diff --git a/api/model/db.ts b/api/model/db.ts
index e80760c..b8ef507 100644
--- a/api/model/db.ts
+++ b/api/model/db.ts
@@ -49,6 +49,7 @@ export interface UserRow {
   created_at: string;
   updated_at: string | null;
   avatar_mime: string | null;
+  description: string | null;
   invited_by: string | null;
   // Present only when joined: LEFT JOIN users i ON i.id = u.invited_by
   invited_by_username: string | null;
@@ -79,6 +80,7 @@ export function isDumpRow(obj: Record<string, SQLOutputValue>): obj is DumpRow {
     "file_size" in obj &&
     (typeof obj.file_size === "number" || obj.file_size === null) &&
     "vote_count" in obj && typeof obj.vote_count === "number" &&
+    "comment_count" in obj && typeof obj.comment_count === "number" &&
     "is_private" in obj && typeof obj.is_private === "number";
 }
 
@@ -91,7 +93,9 @@ export function isUserRow(obj: Record<string, SQLOutputValue>): obj is UserRow {
     "is_admin" in obj && typeof obj.is_admin === "number" &&
     "created_at" in obj && typeof obj.created_at === "string" &&
     "avatar_mime" in obj &&
-    (typeof obj.avatar_mime === "string" || obj.avatar_mime === null);
+    (typeof obj.avatar_mime === "string" || obj.avatar_mime === null) &&
+    "description" in obj &&
+    (typeof obj.description === "string" || obj.description === null);
 }
 
 /**
@@ -151,6 +155,7 @@ export function userRowToApi(row: UserRow): User {
     createdAt: new Date(row.created_at),
     updatedAt: row.updated_at ? new Date(row.updated_at) : undefined,
     avatarMime: row.avatar_mime ?? undefined,
+    description: row.description ?? undefined,
     invitedByUsername: typeof row.invited_by_username === "string"
       ? row.invited_by_username
       : undefined,
@@ -166,6 +171,7 @@ export function userApiToRow(user: User): UserRow {
     created_at: user.createdAt.toISOString(),
     updated_at: user.updatedAt?.toISOString() ?? null,
     avatar_mime: user.avatarMime ?? null,
+    description: user.description ?? null,
     invited_by: null,
     invited_by_username: null,
   };
diff --git a/api/model/interfaces.ts b/api/model/interfaces.ts
index be23686..97b3432 100644
--- a/api/model/interfaces.ts
+++ b/api/model/interfaces.ts
@@ -44,6 +44,7 @@ export interface User {
   createdAt: Date;
   updatedAt?: Date;
   avatarMime?: string;
+  description?: string;
   invitedByUsername?: string;
 }
 
@@ -62,6 +63,7 @@ export interface UpdateUserRequest {
   username?: string;
   password?: string;
   isAdmin?: boolean;
+  description?: string | null;
 }
 
 export function isLoginUserRequest(obj: unknown): obj is LoginUserRequest {
@@ -83,7 +85,9 @@ export function isUpdateUserRequest(obj: unknown): obj is UpdateUserRequest {
   return !!obj && typeof obj === "object" &&
     (!("username" in obj) || typeof obj.username === "string") &&
     (!("password" in obj) || typeof obj.password === "string") &&
-    (!("isAdmin" in obj) || typeof obj.isAdmin === "boolean");
+    (!("isAdmin" in obj) || typeof obj.isAdmin === "boolean") &&
+    (!("description" in obj) || typeof obj.description === "string" ||
+      obj.description === null);
 }
 
 export interface AuthResponse {
diff --git a/api/routes/users.ts b/api/routes/users.ts
index a46dc9a..b74b0c6 100644
--- a/api/routes/users.ts
+++ b/api/routes/users.ts
@@ -5,6 +5,7 @@ import {
   APIException,
   isLoginUserRequest,
   isRegisterUserRequest,
+  isUpdateUserRequest,
   type PaginatedData,
 } from "../model/interfaces.ts";
 
@@ -15,6 +16,7 @@ import {
   getUserById,
   getUserByUsername,
   searchUsers,
+  updateUser,
 } from "../services/user-service.ts";
 import { redeemInvite, validateInvite } from "../services/invite-service.ts";
 import {
@@ -132,6 +134,21 @@ router.get("/me", authMiddleware, (ctx: AuthContext) => {
   }
 });
 
+// Update current user profile (description, etc.)
+router.patch("/me", authMiddleware, async (ctx: AuthContext) => {
+  const body = await ctx.request.body.json();
+  if (!isUpdateUserRequest(body)) {
+    throw new APIException(
+      APIErrorCode.VALIDATION_ERROR,
+      400,
+      "Invalid request",
+    );
+  }
+  const updated = await updateUser(ctx.state.user.userId, body);
+  const { passwordHash: _, ...publicUser } = updated;
+  ctx.response.body = { success: true, data: publicUser };
+});
+
 // User search for @mention autocomplete
 router.get("/search", (ctx) => {
   const q = (ctx.request.url.searchParams.get("q") ?? "").trim();
diff --git a/api/services/user-service.ts b/api/services/user-service.ts
index c47c1db..4140a1b 100644
--- a/api/services/user-service.ts
+++ b/api/services/user-service.ts
@@ -10,7 +10,7 @@ import { db, isUserRow, userApiToRow, userRowToApi } from "../model/db.ts";
 import { hashPassword } from "../lib/jwt.ts";
 
 const USER_SELECT =
-  `SELECT u.id, u.username, u.password_hash, u.is_admin, u.created_at, u.updated_at, u.avatar_mime, u.invited_by,
+  `SELECT u.id, u.username, u.password_hash, u.is_admin, u.created_at, u.updated_at, u.avatar_mime, u.description, u.invited_by,
           i.username as invited_by_username
    FROM users u
    LEFT JOIN users i ON i.id = u.invited_by`;
@@ -118,24 +118,26 @@ export async function updateUser(
 ): Promise<User> {
   const user = getUserById(userId);
 
-  const { password, ...requestFields } = request;
+  const { password, description, ...requestFields } = request;
 
   const now = new Date();
   const updatedUser: User = {
     ...user,
     passwordHash: password ? await hashPassword(password) : user.passwordHash,
     ...requestFields,
+    description: description ?? user.description,
     updatedAt: now,
   };
 
   const updatedUserRow = userApiToRow(updatedUser);
 
   const userResult = db.prepare(
-    `UPDATE users SET username = ?, password_hash = ?, is_admin = ?, updated_at = ? WHERE id = ?`,
+    `UPDATE users SET username = ?, password_hash = ?, is_admin = ?, description = ?, updated_at = ? WHERE id = ?`,
   ).run(
     updatedUserRow.username,
     updatedUserRow.password_hash,
     updatedUserRow.is_admin,
+    updatedUserRow.description,
     now.toISOString(),
     updatedUserRow.id,
   );
diff --git a/api/sql/schema.sql b/api/sql/schema.sql
index cfead5e..f498094 100644
--- a/api/sql/schema.sql
+++ b/api/sql/schema.sql
@@ -24,6 +24,7 @@ CREATE TABLE users (
   created_at    TEXT NOT NULL,
   updated_at    TEXT,
   avatar_mime   TEXT,
+  description   TEXT,
   invited_by    TEXT REFERENCES users(id)
 );
 
diff --git a/src/App.css b/src/App.css
index ca7eba2..dfe11ce 100644
--- a/src/App.css
+++ b/src/App.css
@@ -917,6 +917,8 @@ body.has-player .fab-new {
   font-weight: 600;
   font-size: 1rem;
   line-height: 1.35;
+  overflow-wrap: break-word;
+  word-break: break-word;
 }
 
 .rich-content-description {
@@ -1200,6 +1202,66 @@ body.has-player .fab-new {
   margin-top: 0.5rem;
 }
 
+/* ── Profile description ── */
+.profile-description {
+  width: 100%;
+  margin-bottom: 1.5rem;
+}
+
+.profile-description-view {
+  position: relative;
+  padding: 0.5rem 0.6rem;
+  border-radius: 6px;
+  font-size: 0.95rem;
+}
+
+.profile-description-view--editable {
+  cursor: pointer;
+}
+
+.profile-description-view--editable:hover {
+  background: var(--color-surface);
+}
+
+.profile-description-text {
+  white-space: pre-wrap;
+  overflow-wrap: break-word;
+  word-break: break-word;
+  line-height: 1.6;
+}
+
+.profile-description-empty {
+  color: var(--color-muted);
+  font-style: italic;
+}
+
+.profile-description-edit-btn {
+  position: absolute;
+  top: 0.55rem;
+  right: 0.5rem;
+  font-size: 0.85rem;
+  color: var(--color-muted);
+  opacity: 0;
+  transition: opacity 0.1s;
+  pointer-events: none;
+}
+
+.profile-description-view--editable:hover .profile-description-edit-btn {
+  opacity: 1;
+}
+
+.profile-description-editor {
+  display: flex;
+  flex-direction: column;
+  gap: 0.5rem;
+}
+
+.profile-description-actions {
+  display: flex;
+  align-items: center;
+  gap: 0.5rem;
+}
+
 .profile-invited-by {
   font-size: 0.78rem;
   color: var(--color-text-muted);
@@ -2356,6 +2418,8 @@ body.has-player .fab-new {
   margin: 0 0 0.5rem;
   opacity: 0.75;
   line-height: 1.75;
+  overflow-wrap: break-word;
+  word-break: break-word;
 }
 
