diff --git a/.babelrc b/.babelrc
index 4932b640..8c458bc0 100644
--- a/.babelrc
+++ b/.babelrc
@@ -9,7 +9,7 @@
     }]
   ],
   "plugins": [
-    "./config/rename-internal"
+
   ],
   "env": {
     "test": {
diff --git a/.eslintignore b/.eslintignore
index 379e486c..952a38c1 100644
--- a/.eslintignore
+++ b/.eslintignore
@@ -1,3 +1,4 @@
 dist/
+intl/
 coverage/
 *.flow.js
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
index d1c76631..589f5022 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,6 +4,7 @@ node_modules/
 bower_components/
 reports/
 dist/
+intl/
 coverage/
 docs/build/*
 .nyc_output
diff --git a/bundlesize.config.json b/bundlesize.config.json
new file mode 100644
index 00000000..f1dffb06
--- /dev/null
+++ b/bundlesize.config.json
@@ -0,0 +1,6 @@
+{
+  "files": [
+    { "path": "./dist/currency.min.js" },
+    { "path": "./intl/currency.min.js" }
+  ]
+}
\ No newline at end of file
diff --git a/config/bundlesize.json b/config/bundlesize.json
new file mode 100644
index 00000000..f1dffb06
--- /dev/null
+++ b/config/bundlesize.json
@@ -0,0 +1,6 @@
+{
+  "files": [
+    { "path": "./dist/currency.min.js" },
+    { "path": "./intl/currency.min.js" }
+  ]
+}
\ No newline at end of file
diff --git a/config/rollup.config.js b/config/rollup.config.js
index cad2c1af..99ca9332 100644
--- a/config/rollup.config.js
+++ b/config/rollup.config.js
@@ -2,23 +2,41 @@ import pkg from '../package.json';
 import babel from 'rollup-plugin-babel';
 import banner from './banner';
 
-export default {
-  input: 'src/currency.js',
-  plugins: [
-    babel({
-      exclude: 'node_modules/**'
-    })
-  ],
-  output: [
-    {
-      format: 'es',
-      file: pkg.module,
-      banner
-    },
-    {
-      format: 'cjs',
-      file: pkg.main,
-      banner
-    }
-  ]
-};
\ No newline at end of file
+const plugins = [
+  babel({
+    exclude: 'node_modules/**'
+  })
+];
+
+export default [
+  {
+    input: 'src/currency.js',
+    plugins,
+    output: [
+      {
+        format: 'es',
+        file: pkg.module,
+        banner
+      },
+      {
+        format: 'cjs',
+        file: pkg.main,
+        banner
+      }
+    ]
+  },
+  {
+    input: 'src/currency.intl.js',
+    plugins,
+    output: [
+      {
+        format: 'es',
+        file: 'intl/currency.es.js'
+      },
+      {
+        format: 'cjs',
+        file: 'intl/currency.js'
+      }
+    ]
+  }
+];
\ No newline at end of file
diff --git a/config/rollup.umd.js b/config/rollup.umd.js
index 25e3bd27..f4fd4468 100644
--- a/config/rollup.umd.js
+++ b/config/rollup.umd.js
@@ -5,39 +5,71 @@ import closure from './closure';
 
 const input = 'src/currency.js';
 
