diff --git a/packages/flutter_tools/lib/src/web/chrome.dart b/packages/flutter_tools/lib/src/web/chrome.dart
index 710f5048b57..3314a803fcc 100644
--- a/packages/flutter_tools/lib/src/web/chrome.dart
+++ b/packages/flutter_tools/lib/src/web/chrome.dart
@@ -4,6 +4,7 @@
 
 import 'dart:async';
 
+import 'package:collection/collection.dart';
 import 'package:meta/meta.dart';
 import 'package:process/process.dart';
 import 'package:webkit_inspection_protocol/webkit_inspection_protocol.dart' hide StackTrace;
@@ -145,6 +146,31 @@ class ChromiumLauncher {
   /// The executable this launcher will use.
   String findExecutable() => _browserFinder(_platform, _fileSystem);
 
+  /// Creates a user data directory for Chrome based on provided flags or creates a temporary one.
+  ///
+  /// This method handles the creation of Chrome's user data directory in two ways:
+  /// 1. If webBrowserFlags contains a --user-data-dir flag, it uses that directory
+  /// 2. Otherwise, it creates a temporary directory in the system's temp location
+  ///
+  /// The user data directory is where Chrome stores user preferences, cookies,
+  /// and other session data. Using a temporary directory ensures a clean state
+  /// for each launch, while allowing custom directories through flags for
+  /// persistent configurations.
+  Directory _createUserDataDirectory(List<String> webBrowserFlags) {
+    if (webBrowserFlags.isNotEmpty) {
+      final String? userDataDirFlag = webBrowserFlags.firstWhereOrNull(
+        (String flag) => flag.startsWith('--user-data-dir='),
+      );
+
+      if (userDataDirFlag != null) {
+        final Directory userDataDir = _fileSystem.directory(userDataDirFlag.split('=')[1]);
+        webBrowserFlags.remove(userDataDirFlag);
+        return userDataDir;
+      }
+    }
+    return _fileSystem.systemTempDirectory.createTempSync('flutter_tools_chrome_device.');
+  }
+
   /// Launch a Chromium browser to a particular `host` page.
   ///
   /// [headless] defaults to false, and controls whether we open a headless or
@@ -189,9 +215,7 @@ class ChromiumLauncher {
       }
     }
 
-    final Directory userDataDir = _fileSystem.systemTempDirectory.createTempSync(
-      'flutter_tools_chrome_device.',
-    );
+    final Directory userDataDir = _createUserDataDirectory(webBrowserFlags);
 
     if (cacheDir != null) {
       // Seed data dir with previous state.
diff --git a/packages/flutter_tools/test/web.shard/chrome_test.dart b/packages/flutter_tools/test/web.shard/chrome_test.dart
index c1a5a871be9..12ed6bed7c1 100644
--- a/packages/flutter_tools/test/web.shard/chrome_test.dart
+++ b/packages/flutter_tools/test/web.shard/chrome_test.dart
@@ -931,6 +931,30 @@ void main() {
       await chrome.close();
     },
   );
+
+  testWithoutContext('respects custom user data directory flag', () async {
+    const String customUserDataDir = '/custom/chrome/data/dir';
+    processManager.addCommand(
+      const FakeCommand(
+        command: <String>[
+          'example_chrome',
+          '--user-data-dir=$customUserDataDir',
+          '--remote-debugging-port=12345',
+          ...kChromeArgs,
+          'example_url',
+        ],
+        stderr: kDevtoolsStderr,
+      ),
+    );
+
+    await expectReturnsNormallyLater(
+      chromeLauncher.launch(
+        'example_url',
+        skipCheck: true,
+        webBrowserFlags: <String>['--user-data-dir=$customUserDataDir'],
+      ),
+    );
+  });
 }
 
 /// Fake chrome connection that fails to get tabs a few times.