diff --git a/src/lib/components/ChatContent.svelte b/src/lib/components/ChatContent.svelte
index 3e0098d..50c286b 100644
--- a/src/lib/components/ChatContent.svelte
+++ b/src/lib/components/ChatContent.svelte
@@ -1,6 +1,7 @@
 <script lang="ts">
   import { loadNostrUser, type NostrUser } from "$lib/gadgets";
   import { tokenizeChat } from "$lib/linkify";
+  import { profilePath } from "$lib/forum/profiles";
   import {
     resolveThreadRef,
     threadRefHref,
@@ -39,9 +40,7 @@
 <span class="break-words whitespace-pre-wrap"
   >{#each tokens as t (t)}{#if t.type === "mention"}{@const u =
         profiles[t.pubkey] ?? resolvedUsers[t.pubkey]}<a
-        href="https://njump.me/{t.entity}"
-        target="_blank"
-        rel="noopener noreferrer"
+        href={profilePath(t.pubkey)}
         class="text-accent hover:underline">@{u?.shortName ?? t.fallback}</a
       >{:else if t.type === "entity"}{@const ref = t.id
         ? resolvedThreads[t.id]
diff --git a/src/lib/components/ChatSidebar.svelte b/src/lib/components/ChatSidebar.svelte
index d7f75c8..6f0af49 100644
--- a/src/lib/components/ChatSidebar.svelte
+++ b/src/lib/components/ChatSidebar.svelte
@@ -20,6 +20,7 @@
     ensureMembershipChecked,
   } from "$lib/join.svelte";
   import { activeGroup } from "$lib/active.svelte";
+  import { profilePath } from "$lib/forum/profiles";
   import type { NostrUser } from "@nostr/gadgets/metadata";
   import MentionAutocomplete from "$lib/components/MentionAutocomplete.svelte";
   import ChatContent from "$lib/components/ChatContent.svelte";
@@ -348,21 +349,30 @@
           {/if}
           <div>
             <div class="mb-1 flex items-center gap-2">
-              {#if author.picture}
-                <img
-                  src={author.picture}
-                  alt=""
-                  class="h-6 w-6 shrink-0 rounded-full object-cover"
-                />
-              {:else}
-                <span
-                  class="flex h-6 w-6 shrink-0 items-center justify-center rounded-full bg-neutral-200 text-xs font-semibold text-neutral-500 dark:bg-neutral-700 dark:text-neutral-400"
-                >
-                  {author.name[0].toUpperCase()}
-                </span>
-              {/if}
-              <span class="font-medium text-neutral-500 dark:text-neutral-400"
-                >{author.name}</span
+              <a
+                href={profilePath(msg.pubkey)}
+                class="shrink-0"
+                aria-hidden="true"
+                tabindex="-1"
+              >
+                {#if author.picture}
+                  <img
+                    src={author.picture}
+                    alt=""
+                    class="h-6 w-6 rounded-full object-cover"
+                  />
+                {:else}
+                  <span
+                    class="flex h-6 w-6 items-center justify-center rounded-full bg-neutral-200 text-xs font-semibold text-neutral-500 dark:bg-neutral-700 dark:text-neutral-400"
+                  >
+                    {author.name[0].toUpperCase()}
+                  </span>
+                {/if}
+              </a>
+              <a
+                href={profilePath(msg.pubkey)}
+                class="hover:text-accent truncate font-medium text-neutral-500 dark:text-neutral-400"
+                >{author.name}</a
               >
               <div class="ml-auto flex items-center gap-1">
                 <div class="relative">
diff --git a/src/lib/components/PostContent.svelte b/src/lib/components/PostContent.svelte
index f2fa139..40a37d4 100644
--- a/src/lib/components/PostContent.svelte
+++ b/src/lib/components/PostContent.svelte
@@ -1,6 +1,7 @@
 <script lang="ts">
   import { loadNostrUser, type NostrUser } from "$lib/gadgets";
   import * as nip19 from "@nostr/tools/nip19";
+  import { profilePath } from "$lib/forum/profiles";
   import {
     resolveThreadRef,
     threadRefHref,
@@ -611,11 +612,8 @@
       >
     {:else if inline.type === "mention"}
       {@const u = profiles[inline.pubkey] ?? resolvedUsers[inline.pubkey]}
-      <a
-        href="https://njump.me/{inline.entity}"
-        target="_blank"
-        rel="noopener noreferrer"
-        class="text-accent hover:underline">@{u?.shortName ?? inline.fallback}</a
+      <a href={profilePath(inline.pubkey)} class="text-accent hover:underline"
+        >@{u?.shortName ?? inline.fallback}</a
       >
     {:else if inline.type === "thread-quote"}
       {@const u = profiles[inline.pubkey] ?? resolvedUsers[inline.pubkey]}
@@ -700,7 +698,7 @@
         src={block.src}
         alt={block.alt}
         loading="lazy"
-        class="block mx-auto w-full max-h-[80vh] object-contain rounded"
+        class="mx-auto block max-h-[80vh] w-full rounded object-contain"
       />
     {:else if block.type === "blockquote"}
       <blockquote
diff --git a/src/lib/forum/profiles.ts b/src/lib/forum/profiles.ts
index b77eaef..a2edab5 100644
--- a/src/lib/forum/profiles.ts
+++ b/src/lib/forum/profiles.ts
@@ -55,3 +55,21 @@ export async function fetchProfiles(
   }
   return out;
 }
+
+// In-app profile page, always addressed by npub.