-export default [{
-  input,
-  plugins: [
-    babel({
-      exclude: 'node_modules/**'
-    })
-  ],
-  output: [
-    {
-      format: 'umd',
-      file: 'dist/currency.umd.js',
-      name: 'currency',
-      banner
-    }
-  ]
-},
-{
-  input,
-  plugins: [
-    babel({
-      exclude: 'node_modules/**'
-    }),
-    closure({
-      compilationLevel: 'SIMPLE',
-      rewritePolyfills: false
-    })
-  ],
-  output: [
-    {
-      format: 'umd',
-      file: pkg.browser,
-      name: 'currency',
-      banner
-    }
-  ]
-}];
\ No newline at end of file
+const plugins = [
+  babel({
+    exclude: 'node_modules/**'
+  })
+];
+
+export default [
+  {
+    input,
+    plugins,
+    output: [
+      {
+        format: 'umd',
+        file: 'dist/currency.umd.js',
+        name: 'currency',
+        banner
+      }
+    ]
+  },
+  {
+    input: 'src/currency.intl.js',
+    plugins,
+    output: [
+      {
+        format: 'umd',
+        file: 'intl/currency.umd.js',
+        name: 'currency',
+        banner
+      }
+    ]
+  },
+  {
+    input,
+    plugins: [
+      ...plugins,
+      closure({
+        compilationLevel: 'SIMPLE',
+        rewritePolyfills: false
+      })
+    ],
+    output: [
+      {
+        format: 'umd',
+        file: pkg.browser,
+        name: 'currency',
+        banner
+      }
+    ]
+  },
+  {
+    input: 'src/currency.intl.js',
+    plugins: [
+      ...plugins,
+      closure({
+        compilationLevel: 'SIMPLE',
+        rewritePolyfills: false
+      })
+    ],
+    output: [
+      {
+        format: 'umd',
+        file: 'intl/currency.min.js',
+        name: 'currency',
+        banner
+      }
+    ]
+  }
+];
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index ac554053..d9bde9a1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1708,12 +1708,28 @@
         "default-require-extensions": "^2.0.0"
       }
     },
+    "aproba": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/aproba/-/aproba-1.2.0.tgz",
+      "integrity": "sha512-Y9J6ZjXtoYh8RnXVCMOU/ttDmk1aBjunq9vO0ta5x85WDQiQfUF9sIPBITdbiiIVcBo03Hi3jMxigBtsddlXRw==",
+      "dev": true
+    },
     "archy": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/archy/-/archy-1.0.0.tgz",
       "integrity": "sha1-+cjBN1fMHde8N5rHeyxipcKGjEA=",
       "dev": true
     },
+    "are-we-there-yet": {
+      "version": "1.1.5",
+      "resolved": "https://registry.npmjs.org/are-we-there-yet/-/are-we-there-yet-1.1.5.tgz",
+      "integrity": "sha512-5hYdAkZlcG8tOLujVDTgCT+uPX0VnpAH28gWsLfzpXYm7wP6mp5Q/gYyR7YQ0cKVJcXJnl3j2kpBan13PtQf6w==",
+      "dev": true,
+      "requires": {
+        "delegates": "^1.0.0",
+        "readable-stream": "^2.0.6"
+      }
+    },
     "argparse": {
       "version": "1.0.9",
       "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.9.tgz",
@@ -1727,8 +1743,7 @@
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/arr-diff/-/arr-diff-4.0.0.tgz",
       "integrity": "sha1-1kYQdP6/7HHn4VI1dhoyml3HxSA=",
-      "dev": true,
-      "optional": true
+      "dev": true
     },
     "arr-flatten": {
       "version": "1.1.0",
@@ -1797,8 +1812,7 @@
       "version": "0.3.2",
       "resolved": "https://registry.npmjs.org/array-unique/-/array-unique-0.3.2.tgz",
       "integrity": "sha1-qJS3XUvE9s1nnvMkSp/Y9Gri1Cg=",
-      "dev": true,
-      "optional": true
+      "dev": true
     },
     "arrify": {
       "version": "1.0.1",
@@ -2218,6 +2232,24 @@
         }
       }
     },
+    "axios": {
+      "version": "0.19.0",
+      "resolved": "https://registry.npmjs.org/axios/-/axios-0.19.0.tgz",
+      "integrity": "sha512-1uvKqKQta3KBxIz14F2v06AEHZ/dIoeKfbTRkK1E5oqjDnuEerLmYTgJB5AiQZHJcljpg1TuRzdjDR06qNk0DQ==",
+      "dev": true,
+      "requires": {
+        "follow-redirects": "1.5.10",
+        "is-buffer": "^2.0.2"
+      },
+      "dependencies": {
+        "is-buffer": {
+          "version": "2.0.3",
+          "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-2.0.3.tgz",
+          "integrity": "sha512-U15Q7MXTuZlrbymiz95PJpZxu8IlipAp4dtS3wOdgPXx3mqBnslrWU14kxfHB+Py/+2PVKSr37dMAgM2A4uArw==",
+          "dev": true
+        }
+      }
+    },
     "babel-plugin-dynamic-import-node": {
       "version": "2.3.0",
       "resolved": "https://registry.npmjs.org/babel-plugin-dynamic-import-node/-/babel-plugin-dynamic-import-node-2.3.0.tgz",
@@ -2278,6 +2310,42 @@
       "dev": true,
       "optional": true
     },
+    "bl": {
+      "version": "1.2.2",
+      "resolved": "https://registry.npmjs.org/bl/-/bl-1.2.2.tgz",
