diff --git a/pages/diff.tsx b/pages/diff.tsx
new file mode 100644
index 000000000..a406e2b76
--- /dev/null
+++ b/pages/diff.tsx
@@ -0,0 +1,10 @@
+import * as React from 'react';
+
+import { AppDiff } from '../src/apps/diff/AppDiff';
+
+import { withLayout } from '~/common/layout/withLayout';
+
+
+export default function DiffPage() {
+  return withLayout({ type: 'optima' }, <AppDiff />);
+}
\ No newline at end of file
diff --git a/src/apps/AppSmallContainer.tsx b/src/apps/AppSmallContainer.tsx
index e4d70aa56..b5a307fe5 100644
--- a/src/apps/AppSmallContainer.tsx
+++ b/src/apps/AppSmallContainer.tsx
@@ -5,7 +5,7 @@ import { Box, Container, Typography } from '@mui/joy';
 
 export function AppSmallContainer({ title, description, children }: {
   title: string;
-  description: string;
+  description: React.ReactNode;
   children: React.ReactNode;
 }) {
   return (
diff --git a/src/apps/diff/AppDiff.tsx b/src/apps/diff/AppDiff.tsx
new file mode 100644
index 000000000..662f6c25c
--- /dev/null
+++ b/src/apps/diff/AppDiff.tsx
@@ -0,0 +1,178 @@
+import * as React from 'react';
+
+import type { SxProps } from '@mui/joy/styles/types';
+import { Box, Card, Divider, IconButton, Textarea, Tooltip, Typography } from '@mui/joy';
+import SwapHorizIcon from '@mui/icons-material/SwapHoriz';
+
+import { RenderTextDiff, useSanityTextDiffs } from '~/modules/blocks/textdiff/RenderTextDiff';
+
+import { themeScalingMap } from '~/common/app.theme';
+import { useIsMobile } from '~/common/components/useMatchMedia';
+import { useUIPreferencesStore } from '~/common/state/store-ui';
+
+import { AppSmallContainer } from '../AppSmallContainer';
+import { GlobalShortcutDefinition, useGlobalShortcuts } from '~/common/components/useGlobalShortcuts';
+import { countWords } from '~/common/util/textUtils';
+
+
+export function AppDiff() {
+
+  // state
+  const [text1, setText1] = React.useState('This is the Original text...');
+  const [text2, setText2] = React.useState('This is the Modified text...');
+  const [isSwapping, setIsSwapping] = React.useState(false);
+
+
+  // external state
+  const isMobile = useIsMobile();
+  const contentScaling = useUIPreferencesStore(state => state.contentScaling);
+  const diffs = useSanityTextDiffs(text2 || '', text1 || '', true);
+
+  // memos
+  const handleSwap = React.useCallback(() => {
+    setIsSwapping(true);
+    setTimeout(() => {
+      const temp = text1;
+      setText1(text2);
+      setText2(temp);
+      setIsSwapping(false);
+    }, 200); // sync this with the transition duration
+  }, [text1, text2]);
+
+  const scaledTypographySx: SxProps = React.useMemo(() => ({
+    fontSize: themeScalingMap[contentScaling]?.blockFontSize ?? undefined,
+    lineHeight: themeScalingMap[contentScaling]?.blockLineHeight ?? 1.75,
+  }), [contentScaling]);
+
+  // this is a repetition.. shall move this to a shared root component
+  const shortcuts = React.useMemo((): GlobalShortcutDefinition[] => [
+    ['+', true, true, false, useUIPreferencesStore.getState().increaseContentScaling],
+    ['-', true, true, false, useUIPreferencesStore.getState().decreaseContentScaling],
+  ], []);
+  useGlobalShortcuts(shortcuts);
+
+  const c1 = text1?.length || 0;
+  const c2 = text2?.length || 0;
+  const w1 = countWords(text1);
+  const w2 = countWords(text2);
+
+
+  return (
+    <AppSmallContainer
+      title={isMobile ? 'Text Diff' : 'Text Comparison'}
+      description='Compare two versions of text to highlight changes and differences.'
+    >
+
+      <Box sx={{ display: 'flex', flexDirection: 'column', gap: 2 }}>
+
+        <Box sx={{
+          display: 'grid',
+          gridTemplateColumns: { xs: '1fr', md: '1fr auto 1fr' },
+          gap: 2,
+          alignItems: 'center',
+        }}>
+
+          <Textarea
+            variant='outlined'
+            color={text1 ? undefined : 'warning'}
+            minRows={5}
+            maxRows={isMobile ? 8 : 10}
+            placeholder='Paste or type your original text here...'
