diff --git a/public/style.css b/public/style.css
index 5ced5f4..7ce63c9 100644
--- a/public/style.css
+++ b/public/style.css
@@ -170,8 +170,7 @@ input[type="file"] {
 input[type="file"]::-webkit-file-upload-button {
   font-family: var(--font);
   font-size: 11px;
-  letter-spacing: 0.06em;
-  text-transform: uppercase;
+  letter-spacing: 0.02em;
   background: var(--black);
   color: var(--white);
   border: none;
@@ -182,8 +181,7 @@ input[type="file"]::-webkit-file-upload-button {
 input[type="file"]::file-selector-button {
   font-family: var(--font);
   font-size: 11px;
-  letter-spacing: 0.06em;
-  text-transform: uppercase;
+  letter-spacing: 0.02em;
   background: var(--black);
   color: var(--white);
   border: none;
@@ -200,8 +198,7 @@ button[type="submit"],
   font-family: var(--font);
   font-size: 11px;
   font-weight: 600;
-  letter-spacing: 0.08em;
-  text-transform: uppercase;
+  letter-spacing: 0.02em;
   background: var(--black);
   color: var(--white);
   border: var(--border);
@@ -237,8 +234,7 @@ a.btn {
   padding: 0.6rem 1.25rem;
   font-size: 11px;
   font-weight: 600;
-  letter-spacing: 0.08em;
-  text-transform: uppercase;
+  letter-spacing: 0.02em;
   text-decoration: none;
   background: var(--black);
   color: var(--white);
@@ -285,8 +281,7 @@ a.btn:hover {
   font-family: var(--font);
   font-size: 11px;
   font-weight: 600;
-  letter-spacing: 0.08em;
-  text-transform: uppercase;
+  letter-spacing: 0.02em;
   background: var(--white);
   color: var(--black);
   border: var(--border);
diff --git a/src/routes/pages.ts b/src/routes/pages.ts
index c14f363..ac1a1b9 100644
--- a/src/routes/pages.ts
+++ b/src/routes/pages.ts
@@ -119,9 +119,16 @@ export const pageRoutes: FastifyPluginAsync<{ deps: Deps }> = async (app, { deps
     reply.redirect('/files');
   });
 
-  // GET /f/:id — public file view
+  // GET /f/:id — public file view (owner-aware)
   app.get<{ Params: { id: string } }>('/f/:id', async (request, reply) => {
     const { id } = request.params;
+
+    let userId: number | null = null;
+    try {
+      await request.jwtVerify();
+      userId = (request.user as JwtPayload).sub;
+    } catch { /* not logged in — fine */ }
+
     const file = getFileById(db, id);
 
     if (!file) {
@@ -129,7 +136,8 @@ export const pageRoutes: FastifyPluginAsync<{ deps: Deps }> = async (app, { deps
       return reply.status(404).type('text/html').send(notFoundPage());
     }
 
-    reply.type('text/html').send(fileViewPage(file));
+    const isOwner = userId !== null && userId === file.user_id;
+    reply.type('text/html').send(fileViewPage(file, isOwner));
   });
 
   // GET /f/:id/raw — serve raw file
diff --git a/src/views/file-view.ts b/src/views/file-view.ts
index 4ff28ae..628ce86 100644
--- a/src/views/file-view.ts
+++ b/src/views/file-view.ts
@@ -1,7 +1,7 @@
 import { layout, escHtml } from './layout.ts';
 import type { FileRow } from '../db/files.ts';
 
-export function fileViewPage(file: FileRow): string {
+export function fileViewPage(file: FileRow, isOwner: boolean): string {
   const rawUrl = escHtml(`/f/${file.id}/raw`);
   const safeName = escHtml(file.original_name);
   const actions = `
@@ -10,6 +10,12 @@ export function fileViewPage(file: FileRow): string {
       <a href="${rawUrl}" target="_blank" class="btn">Open</a>
     </div>`;
 
+  const deleteForm = isOwner
+    ? `<form method="POST" action="/files/${escHtml(file.id)}/delete">
+      <button type="submit" class="danger">Delete</button>
+    </form>`
+    : '';
+
   let media = '';
   if (file.mime_type.startsWith('image/')) {
     media = `<img src="${rawUrl}" alt="${safeName}">`;
@@ -19,11 +25,14 @@ export function fileViewPage(file: FileRow): string {
     media = `<audio controls src="${rawUrl}" preload="metadata"></audio>`;
   }
 