+      "integrity": "sha512-e8tQYnZodmebYDWGH7KMRvtzKXaJHx3BbilrgZCfvyLUYdKpK1t5PSPmpkny/SgiTSCnjfLW7v5rlONXVFkQEA==",
+      "dev": true,
+      "requires": {
+        "readable-stream": "^2.3.5",
+        "safe-buffer": "^5.1.1"
+      },
+      "dependencies": {
+        "readable-stream": {
+          "version": "2.3.6",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
+          "integrity": "sha512-tQtKA9WIAhBF3+VLAseyMqZeBjW0AHJoxOtYqSUZNJxauErmLbVm2FW1y+J/YA9dUrAC39ITejlZWhVIwawkKw==",
+          "dev": true,
+          "requires": {
+            "core-util-is": "~1.0.0",
+            "inherits": "~2.0.3",
+            "isarray": "~1.0.0",
+            "process-nextick-args": "~2.0.0",
+            "safe-buffer": "~5.1.1",
+            "string_decoder": "~1.1.1",
+            "util-deprecate": "~1.0.1"
+          }
+        },
+        "string_decoder": {
+          "version": "1.1.1",
+          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+          "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
+          "dev": true,
+          "requires": {
+            "safe-buffer": "~5.1.0"
+          }
+        }
+      }
+    },
     "bluebird": {
       "version": "3.5.5",
       "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.5.5.tgz",
@@ -2396,7 +2464,6 @@
       "resolved": "https://registry.npmjs.org/braces/-/braces-2.3.2.tgz",
       "integrity": "sha512-aNdbnj9P8PjdXU4ybaWLK2IF3jc/EoDYbC7AazW6to3TRsfXxscC9UXOB5iDiEQrkyIbWp2SLQda4+QAa7nc3w==",
       "dev": true,
-      "optional": true,
       "requires": {
         "arr-flatten": "^1.1.0",
         "array-unique": "^0.3.2",
@@ -2410,6 +2477,16 @@
         "to-regex": "^3.0.1"
       }
     },
+    "brotli-size": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/brotli-size/-/brotli-size-0.1.0.tgz",
+      "integrity": "sha512-5ny7BNvpe2TSmdafF1T9dnFYp3AIrJ8qJt29K0DQJzORlK38LBim/CmlY26JtreV6SWmXza7Oa+9m61SzvxR0Q==",
+      "dev": true,
+      "requires": {
+        "duplexer": "^0.1.1",
+        "iltorb": "^2.4.3"
+      }
+    },
     "browserslist": {
       "version": "4.6.6",
       "resolved": "https://registry.npmjs.org/browserslist/-/browserslist-4.6.6.tgz",
@@ -2421,6 +2498,28 @@
         "node-releases": "^1.1.25"
       }
     },
+    "buffer-alloc": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/buffer-alloc/-/buffer-alloc-1.2.0.tgz",
+      "integrity": "sha512-CFsHQgjtW1UChdXgbyJGtnm+O/uLQeZdtbDo8mfUgYXCHSM1wgrVxXm6bSyrUuErEb+4sYVGCzASBRot7zyrow==",
+      "dev": true,
+      "requires": {
+        "buffer-alloc-unsafe": "^1.1.0",
+        "buffer-fill": "^1.0.0"
+      }
+    },
+    "buffer-alloc-unsafe": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/buffer-alloc-unsafe/-/buffer-alloc-unsafe-1.1.0.tgz",
+      "integrity": "sha512-TEM2iMIEQdJ2yjPJoSIsldnleVaAk1oW3DBVUykyOLsEsFmEc9kn+SFFPz+gl54KQNxlDnAwCXosOS9Okx2xAg==",
+      "dev": true
+    },
+    "buffer-fill": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/buffer-fill/-/buffer-fill-1.0.0.tgz",
+      "integrity": "sha1-+PeLdniYiO858gXNY39o5wISKyw=",
+      "dev": true
+    },
     "buffer-from": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.1.1.tgz",
@@ -2433,6 +2532,54 @@
       "integrity": "sha1-Jw8HbFpywC9bZaR9+Uxf46J4iS8=",
       "dev": true
     },
+    "bundlesize": {
+      "version": "0.18.0",
+      "resolved": "https://registry.npmjs.org/bundlesize/-/bundlesize-0.18.0.tgz",
+      "integrity": "sha512-GZURr25umfYxZYZUyOlOtJRbYjAn0VfbjbnS0NBcOiF8VcjmhoEhmx8Gw4va8HeQb8j7Ra0ZltY/IeHgSHFXFw==",
+      "dev": true,
+      "requires": {
+        "axios": "^0.19.0",
+        "brotli-size": "0.1.0",
+        "bytes": "^3.1.0",
+        "ci-env": "^1.4.0",
+        "commander": "^2.20.0",
+        "cosmiconfig": "^5.2.1",
+        "github-build": "^1.2.0",
+        "glob": "^7.1.4",
+        "gzip-size": "^4.0.0",
+        "prettycli": "^1.4.3"
+      },
+      "dependencies": {
+        "commander": {
+          "version": "2.20.0",
+          "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.0.tgz",
+          "integrity": "sha512-7j2y+40w61zy6YC2iRNpUe/NwhNyoXrYpHMrSunaMG64nRnaf96zO/KMQR4OyN/UnE5KLyEBnKHd4aG3rskjpQ==",
+          "dev": true
+        },
+        "gzip-size": {
+          "version": "4.1.0",
+          "resolved": "https://registry.npmjs.org/gzip-size/-/gzip-size-4.1.0.tgz",
+          "integrity": "sha1-iuCWJX6r59acRb4rZ8RIEk/7UXw=",
+          "dev": true,
+          "requires": {
+            "duplexer": "^0.1.1",
