diff --git a/src/app/not-found.tsx b/src/app/not-found.tsx
new file mode 100644
index 0000000..adade3e
--- /dev/null
+++ b/src/app/not-found.tsx
@@ -0,0 +1,23 @@
+import Link from 'next/link'
+import Spinner from '../components/Spinner'
+import Wordmark from '../components/Wordmark'
+
+export const metadata = {
+  title: 'FilePizza - 404: Slice Not Found',
+  description: 'Oops! This slice of FilePizza seems to be missing.',
+}
+
+export default function NotFound(): JSX.Element {
+  return (
+    <div className="flex flex-col items-center space-y-5 py-10 max-w-2xl mx-auto">
+      <Spinner direction="down" />
+      <Wordmark />
+      <p>
+        <strong>404: Looks like this slice of FilePizza is missing!</strong>
+      </p>
+      <Link href="/" className="text-stone-500 hover:underline">
+        Serve up a fresh slice &raquo;
+      </Link>
+    </div>
+  )
+}
diff --git a/src/components/InputLabel.tsx b/src/components/InputLabel.tsx
new file mode 100644
index 0000000..1f383a6
--- /dev/null
+++ b/src/components/InputLabel.tsx
@@ -0,0 +1,13 @@
+import React from 'react'
+
+export default function InputLabel({
+  children,
+}: {
+  children: React.ReactNode
+}): JSX.Element {
+  return (
+    <label className="text-[10px] text-stone-400 mb-0.5 font-bold">
+      {children}
+    </label>
+  )
+}
diff --git a/src/hooks/useUploaderChannelRenewal.ts b/src/hooks/useUploaderChannelRenewal.ts
new file mode 100644
index 0000000..e1aefc8
--- /dev/null
+++ b/src/hooks/useUploaderChannelRenewal.ts
@@ -0,0 +1,40 @@
+import { useEffect } from 'react'
+import { useMutation } from '@tanstack/react-query'
+
+export function useUploaderChannelRenewal(
+  shortSlug: string | undefined,
+  renewInterval = 5000,
+): void {
+  const mutation = useMutation({
+    mutationFn: async () => {
+      const response = await fetch('/api/renew', {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({ slug: shortSlug }),
+      })
+      if (!response.ok) {
+        throw new Error('Network response was not ok')
+      }
+      return response.json()
+    },
+  })
+
+  useEffect(() => {
+    if (!shortSlug) return
+
+    let timeout: NodeJS.Timeout | null = null
+
+    const run = (): void => {
+      timeout = setTimeout(() => {
+        mutation.mutate()
+        run()
+      }, renewInterval)
+    }
+
+    run()
+
+    return () => {
+      if (timeout) clearTimeout(timeout)
+    }
+  }, [shortSlug, mutation, renewInterval])
+}