+export function profilePath(pubkey: string): string {
+  return `/profile/${nip19.npubEncode(pubkey)}`;
+}
+
+// The pubkey behind a profile URL segment: npub, nprofile or bare hex.
+export function decodeProfileId(id: string): string | null {
+  if (/^[0-9a-f]{64}$/.test(id)) return id;
+  try {
+    const decoded = nip19.decode(id);
+    if (decoded.type === "npub") return decoded.data;
+    if (decoded.type === "nprofile") return decoded.data.pubkey;
+  } catch {
+    // Not a bech32 entity
+  }
+  return null;
+}
diff --git a/src/lib/forum/userPosts.ts b/src/lib/forum/userPosts.ts
new file mode 100644
index 0000000..bbb2aac
--- /dev/null
+++ b/src/lib/forum/userPosts.ts
@@ -0,0 +1,69 @@
+import type { Event } from "@nostr/tools/core";
+import { tag, type Query } from "./query";
+
+export type UserPost = {
+  id: string;
+  threadId: string; // the root thread; equals `id` for a root post
+  title: string; // thread title, empty when the root is unreachable
+  groupId: string;
+  createdAt: number;
+  content: string;
+};
+
+export type UserPosts = { roots: UserPost[]; replies: UserPost[] };
+
+export const USER_POSTS_LIMIT = 50;
+
+function newestFirst(events: Event[]): Event[] {
+  return [...events].sort((a, b) => b.created_at - a.created_at);
+}
+
+// A user's latest root posts (kind 11) and replies (kind 1111). `groupId`
+// scopes the lookup to one group (simple mode); otherwise every group the
+// relay serves the caller counts.
+export async function fetchUserPosts(
+  q: Query,
+  pubkey: string,
+  groupId?: string,
+): Promise<UserPosts> {
+  const scope = groupId ? { "#h": [groupId] } : {};
+  const [ops, replies] = await Promise.all([
+    q({ kinds: [11], authors: [pubkey], ...scope, limit: USER_POSTS_LIMIT }),
+    q({ kinds: [1111], authors: [pubkey], ...scope, limit: USER_POSTS_LIMIT }),
+  ]);
+
+  const rootIds = [
+    ...new Set(
+      replies.map((r) => tag(r, "E")).filter((id): id is string => !!id),
+    ),
+  ];
+  const titles = new Map<string, string>();
+  if (rootIds.length > 0) {
+    const roots = await q({ kinds: [11], ids: rootIds });
+    for (const e of roots) titles.set(e.id, tag(e, "title") ?? "(untitled)");
+  }
+
+  return {
+    roots: newestFirst(ops).map((e) => ({
+      id: e.id,
+      threadId: e.id,
+      title: tag(e, "title") ?? "(untitled)",
+      groupId: tag(e, "h") ?? groupId ?? "",
+      createdAt: e.created_at,
+      content: e.content,
+    })),
+    replies: newestFirst(replies)
+      .filter((e) => tag(e, "E"))
+      .map((e) => {
+        const threadId = tag(e, "E")!;
+        return {
+          id: e.id,
+          threadId,
+          title: titles.get(threadId) ?? "",
+          groupId: tag(e, "h") ?? groupId ?? "",
+          createdAt: e.created_at,
+          content: e.content,
+        };
+      }),
+  };
+}
diff --git a/src/lib/profiles.svelte.ts b/src/lib/profiles.svelte.ts
index 9e9d49d..6765804 100644
--- a/src/lib/profiles.svelte.ts
+++ b/src/lib/profiles.svelte.ts
@@ -305,10 +305,9 @@ export function ingestProfileEvent(evt: Event) {
   if (entry) upsertProfile(entry);
 }
 
-export function ingestNostrUser(user: NostrUser) {