+            autoFocus
+            value={text1}
+            onChange={(e) => setText1(e.target.value)}
+            endDecorator={
+              <Box sx={{
+                backgroundColor: 'background.surface', px: 0.5, py: 0.25, borderRadius: 'xs',
+                width: '100%', lineHeight: 'lg', fontSize: 'xs',
+                display: 'flex', flexFlow: 'row wrap', gap: 1, justifyContent: 'space-between',
+              }}>
+                {!w1 ? <div>No words</div> : <div>Word count: <b>{w1}</b></div>}
+                {!c1 ? <div>No characters</div> : <div>Character Count: <b>{c1}</b></div>}
+              </Box>
+            }
+            sx={{
+              transition: 'transform 0.2s ease-in-out',
+              transform: isSwapping ? 'scale(0.97) translateX(5%)' : 'scale(1)',
+              '&:focus-within': { backgroundColor: 'background.popup' },
+              ...scaledTypographySx,
+            }}
+          />
+
+          <Tooltip title='Swap texts' disableInteractive>
+            <IconButton
+              variant='soft'
+              onClick={handleSwap}
+              sx={{
+                my: { xs: 1, md: 0 },
+                transition: isSwapping ? 'transform 0.2s ease-in-out' : undefined,
+                transform: isSwapping ? 'rotate(180deg)' : 'rotate(0)',
+              }}
+            >
+              <SwapHorizIcon />
+            </IconButton>
+          </Tooltip>
+
+          <Textarea
+            variant='outlined'
+            color={text2 ? undefined : 'warning'}
+            minRows={5}
+            maxRows={isMobile ? 8 : 10}
+            placeholder='Paste or type your modified text here...'
+            value={text2}
+            onChange={(e) => setText2(e.target.value)}
+            endDecorator={
+              <Box sx={{
+                backgroundColor: 'background.surface', px: 0.5, py: 0.25, borderRadius: 'xs',
+                width: '100%', lineHeight: 'lg', fontSize: 'xs',
+                display: 'flex', flexFlow: 'row wrap', gap: 1, justifyContent: 'space-between',
+              }}>
+                {!w2 ? <div>No words</div> : <div>Word count: <b>{w2}</b></div>}
+                {!c2 ? <div>No characters</div> : <div>Character Count: <b>{c2}</b></div>}
+              </Box>
+            }
+            sx={{
+              transition: 'transform 0.2s ease-in-out',
+              transform: isSwapping ? 'scale(0.97) translateX(-5%)' : 'scale(1)',
+              '&:focus-within': { backgroundColor: 'background.popup' },
+              ...scaledTypographySx,
+            }}
+          />
+
+        </Box>
+
+        {diffs?.length ? (
+          <Box sx={{ display: 'flex', flexDirection: 'column', gap: 2 }}>
+
+            <Divider sx={{ my: 2 }}>
+              <Typography level='title-sm'>
+                Differences
+              </Typography>
+            </Divider>
+
+            <Card sx={{
+              borderRadius: 'sm',
+              backgroundColor: 'background.popup',
+              p: 1,
+            }}>
+              <RenderTextDiff
+                textDiffBlock={{ type: 'diffb', textDiffs: diffs }}
+                sx={scaledTypographySx}
+              />
+            </Card>
+
+            <Typography level='body-sm'>
+              <Typography color='danger'>Red</Typography>: Deleted, <Typography color='success'>Green</Typography>: Added.
+            </Typography>
+
+          </Box>
+        ) : (
+          <Typography level='body-sm' sx={{ my: 2 }}>
+            Enter or paste your texts and the differences will be highlighted here.
+          </Typography>
+        )}
+
+      </Box>
+    </AppSmallContainer>
+  );
+}
\ No newline at end of file
diff --git a/src/common/app.nav.ts b/src/common/app.nav.ts
index dd2fafdc2..b640886fa 100644
--- a/src/common/app.nav.ts
+++ b/src/common/app.nav.ts
@@ -164,7 +164,7 @@ export const navItems: {
       hideBar: true,
     },
     {
-      name: 'Compare',
+      name: 'Compare Text',
       barTitle: 'Comparison',
       icon: DifferenceOutlinedIcon,
       type: 'app',
@@ -172,7 +172,7 @@ export const navItems: {
       hideDrawer: true,
     },
     {
-      name: 'Tokenize',
+      name: 'Tokenize Text',
       barTitle: 'Tokenization',
       icon: GrainIcon,
       type: 'app',
diff --git a/src/common/util/textUtils.ts b/src/common/util/textUtils.ts
index 6637ea723..7470cb381 100644
--- a/src/common/util/textUtils.ts
+++ b/src/common/util/textUtils.ts
@@ -2,6 +2,13 @@ export function capitalizeFirstLetter(string: string) {
   return string?.length ? (string.charAt(0).toUpperCase() + string.slice(1)) : string;
 }
 
+
+export function countWords(text: string) {
+  const trimmedText = text.trim();
+  if (!trimmedText) return 0;
+  return trimmedText.split(/\s+/).length;
+}
+
 /**
  * Convert a string (e.g., a web URL or file name) to a human-readable hyphenated format.
  * This function: