.0.tgz",
+      "integrity": "sha512-p2q/t/mhvuOj/UeLlV6566GD/guowlr0hHxClI0W9m7MWYkL1F0hLo+0Aexs9HSPCtR1SXQ0TD3MMKrXZajbiQ==",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "file-uri-to-path": "1.0.0"
+      }
+    },
     "block-stream": {
       "version": "0.0.9",
       "resolved": "https://registry.npmjs.org/block-stream/-/block-stream-0.0.9.tgz",
@@ -12244,6 +12254,7 @@
       "requires": {
         "axios": "^0.18.0",
         "browser-or-node": "^1.2.1",
+        "cvat-data": "file:../cvat-data",
         "detect-browser": "^5.0.0",
         "error-stack-parser": "^2.0.2",
         "form-data": "^2.5.0",
@@ -12251,7 +12262,8 @@
         "js-cookie": "^2.2.0",
         "jsonpath": "^1.0.2",
         "platform": "^1.3.5",
-        "store": "^2.0.12"
+        "store": "^2.0.12",
+        "worker-loader": "^2.0.0"
       },
       "dependencies": {
         "@babel/cli": {
@@ -14590,6 +14602,198 @@
             "cssom": "0.3.x"
           }
         },
+        "cvat-data": {
+          "version": "file:../cvat-data",
+          "requires": {
+            "async-mutex": "^0.1.4",
+            "jszip": "3.1.5"
+          },
+          "dependencies": {
+            "ajv": {
+              "version": "6.12.2",
+              "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.2.tgz",
+              "integrity": "sha512-k+V+hzjm5q/Mr8ef/1Y9goCmlsK4I6Sm74teeyGvFk1XrOsbsKLjEdrvny42CZ+a8sXbk8KWpY/bDwS+FLL2UQ==",
+              "requires": {
+                "fast-deep-equal": "^3.1.1",
+                "fast-json-stable-stringify": "^2.0.0",
+                "json-schema-traverse": "^0.4.1",
+                "uri-js": "^4.2.2"
+              }
+            },
+            "ajv-keywords": {
+              "version": "3.4.1",
+              "resolved": "https://registry.npmjs.org/ajv-keywords/-/ajv-keywords-3.4.1.tgz",
+              "integrity": "sha512-RO1ibKvd27e6FEShVFfPALuHI3WjSVNeK5FIsmme/LYRNxjKuNj+Dt7bucLa6NdSv3JcVTyMlm9kGR84z1XpaQ=="
+            },
+            "async-mutex": {
+              "version": "0.1.4",
+              "resolved": "https://registry.npmjs.org/async-mutex/-/async-mutex-0.1.4.tgz",
+              "integrity": "sha512-zVWTmAnxxHaeB2B1te84oecI8zTDJ/8G49aVBblRX6be0oq6pAybNcUSxwfgVOmOjSCvN4aYZAqwtyNI8e1YGw=="
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+            "big.js": {
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+              "resolved": "https://registry.npmjs.org/big.js/-/big.js-5.2.2.tgz",
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+                "isarray": "~1.0.0",
+                "process-nextick-args": "~1.0.6",
+                "string_decoder": "~0.10.x",
+                "util-deprecate": "~1.0.1"
+              }
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+              "resolved": "https://registry.npmjs.org/schema-utils/-/schema-utils-0.4.7.tgz",
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+              "requires": {
+                "punycode": "^2.1.0"
+              }
+            },
+            "util-deprecate": {
+              "version": "1.0.2",
+              "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
+              "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8="
+            },
+            "worker-loader": {
+              "version": "2.0.0",
+              "resolved": "https://registry.npmjs.org/worker-loader/-/worker-loader-2.0.0.tgz",
+              "integrity": "sha512-tnvNp4K3KQOpfRnD20m8xltE3eWh89Ye+5oj7wXEEHKac1P4oZ6p9oTj8/8ExqoSBnk9nu5Pr4nKfQ1hn2APJw==",
+              "requires": {
+                "loader-utils": "^1.0.0",
+                "schema-utils": "^0.4.0"
+              }
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+          }
+        },
         "cyclist": {
           "version": "1.0.1",
           "resolved": "https://registry.npmjs.org/cyclist/-/cyclist-1.0.1.tgz",
@@ -16123,26 +16327,22 @@
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             "abbrev": {
               "version": "1.1.1",
-              "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.1.1.tgz",
-              "integrity": "sha512-nne9/IiQ/hzIhY6pdDnbBtz7DjPTKrY00P/zvPSm5pOFkl6xuGrGnXn/VtTNNfNtAfZ9/1RtehkszU9qcTii0Q==",
+              "resolved": false,
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               "version": "2.1.1",
-              "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
-              "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
+              "resolved": false,
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             },
             "aproba": {
               "version": "1.2.0",
-              "resolved": "https://registry.npmjs.org/aproba/-/aproba-1.2.0.tgz",
-              "integrity": "sha512-Y9J6ZjXtoYh8RnXVCMOU/ttDmk1aBjunq9vO0ta5x85WDQiQfUF9sIPBITdbiiIVcBo03Hi3jMxigBtsddlXRw==",
+              "resolved": false,
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             },
             "are-we-there-yet": {
               "version": "1.1.5",
               "resolved": false,
-              "integrity": "sha512-5hYdAkZlcG8tOLujVDTgCT+uPX0VnpAH28gWsLfzpXYm7wP6mp5Q/gYyR7YQ0cKVJcXJnl3j2kpBan13PtQf6w==",
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@@ -16151,14 +16351,12 @@
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-              "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
-              "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
+              "resolved": false,
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-              "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
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+              "resolved": false,
               "optional": true,
