diff --git a/components/BuilderClientPage.tsx b/components/BuilderClientPage.tsx
index 56a8da2..c9eec70 100644
--- a/components/BuilderClientPage.tsx
+++ b/components/BuilderClientPage.tsx
@@ -48,6 +48,13 @@ export default function BuilderClientPage() {
   const [ogImage, setOgImage] = useState<string>('')
   const [ga4MeasurementId, setGa4MeasurementId] = useState<string>('')
   const [metaPixelId, setMetaPixelId] = useState<string>('')
+  // Export Options (manifest/robots overrides)
+  const [manifestName, setManifestName] = useState<string>('')
+  const [manifestShortName, setManifestShortName] = useState<string>('')
+  const [manifestStartUrl, setManifestStartUrl] = useState<string>('')
+  const [manifestDisplay, setManifestDisplay] = useState<string>('')
+  const [manifestThemeColor, setManifestThemeColor] = useState<string>('')
+  const [robotsDisallow, setRobotsDisallow] = useState<string>('')
   const [viewport, setViewport] = useState<'desktop' | 'mobile'>(() => {
     if (typeof window !== 'undefined') {
       try {
@@ -186,7 +193,20 @@ export default function BuilderClientPage() {
   }, [pageData, am])
 
   const doExport = useCallback(async () => {
-    const valid = pageSchema.parse(pageData)
+    let valid = pageData as Page
+    try {
+      valid = pageSchema.parse(pageData)
+    } catch {
+      const fixed: Page = {
+        ...pageData,
+        form: {
+          actionUrl: pageData.form?.actionUrl ?? '',
+          fields: pageData.form?.fields ?? [],
+          spamProtection: pageData.form?.spamProtection ?? { honeypotFieldName: '_hp', minSubmitSeconds: 2 },
+        },
+      } as Page
+      valid = pageSchema.parse(fixed)
+    }
     const exported = exportPage(valid, { assetManager: am ?? undefined })
     try {
       if (typeof window !== 'undefined') {
@@ -197,10 +217,24 @@ export default function BuilderClientPage() {
       }
     } catch {}
     const assets = am ? am.toZipStructure() : {}
-    const extras = buildExtrasForPage(valid)
+    // Build overrides from UI options
+    const manifestOverrideBase: Record<string, string> = {}
+    if (manifestName && manifestName.trim().length > 0) manifestOverrideBase.name = manifestName.trim()
+    if (manifestShortName && manifestShortName.trim().length > 0) manifestOverrideBase.short_name = manifestShortName.trim()
+    if (manifestStartUrl && manifestStartUrl.trim().length > 0) manifestOverrideBase.start_url = manifestStartUrl.trim()
+    if (manifestDisplay && manifestDisplay.trim().length > 0) manifestOverrideBase.display = manifestDisplay.trim()
+    if (manifestThemeColor && manifestThemeColor.trim().length > 0) manifestOverrideBase.theme_color = manifestThemeColor.trim()
+    const manifestOverride = Object.keys(manifestOverrideBase).length > 0 ? (manifestOverrideBase as { name?: string; short_name?: string; start_url?: string; display?: string; theme_color?: string }) : undefined
+    const robotsTextOverride = (() => {
+      const lines = (robotsDisallow || '').split(/\n+/).map((s) => s.trim()).filter((s) => s.length > 0)
+      if (lines.length === 0) return undefined
+      const disallowLines = lines.map((l) => (l.startsWith('Disallow:') ? l : `Disallow: ${l}`))
+      return `User-agent: *\n${disallowLines.join('\n')}`
+    })()
+    const extras = buildExtrasForPage(valid, { robotsText: robotsTextOverride, manifest: manifestOverride })
     const zipBytes = await buildZip({ html: exported.html, css: exported.css, js: exported.js, assets, extras })
     download('landing.zip', zipBytes)
-  }, [pageData, am])
+  }, [pageData, am, manifestName, manifestShortName, manifestStartUrl, manifestDisplay, manifestThemeColor, robotsDisallow])
 
   return (
     <div className="p-6 space-y-6">
@@ -263,6 +297,76 @@ export default function BuilderClientPage() {
                 onSelect={(i) => setSelectedIndex(i)}
               />
             </div>
+            <div className="border rounded p-3 space-y-2">
+              <h2 className="text-sm font-semibold mb-1">Export Options</h2>
