diff --git a/.nvmrc b/.nvmrc
new file mode 100644
index 00000000..3c032078
--- /dev/null
+++ b/.nvmrc
@@ -0,0 +1 @@
+18
diff --git a/lib/environment/browser.js b/lib/environment/browser.js
new file mode 100644
index 00000000..acc7209c
--- /dev/null
+++ b/lib/environment/browser.js
@@ -0,0 +1,5 @@
+/* eslint-env browser */
+"use strict";
+
+exports.environment = "browser";
+exports.getCwd = () => location.origin + location.pathname;
diff --git a/lib/environment/index.js b/lib/environment/index.js
new file mode 100644
index 00000000..dc863685
--- /dev/null
+++ b/lib/environment/index.js
@@ -0,0 +1,23 @@
+"use strict";
+
+exports.env = {
+  platform: "unknown",
+  environment: "unknown",
+  getEnvironment () {
+    return this.environment;
+  },
+  setEnvironment (newEnvironment) {
+    this.environment = newEnvironment;
+  },
+  getCwd () {
+    return "/";
+  },
+  isBrowser () {
+    return this.environment === "browser";
+  },
+  TextDecoder: globalThis.TextDecoder || class {
+    constructor () {
+      throw new Error("TextDecoder not available");
+    }
+  }
+};
diff --git a/lib/environment/node.js b/lib/environment/node.js
new file mode 100644
index 00000000..ff395dfc
--- /dev/null
+++ b/lib/environment/node.js
@@ -0,0 +1,10 @@
+"use strict";
+
+const { cwd: processCwd, platform } = require("process");
+
+exports.environment = "node";
+exports.platform = platform;
+
+exports.getCwd = () => processCwd();
+
+exports.TextDecoder = globalThis.TextDecoder || require("util").TextDecoder;
diff --git a/lib/index.browser.js b/lib/index.browser.js
new file mode 100644
index 00000000..b5c550eb
--- /dev/null
+++ b/lib/index.browser.js
@@ -0,0 +1,8 @@
+"use strict";
+
+const browser = require("./environment/browser.js");
+const { env } = require("./environment/index.js");
+
+Object.assign(env, browser);
+
+module.exports = require("./index.js");
diff --git a/lib/index.d.ts b/lib/index.d.ts
index eda46b83..274752a4 100644
--- a/lib/index.d.ts
+++ b/lib/index.d.ts
@@ -501,4 +501,12 @@ declare namespace $RefParser {
     public readonly name = "InvalidPointerError";
     public readonly code ="EINVALIDPOINTER";
   }
+
+  export const env: {
+    readonly platform: string;
+    readonly environment: string;
+    getCwd(): string;
+    setEnvironment(newEnv: string): void;
+    getEnvironment(): string;
+  };
 }
diff --git a/lib/index.js b/lib/index.js
index 9db08771..aea52ee1 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -13,6 +13,7 @@ const maybe = require("call-me-maybe");
 const { ono } = require("@jsdevtools/ono");
 
 module.exports = $RefParser;
+module.exports.env = require("./environment/index.js").env;
 module.exports.default = $RefParser;
 module.exports.JSONParserError = JSONParserError;
 module.exports.JSONParserErrorGroup = JSONParserErrorGroup;
diff --git a/lib/index.node.js b/lib/index.node.js
new file mode 100644
index 00000000..e26ebddb
--- /dev/null
+++ b/lib/index.node.js
@@ -0,0 +1,8 @@
+"use strict";
+
+const node = require("./environment/node.js");
+const { env } = require("./environment/index.js");
+
+Object.assign(env, node);
+
+module.exports = require("./index.js");
diff --git a/lib/parsers/json.js b/lib/parsers/json.js
index b45647ac..bb3df0b4 100644
--- a/lib/parsers/json.js
+++ b/lib/parsers/json.js
@@ -1,9 +1,7 @@
 "use strict";
 