-  if (!user.pubkey) return;
+export function entryFromUser(user: NostrUser): ProfileEntry {
   const md = user.metadata ?? {};
-  const entry: ProfileEntry = {
+  return {
     pubkey: user.pubkey,
     npub: user.npub,
     name: md.name,
@@ -320,5 +319,9 @@ export function ingestNostrUser(user: NostrUser) {
     lud16: md.lud16,
     fetchedAt: user.lastUpdated || 0,
   };
-  upsertProfile(entry);
+}
+
+export function ingestNostrUser(user: NostrUser) {
+  if (!user.pubkey) return;
+  upsertProfile(entryFromUser(user));
 }
diff --git a/src/lib/seo.ts b/src/lib/seo.ts
index 961a4e1..4458073 100644
--- a/src/lib/seo.ts
+++ b/src/lib/seo.ts
@@ -1,17 +1,38 @@
-// Plain-text excerpt of a markdown body for description meta tags: the first
-// paragraph that isn't a heading or a bare media URL, trimmed to `max` chars.
-export function excerpt(markdown: string, max = 160): string {
-  const lines = markdown.split("\n").map((l) => l.trim());
-  const line = lines.find(
-    (l) => l && !l.startsWith("#") && !/^https?:\/\/\S+$/.test(l),
-  );
-  if (!line) return "";
-  const text = line
+// Markdown inline syntax reduced to plain text.
+function stripInline(text: string): string {
+  return text
     .replace(/!\[[^\]]*\]\([^)]*\)/g, "") // images
     .replace(/\[([^\]]*)\]\([^)]*\)/g, "$1") // links → label
     .replace(/[*_`~]+/g, "")
     .replace(/nostr:([a-z0-9]{12})[a-z0-9]*/g, "@$1…") // keep a short handle
     .replace(/\s+/g, " ")
     .trim();
+}
+
+function truncate(text: string, max: number): string {
   return text.length > max ? text.slice(0, max - 1).trimEnd() + "…" : text;
 }
+
+function isProse(line: string): boolean {
+  return !!line && !line.startsWith("#") && !/^https?:\/\/\S+$/.test(line);
+}
+
+// Plain-text excerpt of a markdown body for description meta tags: the first
+// paragraph that isn't a heading or a bare media URL, trimmed to `max` chars.
+export function excerpt(markdown: string, max = 160): string {
+  const line = markdown
+    .split("\n")
+    .map((l) => l.trim())
+    .find(isProse);
+  return line ? truncate(stripInline(line), max) : "";
+}
+
+// The whole body flattened to one plain-text line, trimmed to `max` chars.
+// Headings, bare media URLs, code fences and block markers are dropped.
+export function summarize(markdown: string, max = 200): string {
+  const lines = markdown
+    .split("\n")
+    .map((l) => l.trim().replace(/^(?:>\s*|[-*+]\s+|\d+[.)]\s+)+/, ""))
+    .filter((l) => isProse(l) && !l.startsWith("```"));
+  return truncate(stripInline(lines.join(" ")), max);
+}
diff --git a/src/lib/userPosts.svelte.ts b/src/lib/userPosts.svelte.ts
new file mode 100644
index 0000000..9cdfc7a
--- /dev/null
+++ b/src/lib/userPosts.svelte.ts
@@ -0,0 +1,35 @@
+import { GROUP_ID, MODE } from "$lib/config";
+import { queryForum } from "$lib/relay";
+import { fetchUserPosts, type UserPosts } from "$lib/forum/userPosts";
+
+export type { UserPosts };
+
+let pubkey = $state<string | null>(null);
+let posts = $state<UserPosts | null>(null);
+
+// Posts of the profile last loaded. Consumers check `pubkey` against the
+// page's, so a stale result never shows under another user's name.
+export const userPostsStore = {
+  get pubkey() {
+    return pubkey;
+  },
+  get posts() {
+    return posts;
+  },
+};
+
+export async function loadUserPosts(pk: string) {
+  pubkey = pk;
+  posts = null;
+  let result: UserPosts = { roots: [], replies: [] };
+  try {
+    result = await fetchUserPosts(
+      queryForum,
+      pk,
+      MODE === "simple" ? GROUP_ID : undefined,
+    );
+  } catch (e) {
+    console.error("[profile] failed to load posts", e);
+  }
+  if (pubkey === pk) posts = result;
+}
diff --git a/src/routes/api/profile/[id]/+server.ts b/src/routes/api/profile/[id]/+server.ts
new file mode 100644
index 0000000..d4d8fe2
--- /dev/null
+++ b/src/routes/api/profile/[id]/+server.ts
@@ -0,0 +1,20 @@
+import { error, json } from "@sveltejs/kit";
+import { CACHE_CONTROL, GROUP_ID, MODE } from "$lib/config";
+import { decodeProfileId, fetchProfiles } from "$lib/forum/profiles";
+import { fetchUserPosts } from "$lib/forum/userPosts";
+import { forumQuery, profileQuery } from "$lib/ssr/relay";
+
+export async function GET({ params, setHeaders }) {
+  setHeaders({ "cache-control": CACHE_CONTROL });
+  const pubkey = decodeProfileId(params.id);
+  if (!pubkey) error(404, "Not found");
+  const [profiles, posts] = await Promise.all([
+    fetchProfiles(profileQuery, [pubkey]),
+    fetchUserPosts(
+      forumQuery,
+      pubkey,
+      MODE === "simple" ? GROUP_ID : undefined,
+    ),
+  ]);
+  return json({ pubkey, posts, profiles });
+}
diff --git a/src/routes/contacts/+page.svelte b/src/routes/contacts/+page.svelte
index 313431c..c73aa07 100644
--- a/src/routes/contacts/+page.svelte
+++ b/src/routes/contacts/+page.svelte
@@ -11,8 +11,10 @@
   import {
     profileStore,
     ensureProfile,
+    entryFromUser,
     type ProfileEntry,
   } from "$lib/profiles.svelte";
+  import { profilePath } from "$lib/forum/profiles";
   import { partialsStore } from "$lib/partials.svelte";
   import PostContent from "$lib/components/PostContent.svelte";
   import { page } from "$app/state";
@@ -58,20 +60,7 @@
   // Server-rendered profile, used until the live one is fetched.
   function snapshotEntry(pk: string): ProfileEntry | undefined {
     const u = page.data.profiles?.[pk];
-    if (!u) return undefined;
-    const md = u.metadata ?? {};
-    return {
-      pubkey: pk,
-      npub: u.npub,
-      name: md.name,
-      displayName: md.display_name,
-      nip05: md.nip05,
-      picture: md.picture ?? u.image,
-      about: md.about,
-      website: md.website,
-      lud16: md.lud16,
-      fetchedAt: u.lastUpdated || 0,
-    };
+    return u ? entryFromUser(u) : undefined;
   }
 
   function displayName(c: Contact): string {
@@ -113,26 +102,35 @@
           class="rounded-lg border border-neutral-100 p-4 shadow-sm dark:border-neutral-800"
         >
           <div class="flex gap-4">
-            {#if c.entry?.picture}
-              <img
-                src={c.entry.picture}
-                alt=""
-                class="h-14 w-14 shrink-0 rounded-full object-cover"
-              />
-            {:else}
-              <span
-                class="flex h-14 w-14 shrink-0 items-center justify-center rounded-full bg-neutral-200 text-lg font-semibold text-neutral-500 dark:bg-neutral-700 dark:text-neutral-400"
-              >
-                {displayName(c)[0].toUpperCase()}
-              </span>
-            {/if}
+            <a
+              href={profilePath(c.pubkey)}
+              class="shrink-0"
+              aria-hidden="true"
+              tabindex="-1"
+            >
+              {#if c.entry?.picture}
+                <img
+                  src={c.entry.picture}
+                  alt=""
+                  class="h-14 w-14 rounded-full object-cover"
+                />
+              {:else}
+                <span
+                  class="flex h-14 w-14 items-center justify-center rounded-full bg-neutral-200 text-lg font-semibold text-neutral-500 dark:bg-neutral-700 dark:text-neutral-400"
+                >
+                  {displayName(c)[0].toUpperCase()}
+                </span>
+              {/if}
+            </a>
 
             <div class="flex min-w-0 flex-1 items-start justify-between gap-3">
               <div class="min-w-0">
                 <p
                   class="truncate text-2xl font-medium text-neutral-900 dark:text-neutral-100"
                 >
-                  {displayName(c)}
+                  <a href={profilePath(c.pubkey)} class="hover:text-accent">
+                    {displayName(c)}
+                  </a>
                 </p>
                 {#if c.entry?.nip05}
                   <p class="truncate text-neutral-400 dark:text-neutral-500">
@@ -141,12 +139,10 @@
                 {/if}
               </div>
               <a
-                href="https://njump.me/{c.npub}"
-                target="_blank"
-                rel="noopener noreferrer"
+                href={profilePath(c.pubkey)}
                 class="text-accent shrink-0 text-sm hover:underline"
               >
-                View profile ↗
+                View profile
               </a>
             </div>
           </div>
diff --git a/src/routes/profile/[id]/+page.svelte b/src/routes/profile/[id]/+page.svelte
new file mode 100644
index 0000000..df07c79
--- /dev/null
+++ b/src/routes/profile/[id]/+page.svelte
@@ -0,0 +1,236 @@
+<script lang="ts">
+  import { page } from "$app/state";
+  import { MODE } from "$lib/config";
+  import { getGroupName } from "$lib/group.svelte";
+  import {
+    profileStore,
+    ensureProfile,
+    entryFromUser,
+    type ProfileEntry,
+  } from "$lib/profiles.svelte";
+  import { userPostsStore, loadUserPosts } from "$lib/userPosts.svelte";
+  import type { UserPost } from "$lib/forum/userPosts";
+  import Meta from "$lib/components/Meta.svelte";
+  import { summarize } from "$lib/seo";
+
+  const pubkey = $derived<string | null>(page.data.pubkey ?? null);
+
+  $effect(() => {
+    if (!pubkey) return;
+    ensureProfile(pubkey);
+    loadUserPosts(pubkey);
+  });
+
+  // Server-rendered profile, used until the live one is fetched.
+  const entry = $derived.by<ProfileEntry | undefined>(() => {
+    if (!pubkey) return undefined;
+    const live = profileStore.profiles.get(pubkey);
+    if (live) return live;
+    const u = page.data.profiles?.[pubkey];
+    return u ? entryFromUser(u) : undefined;
+  });
+
+  const posts = $derived(
+    pubkey && userPostsStore.pubkey === pubkey
+      ? userPostsStore.posts
+      : (page.data.posts ?? null),
+  );
+
+  const npub = $derived(entry?.npub ?? page.params.id ?? "");
+  const name = $derived(
+    entry?.displayName || entry?.name || `${npub.slice(0, 12)}…`,
+  );
+  const initial = $derived(name[0]?.toUpperCase() ?? "?");
+
+  function websiteHref(url: string): string {
+    return /^https?:\/\//i.test(url) ? url : `https://${url}`;
+  }
+
+  function websiteLabel(url: string): string {
+    return url.replace(/^https?:\/\//i, "").replace(/\/$/, "");
+  }
+
+  function formatDate(ts: number) {
+    return new Date(ts * 1000).toLocaleDateString("en-US", {
+      year: "numeric",
+      month: "short",
+      day: "numeric",
+    });
+  }
+
+  function postHref(p: UserPost): string {
+    return p.id === p.threadId
+      ? `/thread/${p.threadId}`
+      : `/thread/${p.threadId}#post-${p.id}`;
+  }
+
+  const jsonLd = $derived(
+    pubkey
+      ? {
+          "@context": "https://schema.org",
+          "@type": "Person",
+          name,
+          url: page.url.origin + page.url.pathname,
+          ...(entry?.picture ? { image: entry.picture } : {}),
+          ...(entry?.about ? { description: summarize(entry.about, 160) } : {}),
+        }
+      : undefined,
+  );
+</script>
+
+<Meta
+  title={name}
+  description={entry?.about ? summarize(entry.about, 160) : ""}
+  image={entry?.picture}
+  {jsonLd}
+/>
+
+{#snippet postList(items: UserPost[], empty: string)}
+  {#if items.length === 0}
+    <p class="py-3 text-sm text-neutral-400 dark:text-neutral-500">{empty}</p>
+  {:else}
+    <ul class="divide-y divide-neutral-100 dark:divide-neutral-800">
+      {#each items as p (p.id)}
+        {@const text = summarize(p.content, 200)}
+        <li class="py-3">
+          <a href={postHref(p)} class="group block">
+            {#if p.title}
+              <p
+                class="group-hover:text-accent line-clamp-2 text-lg leading-5 text-neutral-900 dark:text-neutral-100"
+              >
+                {p.title}
+              </p>
+            {/if}
+            {#if text}
+              <p
+                class="mt-1 text-sm leading-5 text-neutral-600 dark:text-neutral-400"
+              >
+                {text}
+              </p>
+            {/if}
+          </a>
+          <div
+            class="mt-1.5 flex items-center gap-1.5 text-xs text-neutral-400 dark:text-neutral-500"
+          >
+            {#if MODE === "full"}
+              <a href="/room/{p.groupId}" class="hover:text-accent truncate"
+                >{getGroupName(p.groupId)}</a
+              >
+              <span aria-hidden="true">·</span>
+            {/if}
+            <time datetime={new Date(p.createdAt * 1000).toISOString()}
+              >{formatDate(p.createdAt)}</time
+            >
+          </div>
+        </li>
+      {/each}
+    </ul>
+  {/if}
+{/snippet}
+
+<div class="mx-auto max-w-6xl">
+  {#if !pubkey}
+    <h1 class="text-accent py-2 text-[1.65rem]">Profile</h1>
+    <p class="py-12 text-center text-neutral-400 dark:text-neutral-500">
+      Profile not found.
+    </p>
+  {:else}
+    <h1 class="text-accent py-2 text-[1.65rem]">{name}</h1>
+
+    <div class="mt-2 flex items-start gap-6">
+      <div class="min-w-0 flex-1">
+        {#if entry?.nip05}
+          <p class="truncate text-neutral-400 dark:text-neutral-500">
+            {entry.nip05}
+          </p>
+        {/if}
+
+        {#if entry?.about}
+          <p
+            class="mt-2 whitespace-pre-line text-neutral-600 dark:text-neutral-400"
+          >
+            {entry.about}
+          </p>
+        {/if}
+
+        <div class="mt-3 flex flex-wrap items-center gap-x-4 gap-y-1">
+          {#if entry?.website}
+            <a
+              href={websiteHref(entry.website)}
+              target="_blank"
+              rel="noopener noreferrer"
+              class="text-accent truncate hover:underline"
+            >
+              {websiteLabel(entry.website)}
+            </a>
+          {/if}
+          {#if entry?.lud16}
+            <span
+              class="text-neutral-500 dark:text-neutral-400"
+              title="Lightning address"
+            >
+              ⚡ {entry.lud16}
+            </span>
+          {/if}
+          <a
+            href="https://njump.me/{npub}"
+            target="_blank"
+            rel="noopener noreferrer"
+            class="text-accent text-sm hover:underline"
+          >
+            View on njump ↗
+          </a>
+        </div>
+      </div>
+
+      {#if entry?.picture}
+        <img
+          src={entry.picture}
+          alt=""
+          class="h-24 w-24 shrink-0 rounded-full object-cover sm:h-32 sm:w-32"
+        />
+      {:else}
+        <span
+          class="flex h-24 w-24 shrink-0 items-center justify-center rounded-full bg-neutral-200 text-3xl font-semibold text-neutral-500 sm:h-32 sm:w-32 dark:bg-neutral-700 dark:text-neutral-400"
+          aria-hidden="true"
+        >
+          {initial}
+        </span>
+      {/if}
+    </div>
+
+    <div class="mt-10 grid gap-10 md:grid-cols-2 md:gap-8">
+      <section aria-labelledby="profile-discussions">
+        <h2
+          id="profile-discussions"
+          class="text-accent border-b border-neutral-100 pb-2 text-[1.5rem] leading-7 dark:border-neutral-800"
+        >
+          Discussions
+        </h2>
+        {#if !posts}
+          <p class="py-3 text-sm text-neutral-400 dark:text-neutral-500">
+            Loading…
+          </p>
+        {:else}
+          {@render postList(posts.roots, "No discussions yet.")}
+        {/if}
+      </section>
+
+      <section aria-labelledby="profile-replies">
+        <h2
+          id="profile-replies"
+          class="text-accent border-b border-neutral-100 pb-2 text-[1.5rem] leading-7 dark:border-neutral-800"
+        >
+          Replies
+        </h2>
+        {#if !posts}
+          <p class="py-3 text-sm text-neutral-400 dark:text-neutral-500">
+            Loading…
+          </p>
+        {:else}
+          {@render postList(posts.replies, "No replies yet.")}
+        {/if}
+      </section>
+    </div>
+  {/if}
+</div>
diff --git a/src/routes/profile/[id]/+page.ts b/src/routes/profile/[id]/+page.ts
new file mode 100644
index 0000000..d3de4d5
--- /dev/null
+++ b/src/routes/profile/[id]/+page.ts
@@ -0,0 +1,24 @@
+import { redirect } from "@sveltejs/kit";
+import * as nip19 from "@nostr/tools/nip19";
+import { decodeProfileId } from "$lib/forum/profiles";
+import { snapshot, type Profiles } from "$lib/forum/snapshot";
+import type { UserPosts } from "$lib/forum/userPosts";
+
+// nprofile and hex forms redirect to the canonical npub URL. An invalid id
+// is a server 404 (via the endpoint) and an in-page message on the client.
+export async function load({ fetch, params }) {
+  const pubkey = decodeProfileId(params.id);
+  if (pubkey) {
+    const npub = nip19.npubEncode(pubkey);
+    if (params.id !== npub) redirect(301, `/profile/${npub}`);
+  }
+  const data = await snapshot<{ posts: UserPosts; profiles: Profiles }>(
+    fetch,
+    `/api/profile/${params.id}`,
+  );
+  return {
+    pubkey,
+    posts: data?.posts ?? null,
+    profiles: data?.profiles ?? null,
+  };
+}
diff --git a/src/routes/thread/[id]/+page.svelte b/src/routes/thread/[id]/+page.svelte
index 8e36491..2903a22 100644
--- a/src/routes/thread/[id]/+page.svelte
+++ b/src/routes/thread/[id]/+page.svelte
@@ -26,6 +26,7 @@
   import { setActiveGroup } from "$lib/active.svelte";
   import { applyHighlights, clearHighlights } from "$lib/pageHighlight";
   import { RELAY_URL, MODE } from "$lib/config";
+  import { profilePath } from "$lib/forum/profiles";
   import ThreadScrubber from "$lib/components/ThreadScrubber.svelte";
   import MessageEditor from "$lib/components/MessageEditor.svelte";
   import PostContent from "$lib/components/PostContent.svelte";
@@ -373,20 +374,31 @@
 )}
   {@const author = resolveAuthor(p.pubkey, profiles)}
   <div use:bindEl class="md:flex md:items-start md:gap-6">
-    <div class="hidden flex-shrink-0 md:block">
+    <a
+      href={profilePath(author.pubkey)}
+      class="hidden flex-shrink-0 md:block"
+      aria-hidden="true"
+      tabindex="-1"
+    >
       {@render avatar(author)}
-    </div>
+    </a>
     <div class="min-w-0 flex-1">
       <div
         class="mb-4 flex items-center justify-between md:mb-3 md:items-baseline"
       >
         <div class="flex min-w-0 items-center gap-3">
-          <div class="flex-shrink-0 md:hidden">
+          <a
+            href={profilePath(author.pubkey)}
+            class="flex-shrink-0 md:hidden"
+            aria-hidden="true"
+            tabindex="-1"
+          >
             {@render avatar(author)}
-          </div>
-          <span
-            class="truncate font-medium text-neutral-500 dark:text-neutral-400"
-            >{author.name}</span
+          </a>
+          <a
+            href={profilePath(author.pubkey)}
+            class="hover:text-accent truncate font-medium text-neutral-500 dark:text-neutral-400"
+            >{author.name}</a
           >
         </div>
         <div class="ml-4 flex flex-shrink-0 items-center gap-1">