diff --git a/src/vs/base/browser/dom.ts b/src/vs/base/browser/dom.ts
index 42fc0969568..522986d937a 100644
--- a/src/vs/base/browser/dom.ts
+++ b/src/vs/base/browser/dom.ts
@@ -1869,32 +1869,6 @@ export function safeInnerHtml(node: HTMLElement, value: string, extraDomPurifyCo
 	}
 }
 
-/**
- * Convert a Unicode string to a string in which each 16-bit unit occupies only one byte
- *
- * From https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope/btoa
- */
-function toBinary(str: string): string {
-	const codeUnits = new Uint16Array(str.length);
-	for (let i = 0; i < codeUnits.length; i++) {
-		codeUnits[i] = str.charCodeAt(i);
-	}
-	let binary = '';
-	const uint8array = new Uint8Array(codeUnits.buffer);
-	for (let i = 0; i < uint8array.length; i++) {
-		binary += String.fromCharCode(uint8array[i]);
-	}
-	return binary;
-}
-
-/**
- * Version of the global `btoa` function that handles multi-byte characters instead
- * of throwing an exception.
- */
-export function multibyteAwareBtoa(str: string): string {
-	return btoa(toBinary(str));
-}
-
 type ModifierKey = 'alt' | 'ctrl' | 'shift' | 'meta';
 
 export interface IModifierKeyStatus {
diff --git a/src/vs/base/common/strings.ts b/src/vs/base/common/strings.ts
index 5d4d135ca89..58f94f52efc 100644
--- a/src/vs/base/common/strings.ts
+++ b/src/vs/base/common/strings.ts
@@ -1361,3 +1361,30 @@ export class InvisibleCharacters {
 }
 
 export const Ellipsis = '\u2026';
+
+/**
+ * Convert a Unicode string to a string in which each 16-bit unit occupies only one byte
+ *
+ * From https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope/btoa
+ */
+function toBinary(str: string): string {
+	const codeUnits = new Uint16Array(str.length);
+	for (let i = 0; i < codeUnits.length; i++) {
+		codeUnits[i] = str.charCodeAt(i);
+	}
+	let binary = '';
+	const uint8array = new Uint8Array(codeUnits.buffer);
+	for (let i = 0; i < uint8array.length; i++) {
+		binary += String.fromCharCode(uint8array[i]);
+	}
+	return binary;
+}
+
+/**
+ * Version of the global `btoa` function that handles multi-byte characters instead
+ * of throwing an exception.
+ */
+
+export function multibyteAwareBtoa(str: string): string {
+	return btoa(toBinary(str));
+}
diff --git a/src/vs/base/test/browser/dom.test.ts b/src/vs/base/test/browser/dom.test.ts
index 92aed203498..345efd026e8 100644
--- a/src/vs/base/test/browser/dom.test.ts
+++ b/src/vs/base/test/browser/dom.test.ts
@@ -4,7 +4,7 @@
  *--------------------------------------------------------------------------------------------*/
 
 import assert from 'assert';
-import { $, h, multibyteAwareBtoa, trackAttributes, copyAttributes, disposableWindowInterval, getWindows, getWindowsCount, getWindowId, getWindowById, hasWindow, getWindow, getDocument, isHTMLElement, SafeTriangle } from '../../browser/dom.js';
+import { $, h, trackAttributes, copyAttributes, disposableWindowInterval, getWindows, getWindowsCount, getWindowId, getWindowById, hasWindow, getWindow, getDocument, isHTMLElement, SafeTriangle } from '../../browser/dom.js';
 import { asCssValueWithDefault } from '../../../base/browser/cssValue.js';
 import { ensureCodeWindow, isAuxiliaryWindow, mainWindow } from '../../browser/window.js';
 import { DeferredPromise, timeout } from '../../common/async.js';
@@ -76,12 +76,6 @@ suite('dom', () => {
 		assert(!element.classList.contains('bar'));
 	});
 
-	test('multibyteAwareBtoa', () => {
-		assert.ok(multibyteAwareBtoa('hello world').length > 0);
-		assert.ok(multibyteAwareBtoa('平仮名').length > 0);
-		assert.ok(multibyteAwareBtoa(new Array(100000).fill('vs').join('')).length > 0); // https://github.com/microsoft/vscode/issues/112013
-	});
-
 	suite('$', () => {
 		test('should build simple nodes', () => {
 			const div = $('div');
diff --git a/src/vs/base/test/common/strings.test.ts b/src/vs/base/test/common/strings.test.ts
index dca2a40410e..9355afd375d 100644
--- a/src/vs/base/test/common/strings.test.ts
+++ b/src/vs/base/test/common/strings.test.ts
@@ -662,6 +662,12 @@ suite('Strings', () => {
 		assert.strictEqual(strings.InvisibleCharacters.containsInvisibleCharacter('a\u{e015a}\u000bb'), true);
 	});
 