-const { ParserError } = require("../util/errors");
-const TextDecoder = require("../util/text-decoder");
-
-const decoder = new TextDecoder();
+const { ParserError } = require("../util/errors.js");
+const { env } = require("../environment/index.js");
 
 module.exports = {
   /**
@@ -42,6 +40,7 @@ module.exports = {
   async parse (file) {      // eslint-disable-line require-await
     let data = file.data;
     if (ArrayBuffer.isView(data)) {
+      let decoder = new env.TextDecoder();
       data = decoder.decode(data);
     }
 
diff --git a/lib/parsers/text.js b/lib/parsers/text.js
index f28fea51..1918cb34 100644
--- a/lib/parsers/text.js
+++ b/lib/parsers/text.js
@@ -1,7 +1,7 @@
 "use strict";
 
-const { ParserError } = require("../util/errors");
-const TextDecoder = require("../util/text-decoder");
+const { ParserError } = require("../util/errors.js");
+const { env } = require("../environment/index.js");
 
 let TEXT_REGEXP = /\.(txt|htm|html|md|xml|js|min|map|css|scss|less|svg)$/i;
 
@@ -58,7 +58,7 @@ module.exports = {
       return file.data;
     }
     else if (ArrayBuffer.isView(file.data)) {
-      let decoder = new TextDecoder(this.encoding);
+      let decoder = new env.TextDecoder(this.encoding);
       return decoder.decode(file.data);
     }
     else {
diff --git a/lib/parsers/yaml.js b/lib/parsers/yaml.js
index b2c78fce..f00915c1 100644
--- a/lib/parsers/yaml.js
+++ b/lib/parsers/yaml.js
@@ -1,10 +1,8 @@
 "use strict";
 
-const { ParserError } = require("../util/errors");
-const TextDecoder = require("../util/text-decoder");
 const yaml = require("@stoplight/yaml");
-
-const decoder = new TextDecoder();
+const { ParserError } = require("../util/errors.js");
+const { env } = require("../environment/index.js");
 
 module.exports = {
   /**
@@ -43,6 +41,7 @@ module.exports = {
   async parse (file) {      // eslint-disable-line require-await
     let data = file.data;
     if (ArrayBuffer.isView(data)) {
+      let decoder = new env.TextDecoder();
       data = decoder.decode(data);
     }
 
diff --git a/lib/resolvers/http.js b/lib/resolvers/http.js
index 31a91d08..f2b34311 100644
--- a/lib/resolvers/http.js
+++ b/lib/resolvers/http.js
@@ -3,6 +3,7 @@
 const { ono } = require("@jsdevtools/ono");
 const url = require("../util/url");
 const { ResolverError } = require("../util/errors");
+const { env } = require("../environment/index.js");
 
 module.exports = {
   /**
@@ -73,7 +74,7 @@ module.exports = {
   read (file) {
     let u = url.parse(file.url);
 
-    if (process.browser && !u.protocol) {
+    if (env.isBrowser() && !u.protocol) {
       // Use the protocol of the current page
       u.protocol = url.parse(location.href).protocol;
     }
@@ -115,7 +116,7 @@ async function download (u, httpOptions, redirects) {
     credentials: httpOptions.withCredentials ? "include" : "omit",
     signal: controller.signal,
     // browser fetch API does not support redirects https://fetch.spec.whatwg.org/#atomic-http-redirect-handling
-    redirect: process.browser
+    redirect: env.isBrowser()
       ? "follow"
       : httpOptions.redirects === 0
         ? "error"
diff --git a/lib/util/text-decoder.js b/lib/util/text-decoder.js
deleted file mode 100644
index e3dd01ed..00000000
--- a/lib/util/text-decoder.js
+++ /dev/null
@@ -1,5 +0,0 @@
-"use strict";
-
-const { TextDecoder: NodeTextDecoder } = require("fastestsmallesttextencoderdecoder");
-
-module.exports = typeof TextDecoder === "undefined" ? NodeTextDecoder : TextDecoder;
diff --git a/lib/util/url.js b/lib/util/url.js
index d77763bd..5e0871d2 100644
--- a/lib/util/url.js
+++ b/lib/util/url.js
@@ -1,7 +1,8 @@
 "use strict";
 
-let isWindows = /^win/.test(process.platform),
-    forwardSlashPattern = /\//g,
+const { env } = require("../environment/index.js");
+
+let forwardSlashPattern = /\//g,
     protocolPattern = /^(\w{2,}):\/\//i,
     url = module.exports,
     slash = /\//g,
@@ -36,11 +37,11 @@ exports.resolve = require("url").resolve;
  * @returns {string}
  */
 exports.cwd = function cwd () {
-  if (process.browser) {
-    return location.href;
+  if (env.isBrowser()) {
+    return env.getCwd();
   }
 
