diff --git a/packages/app/src/components/content/NostrGrid.vue b/packages/app/src/components/content/NostrGrid.vue
index b41e6a25..25f37f2f 100644
--- a/packages/app/src/components/content/NostrGrid.vue
+++ b/packages/app/src/components/content/NostrGrid.vue
@@ -21,6 +21,9 @@
     <!-- Relays sub-tab -->
     <NostrRelayManager v-else-if="activeSubTab === 'relays'" />
 
+    <!-- Profile sub-tab -->
+    <NostrProfileEditor v-else-if="activeSubTab === 'profile'" />
+
     <!-- Feed sub-tab -->
     <template v-else>
     <div class="p-4 space-y-3 border-b border-white/[0.08]">
@@ -195,6 +198,7 @@
 import { ref, computed, onMounted, nextTick } from 'vue'
 import NostrDMs from './NostrDMs.vue'
 import NostrRelayManager from './NostrRelayManager.vue'
+import NostrProfileEditor from './NostrProfileEditor.vue'
 import { useNostr, type NostrNote, type PublishResult } from '@/composables/useNostr'
 import { useNostrIdentity } from '@/composables/useNostrIdentity'
 
@@ -203,11 +207,12 @@ defineEmits<{ selectNote: [note: NostrNote] }>()
 const { events: notes, isConnected, relayStates, connect, publishEvent } = useNostr()
 const { isLoggedIn, signEvent } = useNostrIdentity()
 
-const activeSubTab = ref<'feed' | 'dms' | 'relays'>('feed')
+const activeSubTab = ref<'feed' | 'dms' | 'relays' | 'profile'>('feed')
 const subTabs = [
   { id: 'feed' as const, label: 'Feed' },
   { id: 'dms' as const, label: 'Messages' },
   { id: 'relays' as const, label: 'Relays' },
+  { id: 'profile' as const, label: 'Profile' },
 ]
 
