diff --git a/sdk/search/search-documents/package.json b/sdk/search/search-documents/package.json
index cd3e9b5cb0b1..55edddb2e22a 100644
--- a/sdk/search/search-documents/package.json
+++ b/sdk/search/search-documents/package.json
@@ -41,7 +41,8 @@
     "LICENSE"
   ],
   "browser": {
-    "./dist-esm/src/base64.js": "./dist-esm/src/base64.browser.js"
+    "./dist-esm/src/base64.js": "./dist-esm/src/base64.browser.js",
+    "./dist-esm/src/synonymMapHelper.js": "./dist-esm/src/synonymMapHelper.browser.js"
   },
   "//metadata": {
     "constantPaths": [
diff --git a/sdk/search/search-documents/review/search-documents.api.md b/sdk/search/search-documents/review/search-documents.api.md
index 098ca8905f01..00a80e61d659 100644
--- a/sdk/search/search-documents/review/search-documents.api.md
+++ b/sdk/search/search-documents/review/search-documents.api.md
@@ -288,6 +288,9 @@ export interface CreateOrUpdateSynonymMapOptions extends OperationOptions {
 // @public
 export type CreateSkillsetOptions = OperationOptions;
 
+// @public
+export function createSynonymMapFromFile(name: string, filePath: string): Promise<SynonymMap>;
+
 // @public
 export type CreateSynonymMapOptions = OperationOptions;
 
diff --git a/sdk/search/search-documents/src/index.ts b/sdk/search/search-documents/src/index.ts
index 85fa534379b3..d683c36da059 100644
--- a/sdk/search/search-documents/src/index.ts
+++ b/sdk/search/search-documents/src/index.ts
@@ -301,3 +301,4 @@ export {
   SearchIndexerKnowledgeStoreTableProjectionSelector
 } from "./generated/service/models";
 export { AzureKeyCredential } from "@azure/core-auth";
+export { createSynonymMapFromFile } from "./synonymMapHelper";
diff --git a/sdk/search/search-documents/src/synonymMapHelper.browser.ts b/sdk/search/search-documents/src/synonymMapHelper.browser.ts
new file mode 100644
index 000000000000..21157bdb866c
--- /dev/null
+++ b/sdk/search/search-documents/src/synonymMapHelper.browser.ts
@@ -0,0 +1,19 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT license.
+
+import { SynonymMap } from "./serviceModels";
+
+/**
+ * Helper method to create a SynonymMap object. This is a NodeJS only method.
+ * Will throw an error for browser.
+ *
+ * @param _name - Name of the SynonymMap.
+ * @param _filePath - Path of the file that contains the Synonyms (seperated by new lines)
+ * @returns SynonymMap object
+ */
+export async function createSynonymMapFromFile(
+  _name: string,
+  _filePath: string
+): Promise<SynonymMap> {
+  throw new Error("Not implemented for browser.");
+}
diff --git a/sdk/search/search-documents/src/synonymMapHelper.ts b/sdk/search/search-documents/src/synonymMapHelper.ts
new file mode 100644
index 000000000000..a01bf5f58f6d
--- /dev/null
+++ b/sdk/search/search-documents/src/synonymMapHelper.ts
@@ -0,0 +1,30 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT license.
+
+import { SynonymMap } from "./serviceModels";
+import { promisify } from "util";
+import * as fs from "fs";
+const readFileAsync = promisify(fs.readFile);
+
+/**
+ * Helper method to create a SynonymMap object. This is a NodeJS only method.
+ *
+ * @param name - Name of the SynonymMap.
+ * @param filePath - Path of the file that contains the Synonyms (seperated by new lines)
+ * @returns SynonymMap object
+ */
+export async function createSynonymMapFromFile(
+  name: string,
+  filePath: string
+): Promise<SynonymMap> {
+  const synonyms: string[] = (await readFileAsync(filePath, "utf-8"))
+    .replace(/\r/g, "")
+    .split("\n")
+    .map((line) => line.trim())
+    .filter(Boolean);
+
+  return {
+    name,
+    synonyms
+  };
+}
diff --git a/sdk/search/search-documents/test/internal/browser/synonymMap.browser.spec.ts b/sdk/search/search-documents/test/internal/browser/synonymMap.browser.spec.ts
new file mode 100644
index 000000000000..fc1d7a7a135c
--- /dev/null
+++ b/sdk/search/search-documents/test/internal/browser/synonymMap.browser.spec.ts
@@ -0,0 +1,17 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT license.
+
+import { assert } from "chai";
+import { createSynonymMapFromFile } from "../../../src/synonymMapHelper.browser";
+
+describe("synonymmap", () => {
+  it("create synonymmap from file(browser)", async function() {
+    let errorThrown = false;
+    try {
+      await createSynonymMapFromFile("my-synonym-map-1", "./test/internal/synonymMap.txt");
+    } catch (ex) {
+      errorThrown = true;
+    }
+    assert.isTrue(errorThrown, "Expected createSynonymMapFromFile to fail with an exception");
+  });
+});
diff --git a/sdk/search/search-documents/test/internal/node/synonymMap.node.spec.ts b/sdk/search/search-documents/test/internal/node/synonymMap.node.spec.ts
new file mode 100644
index 000000000000..66b613005365
--- /dev/null
+++ b/sdk/search/search-documents/test/internal/node/synonymMap.node.spec.ts
@@ -0,0 +1,19 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT license.
+
+import { assert } from "chai";
+import { createSynonymMapFromFile } from "../../../src";
+import { SynonymMap } from "../../../src/serviceModels";
+
+describe("synonymmap", () => {
+  it("create synonymmap from file(node)", async function() {
+    const synonymMap: SynonymMap = await createSynonymMapFromFile(
+      "my-synonym-map-1",
+      "./test/internal/synonymMap.txt"
+    );
+    assert.equal(synonymMap.name, "my-synonym-map-1");
+    assert.equal(synonymMap.synonyms.length, 2);
+    assert.equal(synonymMap.synonyms[0], "United States, United States of America => USA");
+    assert.equal(synonymMap.synonyms[1], "Washington, Wash. => WA");
+  });
+});
diff --git a/sdk/search/search-documents/test/internal/synonymMap.txt b/sdk/search/search-documents/test/internal/synonymMap.txt
new file mode 100644
index 000000000000..c81a921ed614
--- /dev/null
+++ b/sdk/search/search-documents/test/internal/synonymMap.txt
@@ -0,0 +1,2 @@
+United States, United States of America => USA
+Washington, Wash. => WA