-  let path = process.cwd();
+  let path = env.getCwd();
 
   let lastChar = path.slice(-1);
   if (lastChar === "/" || lastChar === "\\") {
@@ -121,7 +122,7 @@ exports.isHttp = function isHttp (path) {
   }
   else if (protocol === undefined) {
     // There is no protocol.  If we're running in a browser, then assume it's HTTP.
-    return process.browser;
+    return env.isBrowser();
   }
   else {
     // It's some other protocol, such as "ftp://", "mongodb://", etc.
@@ -137,7 +138,7 @@ exports.isHttp = function isHttp (path) {
  * @returns {boolean}
  */
 exports.isFileSystemPath = function isFileSystemPath (path) {
-  if (process.browser) {
+  if (env.isBrowser()) {
     // We're running in a browser, so assume that all paths are URLs.
     // This way, even relative paths will be treated as URLs rather than as filesystem paths
     return false;
@@ -166,7 +167,7 @@ exports.isFileSystemPath = function isFileSystemPath (path) {
 exports.fromFileSystemPath = function fromFileSystemPath (path) {
   // Step 1: On Windows, replace backslashes with forward slashes,
   // rather than encoding them as "%5C"
-  if (isWindows) {
+  if (isWindows()) {
     path = path.replace(/\\/g, "/");
   }
 
@@ -222,12 +223,12 @@ exports.toFileSystemPath = function toFileSystemPath (path, keepFileProtocol) {
       // On Windows, it will start with something like "C:/".
       // On Posix, it will start with "/"
       isFileUrl = false;
-      path = isWindows ? path : "/" + path;
+      path = isWindows() ? path : "/" + path;
     }
   }
 
   // Step 4: Normalize Windows paths (unless it's a "file://" URL)
-  if (isWindows && !isFileUrl) {
+  if (isWindows() && !isFileUrl) {
     // Replace forward slashes with backslashes
     path = path.replace(forwardSlashPattern, "\\");
 