+	test('multibyteAwareBtoa', () => {
+		assert.ok(strings.multibyteAwareBtoa('hello world').length > 0);
+		assert.ok(strings.multibyteAwareBtoa('平仮名').length > 0);
+		assert.ok(strings.multibyteAwareBtoa(new Array(100000).fill('vs').join('')).length > 0); // https://github.com/microsoft/vscode/issues/112013
+	});
+
 	ensureNoDisposablesAreLeakedInTestSuite();
 });
 
diff --git a/src/vs/workbench/api/browser/mainThreadCustomEditors.ts b/src/vs/workbench/api/browser/mainThreadCustomEditors.ts
index e343c5a3147..5e9387f7a88 100644
--- a/src/vs/workbench/api/browser/mainThreadCustomEditors.ts
+++ b/src/vs/workbench/api/browser/mainThreadCustomEditors.ts
@@ -3,7 +3,7 @@
  *  Licensed under the MIT License. See License.txt in the project root for license information.
  *--------------------------------------------------------------------------------------------*/
 
-import { multibyteAwareBtoa } from '../../../base/browser/dom.js';
+import { multibyteAwareBtoa } from '../../../base/common/strings.js';
 import { CancelablePromise, createCancelablePromise } from '../../../base/common/async.js';
 import { VSBuffer } from '../../../base/common/buffer.js';
 import { CancellationToken } from '../../../base/common/cancellation.js';
diff --git a/src/vs/workbench/browser/parts/editor/sideBySideEditor.ts b/src/vs/workbench/browser/parts/editor/sideBySideEditor.ts
index 640c0b8bfe8..42d71b82052 100644
--- a/src/vs/workbench/browser/parts/editor/sideBySideEditor.ts
+++ b/src/vs/workbench/browser/parts/editor/sideBySideEditor.ts
@@ -5,7 +5,8 @@
 
 import './media/sidebysideeditor.css';
 import { localize } from '../../../../nls.js';
-import { Dimension, $, clearNode, multibyteAwareBtoa } from '../../../../base/browser/dom.js';
+import { Dimension, $, clearNode } from '../../../../base/browser/dom.js';
+import { multibyteAwareBtoa } from '../../../../base/common/strings.js';
 import { Registry } from '../../../../platform/registry/common/platform.js';
 import { IEditorControl, IEditorPane, IEditorOpenContext, EditorExtensions, SIDE_BY_SIDE_EDITOR_ID, SideBySideEditor as Side, IEditorPaneSelection, IEditorPaneWithSelection, IEditorPaneSelectionChangeEvent, isEditorPaneWithSelection, EditorPaneSelectionCompareResult } from '../../../common/editor.js';
 import { SideBySideEditorInput } from '../../../common/editor/sideBySideEditorInput.js';
diff --git a/src/vs/workbench/browser/parts/editor/textDiffEditor.ts b/src/vs/workbench/browser/parts/editor/textDiffEditor.ts
index 3de940f1771..1fdcca78407 100644
--- a/src/vs/workbench/browser/parts/editor/textDiffEditor.ts
+++ b/src/vs/workbench/browser/parts/editor/textDiffEditor.ts
@@ -29,7 +29,8 @@ import { CancellationToken } from '../../../../base/common/cancellation.js';
 import { EditorActivation, ITextEditorOptions } from '../../../../platform/editor/common/editor.js';
 import { IContextKeyService } from '../../../../platform/contextkey/common/contextkey.js';
 import { isEqual } from '../../../../base/common/resources.js';
-import { Dimension, multibyteAwareBtoa } from '../../../../base/browser/dom.js';
+import { Dimension } from '../../../../base/browser/dom.js';
+import { multibyteAwareBtoa } from '../../../../base/common/strings.js';
 import { ByteSize, FileOperationError, FileOperationResult, IFileService, TooLargeFileOperationError } from '../../../../platform/files/common/files.js';
 import { IBoundarySashes } from '../../../../base/browser/ui/sash/sash.js';
 import { IPreferencesService } from '../../../services/preferences/common/preferences.js';