+  const layoutOpts = isOwner ? { authed: true } : { hideHeader: true };
+
   return layout(file.original_name, `
     <div class="file-view">
       <h1>${safeName}</h1>
       ${media}
       ${actions}
+      ${deleteForm}
     </div>
-  `, { hideLogo: true });
+  `, layoutOpts);
 }
diff --git a/src/views/layout.ts b/src/views/layout.ts
index c4312ba..a519c48 100644
--- a/src/views/layout.ts
+++ b/src/views/layout.ts
@@ -1,5 +1,5 @@
-export function layout(title: string, body: string, opts: { authed?: boolean; hideLogo?: boolean } = {}): string {
-  const { authed = false, hideLogo = false } = opts;
+export function layout(title: string, body: string, opts: { authed?: boolean; hideHeader?: boolean } = {}): string {
+  const { authed = false, hideHeader = false } = opts;
   const nav = authed
     ? `<nav>
         <a href="/upload">Upload</a>
@@ -10,6 +10,13 @@ export function layout(title: string, body: string, opts: { authed?: boolean; hi
        </nav>`
     : '';
 
+  const header = hideHeader
+    ? ''
+    : `  <header>
+    <a href="/" class="logo">Nanodrop</a>
+    ${nav}
+  </header>`;
+
   return `<!DOCTYPE html>
 <html lang="en">
 <head>
@@ -19,10 +26,7 @@ export function layout(title: string, body: string, opts: { authed?: boolean; hi
   <link rel="stylesheet" href="/public/style.css">
 </head>
 <body>
-  <header>
-    ${hideLogo ? '' : '<a href="/" class="logo">Nanodrop</a>'}
-    ${nav}
-  </header>
+${header}
   <main>
     ${body}
   </main>
diff --git a/tests/integration/pages.test.ts b/tests/integration/pages.test.ts
index e395053..322d60b 100644
--- a/tests/integration/pages.test.ts
+++ b/tests/integration/pages.test.ts
@@ -181,6 +181,57 @@ describe('GET /files — copy link', () => {
   });
 });
 
+describe('GET /f/:id — owner-aware header', () => {
+  let ctx: TestContext;
+  let aliceToken: string;
+  let bobToken: string;
+  let fileId: string;
+
+  beforeEach(async () => {
+    ctx = createTestApp();
+    const hash = await hashPassword('secret');
+    createUser(ctx.db, { username: 'alice', passwordHash: hash });
+    createUser(ctx.db, { username: 'bob', passwordHash: hash });
+
+    aliceToken = await loginAs(ctx.app, 'alice', 'secret');
+    bobToken = await loginAs(ctx.app, 'bob', 'secret');
+
+    const uploadRes = await ctx.app.inject({
+      method: 'POST',
+      url: '/upload',
+      cookies: { token: aliceToken },
+      ...buildMultipart({ file: { filename: 'owned.txt', contentType: 'text/plain', data: Buffer.from('data') } }),
+    });
+    const match = uploadRes.body.match(/\/f\/([^/"]+)/);
+    fileId = match?.[1] ?? '';
+  });
+  afterEach(async () => { await ctx.app.close(); ctx.cleanup(); });
+
+  it('shows nav when owner views their file', async () => {
+    const res = await ctx.app.inject({ method: 'GET', url: `/f/${fileId}`, cookies: { token: aliceToken } });
+    expect(res.statusCode).toBe(200);
+    expect(res.body).toContain('My Files');
+  });
+
+  it('shows delete button when owner views', async () => {
+    const res = await ctx.app.inject({ method: 'GET', url: `/f/${fileId}`, cookies: { token: aliceToken } });
+    expect(res.statusCode).toBe(200);
+    expect(res.body).toContain('delete');
+  });
+
+  it('no header when non-owner views', async () => {
+    const res = await ctx.app.inject({ method: 'GET', url: `/f/${fileId}`, cookies: { token: bobToken } });
+    expect(res.statusCode).toBe(200);
+    expect(res.body).not.toContain('<header');
+  });
+
+  it('no header when unauthenticated', async () => {
+    const res = await ctx.app.inject({ method: 'GET', url: `/f/${fileId}` });
+    expect(res.statusCode).toBe(200);
+    expect(res.body).not.toContain('<header');
+  });
+});
+
 describe('POST /files/:id/delete', () => {
   let ctx: TestContext;
   let token: string;