@@ -280,3 +281,7 @@ exports.safePathToPointer = function safePointerToPath (path) {
     })
     .join("/")}`;
 };
+
+function isWindows () {
+  return env.platform.startsWith("win");
+}
diff --git a/package-lock.json b/package-lock.json
index b88a9dd7..0552331f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,7 +13,6 @@
         "@stoplight/path": "^1.3.2",
         "@stoplight/yaml": "^4.0.2",
         "call-me-maybe": "^1.0.1",
-        "fastestsmallesttextencoderdecoder": "^1.0.22",
         "url": "^0.11.3"
       },
       "devDependencies": {
@@ -6442,11 +6441,6 @@
       "integrity": "sha1-PYpcZog6FqMMqGQ+hR8Zuqd5eRc=",
       "dev": true
     },
-    "node_modules/fastestsmallesttextencoderdecoder": {
-      "version": "1.0.22",
-      "resolved": "https://registry.npmjs.org/fastestsmallesttextencoderdecoder/-/fastestsmallesttextencoderdecoder-1.0.22.tgz",
-      "integrity": "sha512-Pb8d48e+oIuY4MaM64Cd7OW1gt4nxCHs7/ddPPZ/Ic3sg8yVGM7O9wDvZ7us6ScaUupzM+pfBolwtYhN1IxBIw=="
-    },
     "node_modules/fastq": {
       "version": "1.10.1",
       "resolved": "https://registry.npmjs.org/fastq/-/fastq-1.10.1.tgz",
@@ -21366,11 +21360,6 @@
       "integrity": "sha1-PYpcZog6FqMMqGQ+hR8Zuqd5eRc=",
       "dev": true
     },
-    "fastestsmallesttextencoderdecoder": {
-      "version": "1.0.22",
-      "resolved": "https://registry.npmjs.org/fastestsmallesttextencoderdecoder/-/fastestsmallesttextencoderdecoder-1.0.22.tgz",
-      "integrity": "sha512-Pb8d48e+oIuY4MaM64Cd7OW1gt4nxCHs7/ddPPZ/Ic3sg8yVGM7O9wDvZ7us6ScaUupzM+pfBolwtYhN1IxBIw=="
-    },
     "fastq": {
       "version": "1.10.1",
       "resolved": "https://registry.npmjs.org/fastq/-/fastq-1.10.1.tgz",
diff --git a/package.json b/package.json
index 786209d1..ffc12736 100644
--- a/package.json
+++ b/package.json
@@ -28,11 +28,24 @@
     "url": "https://github.com/stoplightio/json-schema-ref-parser.git"
   },
   "license": "MIT",
-  "main": "lib/index.js",
+  "main": "lib/index.node.js",
   "typings": "lib/index.d.ts",
   "browser": {
+    "./lib/index.node.js": "./lib/index.browser.js",
+    "./lib/environment/node.js": "./lib/environment/browser.js",
     "fs": false
   },
+  "exports": {
+    ".": {
+      "types": "./lib/index.d.ts",
+      "browser": "./lib/index.browser.js",
+      "node": "./lib/index.node.js"
+    },
+    "./lib/util/url": "./lib/util/url.js",
+    "./lib/parsers/json": "./lib/parsers/json.js",
+    "./lib/parsers/yaml": "./lib/parsers/yaml.js",
+    "./lib/bundle/stoplight/defaults": "./lib/bundle/stoplight/defaults.js"
+  },
   "files": [
     "lib"
   ],
@@ -81,7 +94,6 @@
     "@stoplight/path": "^1.3.2",
     "@stoplight/yaml": "^4.0.2",
     "call-me-maybe": "^1.0.1",
-    "fastestsmallesttextencoderdecoder": "^1.0.22",
     "url": "^0.11.3"
   }
 }
diff --git a/test/fixtures/polyfill.js b/test/fixtures/polyfill.js
deleted file mode 100644
index 7add5abd..00000000
--- a/test/fixtures/polyfill.js
+++ /dev/null
@@ -1,10 +0,0 @@
-"use strict";
-
-const { host } = require("@jsdevtools/host-environment");
-
-// Load the Babel Polyfills for old browsers.
-// NOTE: It's important that we ONLY do this when needed,
-// to ensure that our code works _without_ polyfills everywhere else
-if (host.browser.IE) {
-  require("@babel/polyfill");
-}
diff --git a/test/specs/callbacks.spec.js b/test/specs/callbacks.spec.js
index ecd43ebb..04bb8785 100644
--- a/test/specs/callbacks.spec.js
+++ b/test/specs/callbacks.spec.js
@@ -1,7 +1,7 @@
 "use strict";
 
 const { expect } = require("chai");
-const $RefParser = require("../../lib");
+const $RefParser = require("../..");
 const helper = require("../utils/helper");
 const path = require("../utils/path");
 const { ParserError } = require("../../lib/util/errors");
diff --git a/test/specs/circular-external-direct/circular-external-direct.spec.js b/test/specs/circular-external-direct/circular-external-direct.spec.js
index 408ec73f..c9fc55bd 100644
--- a/test/specs/circular-external-direct/circular-external-direct.spec.js
+++ b/test/specs/circular-external-direct/circular-external-direct.spec.js
@@ -4,7 +4,7 @@ const chai = require("chai");
 const chaiSubset = require("chai-subset");
 chai.use(chaiSubset);
 const { expect } = chai;
-const $RefParser = require("../../../lib");
+const $RefParser = require("../../..");
 const path = require("../../utils/path");
 const parsedSchema = require("./parsed");
 const dereferencedSchema = require("./dereferenced");
diff --git a/test/specs/empty/empty.spec.js b/test/specs/empty/empty.spec.js
index f3815726..e5564821 100644
--- a/test/specs/empty/empty.spec.js
+++ b/test/specs/empty/empty.spec.js
@@ -1,7 +1,7 @@
 "use strict";
 
 const { expect } = require("chai");
-const $RefParser = require("../../../lib");
+const $RefParser = require("../../..");
 const helper = require("../../utils/helper");
 const path = require("../../utils/path");
 