               "requires": {
                 "balanced-match": "^1.0.0",
@@ -16167,38 +16365,32 @@
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+              "resolved": false,
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               "version": "1.1.0",
-              "resolved": "https://registry.npmjs.org/code-point-at/-/code-point-at-1.1.0.tgz",
-              "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c=",
+              "resolved": false,
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-              "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
-              "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=",
+              "resolved": false,
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               "version": "1.1.0",
-              "resolved": "https://registry.npmjs.org/console-control-strings/-/console-control-strings-1.1.0.tgz",
-              "integrity": "sha1-PXz0Rk22RG6mRL9LOVB/mFEAjo4=",
+              "resolved": false,
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               "version": "1.0.2",
-              "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
-              "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=",
+              "resolved": false,
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+              "resolved": false,
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@@ -16206,20 +16398,17 @@
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+              "resolved": false,
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-              "resolved": "https://registry.npmjs.org/delegates/-/delegates-1.0.0.tgz",
-              "integrity": "sha1-hMbhWbgZBP3KWaDvRM2HDTElD5o=",
+              "resolved": false,
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-              "integrity": "sha1-+hN8S9aY7fVc1c0CrFWfkaTEups=",
+              "resolved": false,
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@@ -16233,8 +16422,7 @@
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-              "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8=",
+              "resolved": false,
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@@ -16269,14 +16457,12 @@
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+          "version": "4.0.3",
           "bundled": true,
           "dev": true,
           "optional": true,
@@ -22927,19 +23111,29 @@
           }
         },
         "npm-bundled": {
-          "version": "1.0.6",
+          "version": "1.1.1",
+          "bundled": true,
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "npm-normalize-package-bin": "^1.0.1"
+          }
+        },
+        "npm-normalize-package-bin": {
+          "version": "1.0.1",
           "bundled": true,
           "dev": true,
           "optional": true
         },
         "npm-packlist": {
-          "version": "1.4.1",
+          "version": "1.4.8",
           "bundled": true,
           "dev": true,
           "optional": true,
           "requires": {
             "ignore-walk": "^3.0.1",
-            "npm-bundled": "^1.0.1"
+            "npm-bundled": "^1.0.1",
+            "npm-normalize-package-bin": "^1.0.1"
           }
         },
         "npmlog": {
@@ -23004,7 +23198,7 @@
           "optional": true
         },
         "process-nextick-args": {
-          "version": "2.0.0",
+          "version": "2.0.1",
           "bundled": true,
           "dev": true,
           "optional": true
@@ -23019,18 +23213,10 @@
             "ini": "~1.3.0",
             "minimist": "^1.2.0",
             "strip-json-comments": "~2.0.1"
-          },
-          "dependencies": {
-            "minimist": {
-              "version": "1.2.0",
-              "bundled": true,
-              "dev": true,
-              "optional": true
-            }
           }
         },
         "readable-stream": {
-          "version": "2.3.6",
+          "version": "2.3.7",
           "bundled": true,
           "dev": true,
           "optional": true,
@@ -23045,7 +23231,7 @@
           }
         },
         "rimraf": {
-          "version": "2.6.3",
+          "version": "2.7.1",
           "bundled": true,
           "dev": true,
           "optional": true,
@@ -23072,7 +23258,7 @@
           "optional": true
         },
         "semver": {
-          "version": "5.7.0",
+          "version": "5.7.1",
           "bundled": true,
           "dev": true,
           "optional": true
@@ -23125,18 +23311,18 @@
           "optional": true
         },
         "tar": {
-          "version": "4.4.8",
+          "version": "4.4.13",
           "bundled": true,
           "dev": true,
           "optional": true,
           "requires": {
             "chownr": "^1.1.1",
             "fs-minipass": "^1.2.5",
-            "minipass": "^2.3.4",
-            "minizlib": "^1.1.1",
+            "minipass": "^2.8.6",
+            "minizlib": "^1.2.1",
             "mkdirp": "^0.5.0",
             "safe-buffer": "^5.1.2",
-            "yallist": "^3.0.2"
+            "yallist": "^3.0.3"
           }
         },
         "util-deprecate": {
@@ -23161,7 +23347,7 @@
           "optional": true
         },
         "yallist": {
-          "version": "3.0.3",
+          "version": "3.1.1",
           "bundled": true,
           "dev": true,
           "optional": true
diff --git a/cvat-ui/webpack.config.js b/cvat-ui/webpack.config.js
index 5d1d6d692173..96b0e27d9a9e 100644
--- a/cvat-ui/webpack.config.js
+++ b/cvat-ui/webpack.config.js
@@ -33,7 +33,6 @@ module.exports = {
     module: {
         rules: [{
             test: /\.(ts|tsx)$/,
-            exclude: /node_modules/,
             use: {
                 loader: 'babel-loader',
                 options: {