diff --git a/web/src/app/browser/src/configuration.ts b/web/src/app/browser/src/configuration.ts
index 0b01bbe130..f76184dbd3 100644
--- a/web/src/app/browser/src/configuration.ts
+++ b/web/src/app/browser/src/configuration.ts
@@ -2,7 +2,7 @@ import { EngineConfiguration, InitOptionSpec, InitOptionDefaults } from "keyman/
 
 import { OutputTargetElementWrapper as DOMOutputTarget } from 'keyman/engine/element-wrappers';
 import { OutputTargetInterface, ProcessorAction } from 'keyman/engine/keyboard';
-import { isEmptyTransform } from 'keyman/engine/js-processor';
+import { isEmptyTransform } from '@keymanapp/web-utils';
 import { AlertHost } from "./utils/alertHost.js";
 import { whenDocumentReady } from "./utils/documentReady.js";
 
diff --git a/web/src/app/webview/src/contextManager.ts b/web/src/app/webview/src/contextManager.ts
index b2c52de00e..bb8253587c 100644
--- a/web/src/app/webview/src/contextManager.ts
+++ b/web/src/app/webview/src/contextManager.ts
@@ -1,11 +1,11 @@
 import { JSKeyboard, Keyboard, OutputTargetInterface, Transcription, TextTransform } from 'keyman/engine/keyboard';
 // TODO-web-core: remove usage of OutputTargetBase, use OutputTargetInterface instead
-import { Mock, findCommonSubstringEndIndex, isEmptyTransform, OutputTargetBase } from 'keyman/engine/js-processor';
+import { Mock, findCommonSubstringEndIndex, OutputTargetBase } from 'keyman/engine/js-processor';
 import { KeyboardStub } from 'keyman/engine/keyboard-storage';
 import { ContextManagerBase } from 'keyman/engine/main';
 import { WebviewConfiguration } from './configuration.js';
 import { LexicalModelTypes } from '@keymanapp/common-types';
-import { KMWString } from '@keymanapp/web-utils';
+import { KMWString, isEmptyTransform } from '@keymanapp/web-utils';
 
 export type OnInsertTextFunc = (deleteLeft: number, text: string, deleteRight: number) => void;
 
diff --git a/web/src/engine/common/web-utils/build.sh b/web/src/engine/common/web-utils/build.sh
index 23d38cb952..69b08cb275 100755
--- a/web/src/engine/common/web-utils/build.sh
+++ b/web/src/engine/common/web-utils/build.sh
@@ -22,6 +22,7 @@ BUNDLE_CMD="node ${KEYMAN_ROOT}/web/src/tools/es-bundling/build/common-bundle.mj
 builder_describe \
   "Compiles the web-oriented utility function module." \
   "@/common/web/keyman-version" \
+  "@/common/web/types" \
   "@/web/src/tools/es-bundling" \
   clean configure build test
 
diff --git a/web/src/engine/common/web-utils/package.json b/web/src/engine/common/web-utils/package.json
index 557878d43e..1df1836f75 100644
--- a/web/src/engine/common/web-utils/package.json
+++ b/web/src/engine/common/web-utils/package.json
@@ -29,6 +29,9 @@
     "c8": "^7.12.0",
     "typescript": "^5.4.5"
   },
+  "dependencies": {
+    "@keymanapp/common-types": "*"
+  },
   "type": "module",
   "paths": {
     "@keymanapp/keyman-version": "*"
diff --git a/web/src/engine/common/web-utils/src/index.ts b/web/src/engine/common/web-utils/src/index.ts
index 30f4821590..343e1486e6 100644
--- a/web/src/engine/common/web-utils/src/index.ts
+++ b/web/src/engine/common/web-utils/src/index.ts
@@ -23,6 +23,8 @@ export { default as TimeoutPromise, timedPromise } from "./timeoutPromise.js";
 
 export { default as PriorityQueue, QueueComparator } from "./priority-queue.js"
 
