diff --git a/public/manifest.json b/public/manifest.json
new file mode 100644
index 0000000..7c0ff55
--- /dev/null
+++ b/public/manifest.json
@@ -0,0 +1,19 @@
+{
+  "name": "Untrace - EXIF Metadata & AI Content Credential Remover",
+  "short_name": "Untrace",
+  "description": "Free online tool to remove EXIF metadata, GPS location data, AI generation tags, and content credentials from images",
+  "start_url": "/untrace/",
+  "display": "standalone",
+  "background_color": "#ffffff",
+  "theme_color": "#3b82f6",
+  "icons": [
+    {
+      "src": "vite.svg",
+      "sizes": "any",
+      "type": "image/svg+xml"
+    }
+  ],
+  "categories": ["productivity", "utilities", "photo"],
+  "lang": "en",
+  "orientation": "any"
+}
diff --git a/public/robots.txt b/public/robots.txt
new file mode 100644
index 0000000..88032f7
--- /dev/null
+++ b/public/robots.txt
@@ -0,0 +1,4 @@
+User-agent: *
+Allow: /
+
+Sitemap: https://untrace.realbrain.cc/sitemap.xml
diff --git a/public/sitemap.xml b/public/sitemap.xml
new file mode 100644
index 0000000..08a1a86
--- /dev/null
+++ b/public/sitemap.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
+  <url>
+    <loc>https://untrace.realbrain.cc/untrace/</loc>
+    <lastmod>2025-06-23</lastmod>
+    <changefreq>weekly</changefreq>
+    <priority>1.0</priority>
+  </url>
+</urlset>
diff --git a/public/thumb.jpg b/public/thumb.jpg
new file mode 100644
index 0000000..9b5e26e
Binary files /dev/null and b/public/thumb.jpg differ