+            "pify": "^3.0.0"
+          }
+        },
+        "pify": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-3.0.0.tgz",
+          "integrity": "sha1-5aSs0sEB/fPZpNB/DbxNtJ3SgXY=",
+          "dev": true
+        }
+      }
+    },
+    "bytes": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.1.0.tgz",
+      "integrity": "sha512-zauLjrfCG+xvoyaqLoV8bLVXXNGC4JqlxFCutSDWA6fJrTo2ZuvLYTqZ7aHBLZSMOopbzwv8f+wZcVzfVTI2Dg==",
+      "dev": true
+    },
     "cache-base": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/cache-base/-/cache-base-1.0.1.tgz",
@@ -2567,6 +2714,32 @@
       "integrity": "sha1-qEq8glpV70yysCi9dOIFpluaSZY=",
       "dev": true
     },
+    "caller-callsite": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/caller-callsite/-/caller-callsite-2.0.0.tgz",
+      "integrity": "sha1-hH4PzgoiN1CpoCfFSzNzGtMVQTQ=",
+      "dev": true,
+      "requires": {
+        "callsites": "^2.0.0"
+      },
+      "dependencies": {
+        "callsites": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/callsites/-/callsites-2.0.0.tgz",
+          "integrity": "sha1-BuuE8A7qQT2oav/vrL/7Ngk7PFA=",
+          "dev": true
+        }
+      }
+    },
+    "caller-path": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/caller-path/-/caller-path-2.0.0.tgz",
+      "integrity": "sha1-Ro+DBE42mrIBD6xfBs7uFbsssfQ=",
+      "dev": true,
+      "requires": {
+        "caller-callsite": "^2.0.0"
+      }
+    },
     "callsites": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/callsites/-/callsites-3.1.0.tgz",
@@ -2660,12 +2833,24 @@
         "upath": "^1.1.1"
       }
     },
+    "chownr": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/chownr/-/chownr-1.1.2.tgz",
+      "integrity": "sha512-GkfeAQh+QNy3wquu9oIZr6SS5x7wGdSgNQvD10X3r+AZr1Oys22HW8kAmDMvNg2+Dm0TeGaEuO8gFwdBXxwO8A==",
+      "dev": true
+    },
     "chunkd": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/chunkd/-/chunkd-1.0.0.tgz",
       "integrity": "sha512-xx3Pb5VF9QaqCotolyZ1ywFBgyuJmu6+9dLiqBxgelEse9Xsr3yUlpoX3O4Oh11M00GT2kYMsRByTKIMJW2Lkg==",
       "dev": true
     },
+    "ci-env": {
+      "version": "1.10.0",
+      "resolved": "https://registry.npmjs.org/ci-env/-/ci-env-1.10.0.tgz",
+      "integrity": "sha512-kXGriGO7hW/uxDviPtUUehSG301RudEHUXNhAHeM5JM7iOSb6+tpXh+YqhcfxdCECvtfMNq0J7laOxAV3NsDng==",
+      "dev": true
+    },
     "ci-info": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/ci-info/-/ci-info-2.0.0.tgz",
@@ -2862,6 +3047,12 @@
         "convert-to-spaces": "^1.0.1"
       }
     },
+    "code-point-at": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/code-point-at/-/code-point-at-1.1.0.tgz",
+      "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c=",
+      "dev": true
+    },
     "collection-visit": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/collection-visit/-/collection-visit-1.0.0.tgz",
@@ -3010,6 +3201,12 @@
         }
       }
     },
+    "console-control-strings": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/console-control-strings/-/console-control-strings-1.1.0.tgz",
+      "integrity": "sha1-PXz0Rk22RG6mRL9LOVB/mFEAjo4=",
+      "dev": true
+    },
     "convert-source-map": {
       "version": "1.6.0",
       "resolved": "https://registry.npmjs.org/convert-source-map/-/convert-source-map-1.6.0.tgz",
@@ -3068,6 +3265,36 @@
       "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=",
       "dev": true
     },
+    "cosmiconfig": {
+      "version": "5.2.1",
+      "resolved": "https://registry.npmjs.org/cosmiconfig/-/cosmiconfig-5.2.1.tgz",
+      "integrity": "sha512-H65gsXo1SKjf8zmrJ67eJk8aIRKV5ff2D4uKZIBZShbhGSpEmsQOPW/SKMKYhSTrqR7ufy6RP69rPogdaPh/kA==",
+      "dev": true,
+      "requires": {
+        "import-fresh": "^2.0.0",
+        "is-directory": "^0.3.1",
+        "js-yaml": "^3.13.1",
+        "parse-json": "^4.0.0"
+      },
+      "dependencies": {
+        "import-fresh": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/import-fresh/-/import-fresh-2.0.0.tgz",
+          "integrity": "sha1-2BNVwVYS04bGH53dOSLUMEgipUY=",
+          "dev": true,
+          "requires": {
+            "caller-path": "^2.0.0",
+            "resolve-from": "^3.0.0"
+          }
+        },
+        "resolve-from": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/resolve-from/-/resolve-from-3.0.0.tgz",
+          "integrity": "sha1-six699nWiBvItuZTM17rywoYh0g=",
+          "dev": true
+        }
+      }
+    },
     "cp-file": {
       "version": "6.2.0",