diff --git a/test/specs/exports.spec.js b/test/specs/exports.spec.js
index 1723f14e..e2063469 100644
--- a/test/specs/exports.spec.js
+++ b/test/specs/exports.spec.js
@@ -75,6 +75,7 @@ describe("json-schema-ref-parser package exports", () => {
   it("should not export anything else", async () => {
     expect(commonJSExport).to.have.same.keys(
       "default",
+      "env",
       "parse",
       "resolve",
       "dereference",
diff --git a/test/specs/http.spec.js b/test/specs/http.spec.js
index ba241af5..5ccb58e7 100644
--- a/test/specs/http.spec.js
+++ b/test/specs/http.spec.js
@@ -4,7 +4,7 @@ const { host } = require("@jsdevtools/host-environment");
 const { expect, use } = require("chai");
 const chai = require("chai");
 const spies = require("chai-spies");
-const $RefParser = require("../../lib");
+const $RefParser = require("../..");
 
 use(spies);
 
diff --git a/test/specs/invalid-pointers/invalid-pointers.js b/test/specs/invalid-pointers/invalid-pointers.js
index bc62d936..4ccdfa7d 100644
--- a/test/specs/invalid-pointers/invalid-pointers.js
+++ b/test/specs/invalid-pointers/invalid-pointers.js
@@ -4,7 +4,7 @@ const chai = require("chai");
 const chaiSubset = require("chai-subset");
 chai.use(chaiSubset);
 const { expect } = chai;
-const $RefParser = require("../../../lib");
+const $RefParser = require("../../..");
 const helper = require("../../utils/helper");
 const path = require("../../utils/path");
 const { JSONParserErrorGroup, InvalidPointerError } = require("../../../lib/util/errors");
diff --git a/test/specs/invalid/invalid.spec.js b/test/specs/invalid/invalid.spec.js
index 56bb8057..33f97398 100644
--- a/test/specs/invalid/invalid.spec.js
+++ b/test/specs/invalid/invalid.spec.js
@@ -5,7 +5,7 @@ const chai = require("chai");
 const chaiSubset = require("chai-subset");
 chai.use(chaiSubset);
 const { expect } = chai;
-const $RefParser = require("../../../lib");
+const $RefParser = require("../../..");
 const helper = require("../../utils/helper");
 const path = require("../../utils/path");
 const { JSONParserErrorGroup, ParserError, ResolverError } = require("../../../lib/util/errors");
diff --git a/test/specs/missing-pointers/missing-pointers.spec.js b/test/specs/missing-pointers/missing-pointers.spec.js
index 92b0d829..dbcbc9c6 100644
--- a/test/specs/missing-pointers/missing-pointers.spec.js
+++ b/test/specs/missing-pointers/missing-pointers.spec.js
@@ -4,7 +4,7 @@ const chai = require("chai");
 const chaiSubset = require("chai-subset");
 chai.use(chaiSubset);
 const { expect } = chai;
-const $RefParser = require("../../../lib");
+const $RefParser = require("../../..");
 const { JSONParserErrorGroup, MissingPointerError } = require("../../../lib/util/errors");
 const helper = require("../../utils/helper");
 
diff --git a/test/specs/parsers/parsers.spec.js b/test/specs/parsers/parsers.spec.js
index 5c790377..9b8cef86 100644
--- a/test/specs/parsers/parsers.spec.js
+++ b/test/specs/parsers/parsers.spec.js
@@ -10,7 +10,6 @@ const path = require("../../utils/path");
 const parsedSchema = require("./parsed");
 const dereferencedSchema = require("./dereferenced");
 const { JSONParserErrorGroup, ParserError, UnmatchedParserError } = require("../../../lib/util/errors");
-const TextDecoder = require("../../../lib/util/text-decoder");
 
 describe("References to non-JSON files", () => {
   it("should parse successfully", async () => {
diff --git a/test/specs/refs.spec.js b/test/specs/refs.spec.js
index b4dad876..139120d0 100644
--- a/test/specs/refs.spec.js
+++ b/test/specs/refs.spec.js
@@ -2,7 +2,7 @@
 
 const { host } = require("@jsdevtools/host-environment");
 const { expect } = require("chai");
-const $RefParser = require("../../lib");
+const $RefParser = require("../..");
 const helper = require("../utils/helper");
 const path = require("../utils/path");
 const parsedSchema = require("./external/parsed");