 const search = ref('')
diff --git a/packages/app/src/components/content/NostrProfileEditor.vue b/packages/app/src/components/content/NostrProfileEditor.vue
new file mode 100644
index 00000000..9292950a
--- /dev/null
+++ b/packages/app/src/components/content/NostrProfileEditor.vue
@@ -0,0 +1,221 @@
+<template>
+  <div class="h-full flex flex-col">
+    <div class="p-4 border-b border-white/[0.08]">
+      <h3 class="text-sm font-bold text-white/90">Nostr Profile</h3>
+    </div>
+
+    <div v-if="!isLoggedIn" class="flex-1 flex items-center justify-center">
+      <p class="text-xs text-white/30">Sign in with Nostr to edit your profile</p>
+    </div>
+
+    <div v-else class="flex-1 overflow-y-auto custom-scrollbar px-4 pt-3 pb-16 space-y-4">
+      <!-- Profile card preview -->
+      <div class="rounded-xl overflow-hidden border border-white/5">
+        <div
+          class="h-24 bg-cover bg-center"
+          :style="profile.banner ? { backgroundImage: `url(${profile.banner})` } : {}"
+          :class="!profile.banner ? 'bg-gradient-to-r from-accent/20 to-purple-500/20' : ''"
+        />
+        <div class="px-4 pb-4 -mt-8">
+          <div
+            class="w-16 h-16 rounded-full border-2 border-black bg-cover bg-center flex items-center justify-center"
+            :style="profile.picture ? { backgroundImage: `url(${profile.picture})` } : {}"
+            :class="!profile.picture ? 'bg-accent/20' : ''"
+          >
+            <span v-if="!profile.picture" class="text-lg font-bold text-accent">
+              {{ (profile.display_name || profile.name || '?').charAt(0).toUpperCase() }}
+            </span>
+          </div>
+          <p class="text-sm font-bold text-white/90 mt-2">{{ profile.display_name || profile.name || 'Anonymous' }}</p>
+          <p v-if="profile.nip05" class="text-[10px] text-purple-400/60">{{ profile.nip05 }}</p>
+          <p v-if="profile.about" class="text-xs text-white/50 mt-1 line-clamp-2">{{ profile.about }}</p>
+        </div>
+      </div>
+
+      <!-- Edit form -->
+      <div class="space-y-3">
+        <div>
+          <label class="text-[10px] text-white/30 block mb-1">Display Name</label>
+          <input
+            v-model="profile.display_name"
+            type="text"
+            class="w-full px-3 py-2 rounded-lg text-xs bg-white/5 text-white/80 placeholder:text-white/25 outline-none focus:bg-white/10 transition-colors"
+            placeholder="Your display name"
+          />
+        </div>
+
+        <div>
+          <label class="text-[10px] text-white/30 block mb-1">Username</label>
+          <input
+            v-model="profile.name"
+            type="text"
+            class="w-full px-3 py-2 rounded-lg text-xs bg-white/5 text-white/80 placeholder:text-white/25 outline-none focus:bg-white/10 transition-colors"
+            placeholder="username"
+          />
+        </div>
+
+        <div>
+          <label class="text-[10px] text-white/30 block mb-1">Bio</label>
+          <textarea
+            v-model="profile.about"
+            class="w-full px-3 py-2 rounded-lg text-xs bg-white/5 text-white/80 placeholder:text-white/25 outline-none focus:bg-white/10 transition-colors resize-none min-h-[60px]"
+            placeholder="Tell the world about yourself"
+          />
+        </div>
+
+        <div>
+          <label class="text-[10px] text-white/30 block mb-1">Avatar URL</label>
+          <input
+            v-model="profile.picture"
+            type="url"
+            class="w-full px-3 py-2 rounded-lg text-xs bg-white/5 text-white/80 placeholder:text-white/25 outline-none focus:bg-white/10 transition-colors font-mono"
+            placeholder="https://example.com/avatar.jpg"
+          />
+        </div>
+
+        <div>
+          <label class="text-[10px] text-white/30 block mb-1">Banner URL</label>
+          <input
+            v-model="profile.banner"
+            type="url"
+            class="w-full px-3 py-2 rounded-lg text-xs bg-white/5 text-white/80 placeholder:text-white/25 outline-none focus:bg-white/10 transition-colors font-mono"
+            placeholder="https://example.com/banner.jpg"
+          />
+        </div>
+
+        <div>
+          <label class="text-[10px] text-white/30 block mb-1">Website</label>
+          <input
+            v-model="profile.website"
+            type="url"
+            class="w-full px-3 py-2 rounded-lg text-xs bg-white/5 text-white/80 placeholder:text-white/25 outline-none focus:bg-white/10 transition-colors font-mono"
+            placeholder="https://example.com"
+          />
+        </div>
+
+        <div>
+          <label class="text-[10px] text-white/30 block mb-1">NIP-05 Address</label>
+          <input
+            v-model="profile.nip05"
+            type="text"
+            class="w-full px-3 py-2 rounded-lg text-xs bg-white/5 text-white/80 placeholder:text-white/25 outline-none focus:bg-white/10 transition-colors font-mono"
+            placeholder="you@example.com"
+          />
+        </div>
+
+        <div>
+          <label class="text-[10px] text-white/30 block mb-1">Lightning Address</label>
+          <input
+            v-model="profile.lud16"
+            type="text"
+            class="w-full px-3 py-2 rounded-lg text-xs bg-white/5 text-white/80 placeholder:text-white/25 outline-none focus:bg-white/10 transition-colors font-mono"
+            placeholder="you@getalby.com"
+          />
+        </div>
+
+        <!-- Publish button -->
+        <button
+          class="w-full py-2.5 rounded-lg text-xs font-medium bg-accent/15 text-accent/80 hover:bg-accent/25 transition-colors disabled:opacity-30"
+          :disabled="isPublishing"
+          @click="publishProfile"
+        >
+          {{ isPublishing ? 'Publishing...' : 'Publish Profile (kind:0)' }}
+        </button>
+
+        <!-- Status -->
+        <div v-if="publishStatus" class="text-[10px] text-center" :class="publishSuccess ? 'text-emerald-400/60' : 'text-red-400/60'">
+          {{ publishStatus }}
+        </div>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { ref, reactive, onMounted } from 'vue'
+import { useNostrIdentity } from '@/composables/useNostrIdentity'
+import { useNostr } from '@/composables/useNostr'
+
+const { isLoggedIn, signEvent, pubkey } = useNostrIdentity()
+const { publishEvent, fetchNote } = useNostr()
+
+interface ProfileData {
+  name: string
+  display_name: string
+  about: string
+  picture: string
+  banner: string
+  website: string
+  nip05: string
+  lud16: string
+}
+
+const profile = reactive<ProfileData>({
+  name: '',
+  display_name: '',
+  about: '',
+  picture: '',
+  banner: '',
+  website: '',
+  nip05: '',
+  lud16: '',
+})
+
+const isPublishing = ref(false)
+const publishStatus = ref('')
+const publishSuccess = ref(false)
+
+async function loadExistingProfile() {
+  if (!pubkey.value) return
+  const note = await fetchNote(pubkey.value, 5000)
+  if (note && note.kind === 0) {
+    try {
+      const data = JSON.parse(note.content) as Partial<ProfileData>
+      Object.assign(profile, data)
+    } catch { /* invalid JSON */ }
+  }
+}
+
+async function publishProfile() {
+  if (!isLoggedIn.value) return
+
+  isPublishing.value = true
+  publishStatus.value = ''
+
+  const content: Record<string, string> = {}
+  for (const [key, val] of Object.entries(profile)) {
+    if (val) content[key] = val
+  }
+
+  const unsigned = {
+    kind: 0,
+    created_at: Math.floor(Date.now() / 1000),
+    tags: [],
+    content: JSON.stringify(content),
+  }
+
+  const signed = await signEvent(unsigned)
+  if (!signed) {
+    isPublishing.value = false
+    publishStatus.value = 'Signing failed'
+    publishSuccess.value = false
+    return
+  }
+
+  const results = await publishEvent(signed)
+  const successes = results.filter(r => r.success).length
+  isPublishing.value = false
+
+  if (successes > 0) {
+    publishStatus.value = `Published to ${successes}/${results.length} relays`
+    publishSuccess.value = true
+  } else {
+    publishStatus.value = 'Failed to publish to any relay'
+    publishSuccess.value = false
+  }
+}
+
+onMounted(() => {
+  loadExistingProfile()
+})
+</script>