       "resolved": "https://registry.npmjs.org/cp-file/-/cp-file-6.2.0.tgz",
@@ -3344,12 +3571,24 @@
         }
       }
     },
+    "delegates": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/delegates/-/delegates-1.0.0.tgz",
+      "integrity": "sha1-hMbhWbgZBP3KWaDvRM2HDTElD5o=",
+      "dev": true
+    },
     "detect-file": {
       "version": "1.0.0",
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+    "wide-align": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/wide-align/-/wide-align-1.1.3.tgz",
+      "integrity": "sha512-QGkOQc8XL6Bt5PwnsExKBPuMKBxnGxWWW3fU55Xt4feHozMUhdUMaBCk290qpm/wG5u/RSKzwdAC4i51YigihA==",
+      "dev": true,
+      "requires": {
+        "string-width": "^1.0.2 || 2"
+      },
+      "dependencies": {
+        "ansi-regex": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
+          "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=",
+          "dev": true
+        },
+        "string-width": {
+          "version": "2.1.1",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-2.1.1.tgz",
+          "integrity": "sha512-nOqH59deCq9SRHlxq1Aw85Jnt4w6KvLKqWVik6oA9ZklXLNIOlqg4F2yrT1MVaTjAqvVwdfeZ7w7aCvJD7ugkw==",
+          "dev": true,
+          "requires": {
+            "is-fullwidth-code-point": "^2.0.0",
+            "strip-ansi": "^4.0.0"
+          }
+        },
+        "strip-ansi": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
+          "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
+          "dev": true,
+          "requires": {
+            "ansi-regex": "^3.0.0"
+          }
+        }
+      }
+    },
     "widest-line": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/widest-line/-/widest-line-2.0.1.tgz",
diff --git a/package.json b/package.json
index 13272d97..e1b39ef3 100644
--- a/package.json
+++ b/package.json
@@ -14,8 +14,9 @@
     "test": "test"
   },
   "scripts": {
-    "build": "npm-run-all clean transpile copy-typescript-definition copy-flow-definition",
+    "build": "npm-run-all clean transpile copy-typescript-definition copy-flow-definition copy-intl-package",
     "build:docs": "npm-run-all clean:docs compile:docs minify:docs",
+    "bundlesize": "bundlesize --config config/bundlesize.json",
     "clean": "rm -rf dist/*",
     "clean:docs": "rm -rf docs/build",
     "compile:docs": "npx babel-node --presets=@babel/preset-env ./docs/src/build-docs.js",
@@ -23,6 +24,7 @@
     "coverage:report": "nyc report --reporter=text-lcov | coveralls",
     "copy-typescript-definition": "cp -f src/currency.d.ts dist",
     "copy-flow-definition": "cp -f src/currency.js.flow dist",
+    "copy-intl-package": "cp -f src/intl.package.json intl/package.json",
     "lint": "eslint .",
     "minify:docs": "html-minifier --input-dir ./docs/build --output-dir ./docs/build --file-ext html --collapse-whitespace --decode-entities --minify-css --minify-js",
     "prepare": "npm run build",
@@ -33,7 +35,7 @@
     "transpile:umd": "rollup -c ./config/rollup.umd.js",
     "transpile": "npm-run-all transpile:*",
     "test": "npm-run-all test:typescript test:flow test:js",
-    "test:js": "BABEL_ENV=test ava ./test/test.js",
+    "test:js": "BABEL_ENV=test ava ./test/test.js ./test/test.intl.js --verbose",
     "test:typescript": "tsc -p ./test --noEmit",
     "test:flow": "flow"
   },
@@ -42,7 +44,8 @@
     "url": "git://github.com/scurker/currency.js.git"
   },
   "files": [
-    "dist"
+    "dist",
+    "intl"
   ],
   "typings": "./dist/currency.d.ts",
   "keywords": [
@@ -70,6 +73,7 @@
     "@babel/register": "^7.5.5",
     "@scurker/eslint-config": "^1.1.5",
     "ava": "^2.2.0",
+    "bundlesize": "^0.18.0",
     "cheerio": "^1.0.0-rc.2",
     "eslint": "^6.1.0",
     "flow-bin": "^0.104.0",
diff --git a/src/currency.d.ts b/src/currency.d.ts
index c9753616..e5e90d15 100644
--- a/src/currency.d.ts
+++ b/src/currency.d.ts
@@ -5,6 +5,10 @@ declare namespace currency {
     (value: currency.Any, opts?: currency.Options): currency,
     new (value: currency.Any, opts?: currency.Options): currency
   }
+  interface IntlConstructor {
+    (value: currency.Any, opts?: currency.IntlOptions): currencyIntl,
+    new (value: currency.Any, opts?: currency.IntlOptions): currencyIntl
+  }
   interface Options {
     symbol?: string,
     separator?: string,
@@ -17,6 +21,10 @@ declare namespace currency {
     negativePattern?: string,
     format?: currency.Format
   }
+  interface IntlOptions extends Options {
+    locale?: string;
+    currency?: string;
+  }
 }
 
 declare interface currency {
@@ -34,8 +42,17 @@ declare interface currency {
   readonly value: number;
 }
 
+declare interface currencyIntl extends currency {
+  format(opts?: currency.IntlOptions | currency.Format): string;
+}
+
 declare const currency : currency.Constructor;
+declare const currencyIntl : currency.IntlConstructor;
 
 declare module 'currency.js' {
   export = currency;
+}
+
+declare module 'currency.js/intl' {
+  export = currencyIntl;
 }
\ No newline at end of file
diff --git a/src/currency.intl.js b/src/currency.intl.js
new file mode 100644
index 00000000..52ad2958
--- /dev/null
+++ b/src/currency.intl.js
@@ -0,0 +1,25 @@
+import currency from './currency.js';
+
+function CurrencyIntl(value, opts) {
+  let options = Object.assign({
+      locale: 'auto',
+      currency: 'USD'
+    },
+    opts,
+    {
+      format: (currency, options) => {
+        return new Intl.NumberFormat(
+          options.locale === 'auto' && navigator ? navigator.language : options.locale || 'en-us',
+          {
+            style: 'currency',
+            currency: options.currency
+          }
+        ).format(currency.value);
+      }
+    }
+  );
+
+  return currency(value, options);
+}
+
+export default CurrencyIntl;
\ No newline at end of file
diff --git a/src/currency.js.flow b/src/currency.js.flow
index 68774da5..73c10af0 100644
--- a/src/currency.js.flow
+++ b/src/currency.js.flow
@@ -3,6 +3,8 @@ declare type $currency$any = number | string | currency;
 
