diff --git a/platform/platform-api/api-dump.txt b/platform/platform-api/api-dump.txt
index 0eb6d736d8a3..106d94d1f132 100644
--- a/platform/platform-api/api-dump.txt
+++ b/platform/platform-api/api-dump.txt
@@ -580,6 +580,8 @@ pc:com.intellij.ide.HelpTooltip$OverTipMouseListener
 - p:doExit():V
 - mouseEntered(java.awt.event.MouseEvent):V
 - mouseExited(java.awt.event.MouseEvent):V
+f:com.intellij.ide.HelpTooltipKt
+- sf:setToolTipText(javax.swing.JComponent,com.intellij.openapi.util.text.HtmlChunk):V
 f:com.intellij.ide.IdeBundle
 - sf:BUNDLE:java.lang.String
 - s:message(java.lang.String,java.lang.Object[]):java.lang.String
diff --git a/platform/platform-api/src/com/intellij/ide/HelpTooltip.kt b/platform/platform-api/src/com/intellij/ide/HelpTooltip.kt
new file mode 100644
index 000000000000..07dba95bd40d
--- /dev/null
+++ b/platform/platform-api/src/com/intellij/ide/HelpTooltip.kt
@@ -0,0 +1,17 @@
+// Copyright 2000-2026 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
+package com.intellij.ide
+
+import com.intellij.openapi.util.text.HtmlChunk
+import javax.swing.JComponent
+
+/**
+ * Sets tooltip content.
+ * Prefer this method over [JComponent.setToolTipText] to avoid accidental HTML injections.
+ *
+ * Tooltip text is allowed to contain HTML markup. Construct the text using [HtmlChunk].
+ * If your tooltip doesn't suppose to contain HTML markup,
+ * prefer using [HtmlChunk.text] to avoid accidental HTML injections.
+ */
+fun JComponent.setToolTipText(html: HtmlChunk?) {
+  this.toolTipText = html?.toString()
+}
\ No newline at end of file