diff --git a/client/src/components/Chat/Messages/Content/Parts/Text.tsx b/client/src/components/Chat/Messages/Content/Parts/Text.tsx
index aec8d949e0..1f73000928 100644
--- a/client/src/components/Chat/Messages/Content/Parts/Text.tsx
+++ b/client/src/components/Chat/Messages/Content/Parts/Text.tsx
@@ -1,10 +1,11 @@
-import { memo, useMemo, ReactElement } from 'react';
+import { memo, useMemo, ReactElement, useRef } from 'react';
 import { useRecoilValue } from 'recoil';
 import MarkdownLite from '~/components/Chat/Messages/Content/MarkdownLite';
 import Markdown from '~/components/Chat/Messages/Content/Markdown';
 import { useMessageContext } from '~/Providers';
 import { cn } from '~/utils';
 import store from '~/store';
+import useManualCopyToClipboard from '~/hooks/Messages/useManualCopyToClipboard';
 
 type TextPartProps = {
   text: string;
@@ -22,6 +23,9 @@ const TextPart = memo(function TextPart({ text, isCreatedByUser, showCursor }: T
   const enableUserMsgMarkdown = useRecoilValue(store.enableUserMsgMarkdown);
   const showCursorState = useMemo(() => showCursor && isSubmitting, [showCursor, isSubmitting]);
 
+  const contentRef = useRef<HTMLDivElement>(null);
+  useManualCopyToClipboard(contentRef, { text });
+
   const content: ContentType = useMemo(() => {
     if (!isCreatedByUser) {
       return <Markdown content={text} isLatestMessage={isLatestMessage} />;
@@ -34,6 +38,7 @@ const TextPart = memo(function TextPart({ text, isCreatedByUser, showCursor }: T
 
   return (
     <div
+      ref={contentRef}
       className={cn(
         isSubmitting ? 'submitting' : '',
         showCursorState && !!text.length ? 'result-streaming' : '',
diff --git a/client/src/hooks/Messages/useManualCopyToClipboard.ts b/client/src/hooks/Messages/useManualCopyToClipboard.ts
new file mode 100644
index 0000000000..896d53ba91
--- /dev/null
+++ b/client/src/hooks/Messages/useManualCopyToClipboard.ts
@@ -0,0 +1,97 @@
+import { useEffect } from 'react';
+import { CLEANUP_REGEX, INVALID_CITATION_REGEX } from '~/utils/citations';
+import type { TMessage, SearchResultData } from 'librechat-data-provider';
+
+export default function useManualCopyToClipboard(
+  containerRef: React.RefObject<HTMLElement>,
+  messageData: Partial<Pick<TMessage, 'text' | 'content'>> & {
+    searchResults?: { [key: string]: SearchResultData };
+  },
+) {
+  useEffect(() => {
+    const container = containerRef.current;
+    if (!container) return;
+
+    const handleManualCopy = (e: ClipboardEvent) => {
+      // Get the selected content
+      const selection = window.getSelection();
+      if (!selection || selection.toString().length === 0) return;
+
+      // Create a temporary container for the selected content
+      const tempDiv = document.createElement('div');
+      const range = selection.rangeCount > 0 ? selection.getRangeAt(0) : null;
+      const clonedSelection = range ? range.cloneContents() : null;
+      if (clonedSelection) {
+        tempDiv.appendChild(clonedSelection);
+      }
+
+      const stripInlineStyles = (element: Element) => {
+        // Remove style attribute (the main culprit for bloat)
+        element.removeAttribute('style');
+
+        // Keep essential classes, remove styling classes
+        const classList = element.getAttribute('class');
+        if (classList) {
+          const essentialClasses = classList
+            .split(' ')
+            .filter(
+              (cls) =>
+                !cls.includes('prose') &&
+                !cls.includes('dark:') &&
+                !cls.includes('light') &&
+                !cls.startsWith('text-') &&
+                !cls.startsWith('bg-') &&
+                !cls.startsWith('border-') &&
+                !cls.startsWith('shadow-') &&
+                !cls.startsWith('rounded-') &&
+                cls.trim().length > 0,
+            )
+            .join(' ');
+
+          if (essentialClasses.length > 0) {
+            element.setAttribute('class', essentialClasses);
+          } else {
+            element.removeAttribute('class');
+          }
+        }
+
+        // Recursively process all child elements
+        Array.from(element.children).forEach((child) => {
+          stripInlineStyles(child as Element);
+        });
+      };
+
+      // Strip inline styles from cloned content
+      stripInlineStyles(tempDiv);
+      const cleanHtml = tempDiv.innerHTML;
+
+      // === STEP 2: PLAIN TEXT VERSION ===
+      // Get the plain text from selection
+      const selectedPlainText = selection.toString();
+
+      // Apply the same cleanup as useCopyToClipboard
+      const cleanedText = selectedPlainText
+        .replace(INVALID_CITATION_REGEX, '')
+        .replace(CLEANUP_REGEX, '');
+
+      // Prevent default copy behavior
+      e.preventDefault();
+
+      // Set BOTH formats to clipboard
+      const clipboardData = e.clipboardData;
+      if (clipboardData) {
+        // Primary format: Clean HTML (for pasting into rich text editors)
+        clipboardData.setData('text/html', cleanHtml);
+
+        // Secondary format: Clean plain text (for pasting into plain text editors)
+        clipboardData.setData('text/plain', cleanedText);
+      }
+    };
+
+    container.addEventListener('copy', handleManualCopy);
+
+    return () => {
+      container.removeEventListener('copy', handleManualCopy);
+    };
+  }, [containerRef]);
+}