 declare type formatFunction = (currency: currency, options: $currency$opts) => string;
 
+declare type intlFormatFunction = (currency: currency, options: $currency$intlOpts) => string;
+
 declare type $currency$opts = {
   symbol?: string,
   separator?: string,
@@ -16,9 +18,14 @@ declare type $currency$opts = {
   format?: formatFunction
 }
 
+declare type $currency$intlOpts = $currency$opts & {
+  locale?: string,
+  currency?: string
+}
+
 declare class currency {
-  static (value: $currency$any, opts?: $currency$opts): currency,
-  constructor(value: $currency$any, opts?: $currency$opts): currency,
+  static (value: $currency$any, opts?: $currency$opts): currency;
+  constructor(value: $currency$any, opts?: $currency$opts): currency;
   add(number: $currency$any): currency;
   subtract(number: $currency$any): currency;
   multiply(number: $currency$any): currency;
@@ -33,4 +40,14 @@ declare class currency {
   +value: number;
 }
 
+declare class currencyIntl extends currency {
+  static (value: $currency$any, opts?: $currency$intlOpts): currencyIntl;
+  constructor(value: $currency$any, opts?: $currency$intlOpts): currencyIntl;
+  // format(options?: $currency$intlOpts | formatFunction): string;
+}
+
 declare module.exports: typeof currency;
+
+declare module "currency.js/intl" {
+  declare module.exports: typeof currencyIntl;
+}
diff --git a/src/intl.package.json b/src/intl.package.json
new file mode 100644
index 00000000..84444830
--- /dev/null
+++ b/src/intl.package.json
@@ -0,0 +1,8 @@
+{
+  "name": "currency-js-intl",
+  "private": true,
+  "main": "intl/currency.js",
+  "module": "intl/currency.es.js",
+  "browser": "intl/currency.min.js",
+  "types": "../dist/currency.d.ts",
+}
\ No newline at end of file
diff --git a/test/test.flow.js b/test/test.flow.js
index 340b883e..0293c365 100644
--- a/test/test.flow.js
+++ b/test/test.flow.js
@@ -1,7 +1,9 @@
 // @flow
 import currency from '../src/currency.js';
+// import currencyIntl from 'currency.js/intl';
 
 const currencyInstance: currency = currency(1.23);
+// const currencyIntlInstance: currencyIntl = currencyIntl(1.23);
 