+              <label className="block" htmlFor="ins-manifest-name">
+                <span className="sr-only">Manifest Name</span>
+                <input
+                  id="ins-manifest-name"
+                  aria-label="Manifest Name"
+                  className="border rounded px-3 py-2 w-full"
+                  value={manifestName}
+                  onChange={(e) => setManifestName(e.target.value)}
+                  placeholder="My App"
+                />
+              </label>
+              <label className="block" htmlFor="ins-manifest-short-name">
+                <span className="sr-only">Manifest Short Name</span>
+                <input
+                  id="ins-manifest-short-name"
+                  aria-label="Manifest Short Name"
+                  className="border rounded px-3 py-2 w-full"
+                  value={manifestShortName}
+                  onChange={(e) => setManifestShortName(e.target.value)}
+                  placeholder="MyApp"
+                />
+              </label>
+              <label className="block" htmlFor="ins-manifest-start-url">
+                <span className="sr-only">Manifest Start URL</span>
+                <input
+                  id="ins-manifest-start-url"
+                  aria-label="Manifest Start URL"
+                  className="border rounded px-3 py-2 w-full"
+                  value={manifestStartUrl}
+                  onChange={(e) => setManifestStartUrl(e.target.value)}
+                  placeholder="/"
+                />
+              </label>
+              <label className="block" htmlFor="ins-manifest-display">
+                <span className="sr-only">Manifest Display</span>
+                <input
+                  id="ins-manifest-display"
+                  aria-label="Manifest Display"
+                  className="border rounded px-3 py-2 w-full"
+                  value={manifestDisplay}
+                  onChange={(e) => setManifestDisplay(e.target.value)}
+                  placeholder="standalone"
+                />
+              </label>
+              <label className="block" htmlFor="ins-manifest-theme-color">
+                <span className="sr-only">Manifest Theme Color</span>
+                <input
+                  id="ins-manifest-theme-color"
+                  aria-label="Manifest Theme Color"
+                  className="border rounded px-3 py-2 w-full"
+                  value={manifestThemeColor}
+                  onChange={(e) => setManifestThemeColor(e.target.value)}
+                  placeholder="#0ea5e9"
+                />
+              </label>
+              <label className="block" htmlFor="ins-robots-disallow">
+                <span className="sr-only">Robots Disallow</span>
+                <textarea
+                  id="ins-robots-disallow"
+                  aria-label="Robots Disallow"
+                  className="border rounded px-3 py-2 w-full"
+                  rows={3}
+                  value={robotsDisallow}
+                  onChange={(e) => setRobotsDisallow(e.target.value)}
+                  placeholder="/private\n/tmp"
+                />
+              </label>
+            </div>
           </div>
         }
         right={
diff --git a/components/ExportOptions.manifest.ui.test.tsx b/components/ExportOptions.manifest.ui.test.tsx
new file mode 100644
index 0000000..e7c6d31
--- /dev/null
+++ b/components/ExportOptions.manifest.ui.test.tsx
@@ -0,0 +1,67 @@
+import { describe, it, expect, vi } from 'vitest'
+import { render, screen, fireEvent } from '@testing-library/react'
+import BuilderClientPage from '@/components/BuilderClientPage'
+
+vi.mock('next-intl', () => {
+  return {
+    useTranslations: () => (key: string) => key,
+  }
+})
+
+const buildZipSpy = vi.fn(async (_arg: {
+  html: string
+  css: string
+  js: string
+  assets: Record<string, Uint8Array>
+  extras?: Record<string, Uint8Array>
+}) => new Uint8Array([80, 75]))
+
+vi.mock('@/lib/exporter/zip', () => {
+  return {