+export { isEmptyTransform } from './isEmptyTransform.js';
+
 // // Uncomment the following line and run the bundled output to verify successful
 // // esbuild bundling of this submodule:
 // console.log(Version.CURRENT.toString());
diff --git a/web/src/engine/common/web-utils/src/isEmptyTransform.ts b/web/src/engine/common/web-utils/src/isEmptyTransform.ts
new file mode 100644
index 0000000000..db48d1d7c5
--- /dev/null
+++ b/web/src/engine/common/web-utils/src/isEmptyTransform.ts
@@ -0,0 +1,10 @@
+import { LexicalModelTypes } from '@keymanapp/common-types';
+
+// Also relies on string-extensions provided by the web-utils package.
+
+export function isEmptyTransform(transform: LexicalModelTypes.Transform) {
+  if (!transform) {
+    return true;
+  }
+  return transform.insert === '' && transform.deleteLeft === 0 && (transform.deleteRight ?? 0) === 0;
+}
diff --git a/web/src/engine/js-processor/src/outputTargetBase.ts b/web/src/engine/js-processor/src/outputTargetBase.ts
index eca7c6766a..a5ed2c2227 100644
--- a/web/src/engine/js-processor/src/outputTargetBase.ts
+++ b/web/src/engine/js-processor/src/outputTargetBase.ts
@@ -8,15 +8,6 @@ import { type KeyEvent } from 'keyman/engine/keyboard';
 import { Deadkey, DeadkeyTracker } from "./deadkeys.js";
 import { LexicalModelTypes } from '@keymanapp/common-types';
 
-// Also relies on string-extensions provided by the web-utils package.
-
-export function isEmptyTransform(transform: LexicalModelTypes.Transform) {
-  if(!transform) {
-    return true;
-  }
-  return transform.insert === '' && transform.deleteLeft === 0 && (transform.deleteRight ?? 0) === 0;
-}
-
 export abstract class OutputTargetBase implements OutputTargetInterface {
   private _dks: DeadkeyTracker;
 
diff --git a/web/src/engine/main/src/headless/inputProcessor.ts b/web/src/engine/main/src/headless/inputProcessor.ts
index 90ce1787b2..70a0f8105f 100644
--- a/web/src/engine/main/src/headless/inputProcessor.ts
+++ b/web/src/engine/main/src/headless/inputProcessor.ts
@@ -3,7 +3,7 @@
 import ContextWindow from "./contextWindow.js";
 import { LanguageProcessor }  from "./languageProcessor.js";
 import type { ModelSpec, PathConfiguration }  from "keyman/engine/interfaces";
-import { globalObject, DeviceSpec } from "@keymanapp/web-utils";
+import { globalObject, DeviceSpec, isEmptyTransform } from "@keymanapp/web-utils";
 
 import { KM_Core } from 'keyman/engine/core-processor';
 
@@ -20,7 +20,6 @@ import {
 } from "keyman/engine/keyboard";
 // TODO-web-core: remove usage of OutputTargetBase
 import {
-  isEmptyTransform,
   JSKeyboardProcessor,
   Mock,
   type ProcessorInitOptions,
diff --git a/web/src/engine/osk/src/visualKeyboard.ts b/web/src/engine/osk/src/visualKeyboard.ts
index 6985edf192..124fedfcfc 100644
--- a/web/src/engine/osk/src/visualKeyboard.ts
+++ b/web/src/engine/osk/src/visualKeyboard.ts
@@ -15,7 +15,7 @@ import {
   timedPromise,
   ActiveKeyBase
 } from 'keyman/engine/keyboard';
-import { isEmptyTransform } from 'keyman/engine/js-processor';
+import { isEmptyTransform } from '@keymanapp/web-utils';
 
 import { buildCorrectiveLayout } from './correctionLayout.js';
 import { distributionFromDistanceMaps, keyTouchDistances } from './corrections.js';