diff --git a/viewer/handler.go b/viewer/handler.go
index 725d2cd..75d85f6 100644
--- a/viewer/handler.go
+++ b/viewer/handler.go
@@ -62,7 +62,7 @@ func newHandler(opts HandlerOptions) http.Handler {
 			return
 		}
 
-		page, err := buildPageData([]byte(payload), title)
+		page, err := buildPageData([]byte(payload), title, RenderOptions{})
 		if err != nil {
 			if opts.Standalone {
 				html, renderErr := web.RenderUpload(pageData{
diff --git a/viewer/model.go b/viewer/model.go
index b21fcdb..7b006c1 100644
--- a/viewer/model.go
+++ b/viewer/model.go
@@ -1,11 +1,15 @@
 package viewer
 
 type pageData struct {
-	Title       string
-	HasSnapshot bool
-	Error       string
-	Meta        []fieldRow
-	Sections    []sectionView
+	Title                string
+	HasSnapshot          bool
+	Error                string
+	NoticeTitle          string
+	NoticeBody           string
+	DownloadArchiveURL   string
+	DownloadArchiveLabel string
+	Meta                 []fieldRow
+	Sections             []sectionView
 }
 
 type sectionView struct {
diff --git a/viewer/render.go b/viewer/render.go
index ea26e06..48a7bd7 100644
--- a/viewer/render.go
+++ b/viewer/render.go
@@ -81,16 +81,33 @@ var preferredColumns = map[string][]string{
 	"other":          {"name", "value", "unit"},
 }
 
+type RenderOptions struct {
+	DownloadArchiveURL   string
+	DownloadArchiveLabel string
+	NoticeTitle          string
+	NoticeBody           string
+}
+
 func RenderHTML(snapshot []byte, title string) ([]byte, error) {
-	page, err := buildPageData(snapshot, title)
+	return RenderHTMLWithOptions(snapshot, title, RenderOptions{})
+}
+
+func RenderHTMLWithOptions(snapshot []byte, title string, opts RenderOptions) ([]byte, error) {
+	page, err := buildPageData(snapshot, title, opts)
 	if err != nil {
 		return nil, err
 	}
 	return web.Render(page)
 }
 
-func buildPageData(snapshot []byte, title string) (pageData, error) {
-	page := pageData{Title: title}
+func buildPageData(snapshot []byte, title string, opts RenderOptions) (pageData, error) {
+	page := pageData{
+		Title:                title,
+		NoticeTitle:          strings.TrimSpace(opts.NoticeTitle),
+		NoticeBody:           strings.TrimSpace(opts.NoticeBody),
+		DownloadArchiveURL:   strings.TrimSpace(opts.DownloadArchiveURL),
+		DownloadArchiveLabel: strings.TrimSpace(opts.DownloadArchiveLabel),
+	}
 	if strings.TrimSpace(string(snapshot)) == "" {
 		return page, nil
 	}
diff --git a/web/static/view.css b/web/static/view.css
index 5873d5b..d53236d 100644
--- a/web/static/view.css
+++ b/web/static/view.css
@@ -31,6 +31,10 @@ body {
 }
 
 .page-header {
+  display: flex;
+  align-items: flex-start;
+  justify-content: space-between;
+  gap: 16px;
   padding: 24px 28px 18px;
   border-bottom: 1px solid rgba(0, 0, 0, 0.08);
 }
@@ -46,6 +50,22 @@ body {
   color: var(--muted);
 }
 
+.header-actions {
+  display: flex;
+  align-items: center;
+}
+
+.header-action {
+  display: inline-block;
+  text-decoration: none;
+  border-radius: 999px;
+  background: var(--accent);
+  color: #fff;
+  padding: 10px 16px;
+  font-weight: 700;
+  white-space: nowrap;
+}
+
 .page-main {
   width: min(1500px, calc(100vw - 32px));
   margin: 0 auto;
@@ -54,6 +74,7 @@ body {
 
 .empty-panel,
 .meta-panel,
+.notice-panel,
 .section-card,
 .upload-panel {
   background: var(--panel);
@@ -67,6 +88,7 @@ body {
 .empty-panel h2,
 .section-card h2,
 .meta-panel h2,
+.notice-panel h2,
 .upload-panel h2 {
   display: block;
   margin: 0 0 12px;
@@ -74,6 +96,7 @@ body {
 }
 
 .empty-panel p,
+.notice-panel p,
 .upload-panel p {
   margin: 0;
   color: var(--muted);
@@ -259,6 +282,10 @@ body {
 }
 
 @media (max-width: 720px) {
+  .page-header {
+    flex-direction: column;
+  }
+
   .page-main {
     width: min(100vw - 20px, 1500px);
   }
diff --git a/web/templates/view.html b/web/templates/view.html
index 583566b..1a4a48a 100644
--- a/web/templates/view.html
+++ b/web/templates/view.html
@@ -11,9 +11,21 @@
     <div>
       <h1>{{ .Title }}</h1>
     </div>
+    {{ if .DownloadArchiveURL }}
+    <div class="header-actions">
+      <a class="header-action" href="{{ .DownloadArchiveURL }}">{{ if .DownloadArchiveLabel }}{{ .DownloadArchiveLabel }}{{ else }}Download archive{{ end }}</a>
+    </div>
+    {{ end }}
   </header>
 
   <main class="page-main">
+    {{ if .NoticeTitle }}
+    <section class="notice-panel">
+      <h2>{{ .NoticeTitle }}</h2>
+      <p>{{ .NoticeBody }}</p>
+    </section>
+    {{ end }}
+
     {{ if .HasSnapshot }}
     <section class="meta-panel">
       <h2>Snapshot Metadata</h2>