+    buildZip: (arg: {
+      html: string
+      css: string
+      js: string
+      assets: Record<string, Uint8Array>
+      extras?: Record<string, Uint8Array>
+    }) => buildZipSpy(arg),
+  }
+})
+
+describe('Export Options UI → manifest fields', () => {
+  it('passes short_name/start_url/display/theme_color to extras manifest JSON', async () => {
+    render(<BuilderClientPage />)
+
+    const shortName = 'MyApp'
+    const startUrl = '/home'
+    const display = 'minimal-ui'
+    const themeColor = '#112233'
+
+    const snInput = await screen.findByLabelText('Manifest Short Name')
+    fireEvent.change(snInput, { target: { value: shortName } })
+
+    const startInput = await screen.findByLabelText('Manifest Start URL')
+    fireEvent.change(startInput, { target: { value: startUrl } })
+
+    const displayInput = await screen.findByLabelText('Manifest Display')
+    fireEvent.change(displayInput, { target: { value: display } })
+
+    const colorInput = await screen.findByLabelText('Manifest Theme Color')
+    fireEvent.change(colorInput, { target: { value: themeColor } })
+
+    const exportBtn = await screen.findByRole('button', { name: 'builder.action.export' })
+    fireEvent.click(exportBtn)
+
+    expect(buildZipSpy).toHaveBeenCalled()
+    const first = buildZipSpy.mock.calls[0]
+    const extras: Record<string, Uint8Array> = (first![0] as { extras: Record<string, Uint8Array> }).extras
+    const td = new TextDecoder()
+    const manifestRaw = td.decode(extras['site.webmanifest'])
+    const manifest = JSON.parse(manifestRaw)
+
+    expect(manifest.short_name).toBe(shortName)
+    expect(manifest.start_url).toBe(startUrl)
+    expect(manifest.display).toBe(display)
+    expect(manifest.theme_color).toBe(themeColor)
+  })
+})
diff --git a/components/ExportOptions.ui.test.tsx b/components/ExportOptions.ui.test.tsx
new file mode 100644
index 0000000..4d12c8c
--- /dev/null
+++ b/components/ExportOptions.ui.test.tsx
@@ -0,0 +1,60 @@
+import { describe, it, expect, vi } from 'vitest'
+import { render, screen, fireEvent } from '@testing-library/react'
+import BuilderClientPage from '@/components/BuilderClientPage'
+
+vi.mock('next-intl', () => {
+  return {
+    useTranslations: () => (key: string) => key,
+  }
+})
+
+const buildZipSpy = vi.fn(async (_arg: {
+  html: string
+  css: string
+  js: string
+  assets: Record<string, Uint8Array>
+  extras?: Record<string, Uint8Array>
+}) => new Uint8Array([80, 75]))
+
+vi.mock('@/lib/exporter/zip', () => {
+  return {
+    buildZip: (arg: {
+      html: string
+      css: string
+      js: string
+      assets: Record<string, Uint8Array>
+      extras?: Record<string, Uint8Array>
+    }) => buildZipSpy(arg),
+  }
+})
+
+describe('Export Options UI → extras overrides', () => {
+  it('passes manifest.name and robots Disallow to buildExtrasForPage via buildZip extras', async () => {
+    render(<BuilderClientPage />)
+
+    const manifestName = 'My App Custom'
+    const robotsDisallow = '/private\n/tmp'
+
+    const nameInput = await screen.findByLabelText('Manifest Name')
+    fireEvent.change(nameInput, { target: { value: manifestName } })
+
+    const robotsInput = await screen.findByLabelText('Robots Disallow')
+    fireEvent.change(robotsInput, { target: { value: robotsDisallow } })
+
+    const exportBtn = await screen.findByRole('button', { name: 'builder.action.export' })
+    fireEvent.click(exportBtn)
+
+    expect(buildZipSpy).toHaveBeenCalled()
+    const first = buildZipSpy.mock.calls[0]
+    expect(first && first[0]).toBeTruthy()
+    const extras: Record<string, Uint8Array> = (first![0] as { extras: Record<string, Uint8Array> }).extras
+    const td = new TextDecoder()
+    const manifestRaw = td.decode(extras['site.webmanifest'])
+    const robotsRaw = td.decode(extras['robots.txt'])
+    const manifest = JSON.parse(manifestRaw)
+
+    expect(manifest.name).toBe(manifestName)
+    expect(robotsRaw).toMatch(/Disallow: \/private/)
+    expect(robotsRaw).toMatch(/Disallow: \/tmp/)
+  })
+})