 // default uses
 new currency(1.23);
diff --git a/test/test.intl.js b/test/test.intl.js
new file mode 100644
index 00000000..a570a24a
--- /dev/null
+++ b/test/test.intl.js
@@ -0,0 +1,56 @@
+import test from 'ava';
+import sinon, { spy, stub } from 'sinon';
+import currency from '../src/currency.intl';
+
+let intlSpy, formatSpy;
+
+test.beforeEach(() => {
+  formatSpy = spy();
+  // eslint-disable-next-line no-empty-function
+  global.Intl.NumberFormat = () => {};
+  global.navigator = { language: 'en-us' };
+  intlSpy = stub(global.Intl, 'NumberFormat').returns({ format: formatSpy });
+});
+
+test.afterEach(() => {
+  sinon.reset();
+});
+
+test.serial('should use Intl.NumberFormat for formatting', t => {
+  currency(123.45).format();
+  t.true(intlSpy.called);
+  t.true(formatSpy.called);
+});
+
+test.serial('should pass currency as default style', t => {
+  currency(123.45).format();
+  t.true(intlSpy.calledWithMatch('en-us', { style: 'currency' }));
+});
+
+test.serial('should autodetect locale', t => {
+  global.navigator = { language: 'en-gb' };
+  currency(123.45).format();
+  t.true(intlSpy.calledWithMatch('en-gb'));
+});
+
+test.serial('should use currency options locale', t => {
+  global.navigator = { language: 'en-us' };
+  currency(123.45, { locale: 'en-gb' }).format();
+  t.true(intlSpy.calledWithMatch('en-gb'));
+});
+
+test.serial('should use format options locale', t => {
+  global.navigator = { language: 'en-us' };
+  currency(123.45).format({ locale: 'en-gb' });
+  t.true(intlSpy.calledWithMatch('en-gb'));
+});
+
+test.serial('should use currency options currency', t => {
+  currency(123.45, { currency: 'EUR' }).format();
+  t.true(intlSpy.calledWithMatch('en-us', { currency: 'EUR' }));
+});
+
+test.serial('should use format options currency', t => {
+  currency(123.45).format({ currency: 'EUR' });
+  t.true(intlSpy.calledWithMatch('en-us', { currency: 'EUR' }));
+});
diff --git a/test/test.ts b/test/test.ts
index 3421f5f6..e62e4318 100644
--- a/test/test.ts
+++ b/test/test.ts
@@ -1,4 +1,5 @@
 import currency from 'currency.js';
+import currencyIntl from 'currency.js/intl';
 import * as namedCurrency from 'currency.js';
 import interopCurrency = require('currency.js');
 
@@ -14,6 +15,14 @@ currency(1.23);
 currency('1.23');
 currency(currencyInstance);
 
+// intl uses
+new currencyIntl(1.23);
+new currencyIntl('1.23');
+new currencyIntl(currencyInstance);
+currencyIntl(1.23);
+currencyIntl('1.23');
+currencyIntl(currencyInstance);
+
 // options
 currency(1.23, {});
 currency(1.23, {
@@ -29,6 +38,10 @@ currency(1.23, {
   format: (currency: currency, options: currency.Options) => '1.23'
 });
 
+// intl options
+currencyIntl(1.23, { locale: 'en-us', currency: 'USD' })
+currencyIntl(1.23).format({ locale: 'en-us', currency: 'USD' })
+
 // add
 currencyInstance.add(1.23);
 currencyInstance.add('1.23');