 .playlist-detail-meta {
@@ -2689,6 +2753,8 @@ body.has-player .fab-new {
   font-size: 0.9rem;
   line-height: 1.65;
   color: var(--color-text);
+  overflow-wrap: break-word;
+  word-break: break-word;
 }
 
 .comment-actions {
diff --git a/src/components/CommentThread.tsx b/src/components/CommentThread.tsx
index f6e4b1f..4f6c7d4 100644
--- a/src/components/CommentThread.tsx
+++ b/src/components/CommentThread.tsx
@@ -69,8 +69,8 @@ function CommentNode({
 
   const children = tree.get(comment.id) ?? [];
 
-  async function handleReply(e: React.FormEvent) {
-    e.preventDefault();
+  async function handleReply(e?: React.FormEvent) {
+    e?.preventDefault();
     if (!replyBody.trim() || !token) return;
     setSubmitting(true);
     setReplyError(null);
@@ -109,8 +109,8 @@ function CommentNode({
     }
   }
 
-  async function handleEditSave(e: React.FormEvent) {
-    e.preventDefault();
+  async function handleEditSave(e?: React.FormEvent) {
+    e?.preventDefault();
     if (!editBody.trim() || !token) return;
     setEditSubmitting(true);
     setEditError(null);
@@ -226,11 +226,7 @@ function CommentNode({
                   className="comment-reply-textarea"
                   value={editBody}
                   onChange={setEditBody}
-                  onKeyDown={(e) => {
-                    if (
-                      e.key === "Enter" && (e.ctrlKey || e.metaKey)
-                    ) handleEditSave(e);
-                  }}
+                  onSubmit={handleEditSave}
                   autoResize
                   rows={1}
                 />
@@ -314,11 +310,7 @@ function CommentNode({
                 className="comment-reply-textarea"
                 value={replyBody}
                 onChange={setReplyBody}
-                onKeyDown={(e) => {
-                  if (
-                    e.key === "Enter" && (e.ctrlKey || e.metaKey)
-                  ) handleReply(e);
-                }}
+                onSubmit={handleReply}
                 placeholder="Write a reply…"
                 autoResize
                 rows={1}
@@ -391,8 +383,8 @@ export function CommentThread({
   const tree = buildTree(comments);
   const roots = tree.get("root") ?? [];
 
-  async function handleTopLevelSubmit(e: React.FormEvent) {
-    e.preventDefault();
+  async function handleTopLevelSubmit(e?: React.FormEvent) {
+    e?.preventDefault();
     if (!topLevelBody.trim() || !token) return;
     setSubmitting(true);
     setTopLevelError(null);
@@ -444,11 +436,7 @@ export function CommentThread({
                 className="comment-reply-textarea"
                 value={topLevelBody}
                 onChange={setTopLevelBody}
-                onKeyDown={(e) => {
-                  if (e.key === "Enter" && (e.ctrlKey || e.metaKey)) {
-                    handleTopLevelSubmit(e);
-                  }
-                }}
+                onSubmit={handleTopLevelSubmit}
                 placeholder="Add a comment…"
                 autoResize
                 rows={1}
diff --git a/src/components/TextEditor.tsx b/src/components/TextEditor.tsx
index 3e7b154..153ee6e 100644
--- a/src/components/TextEditor.tsx
+++ b/src/components/TextEditor.tsx
@@ -17,6 +17,7 @@ interface TextEditorProps {
   id?: string;
   className?: string;
   autoResize?: boolean;
+  onSubmit?: () => void;
   onKeyDown?: (e: React.KeyboardEvent<HTMLTextAreaElement>) => void;
 }
 
@@ -31,6 +32,7 @@ export const TextEditor = forwardRef<TextEditorHandle, TextEditorProps>(
       id,
       className,
       autoResize = false,
+      onSubmit,
       onKeyDown,
     },
     ref,
@@ -84,6 +86,11 @@ export const TextEditor = forwardRef<TextEditorHandle, TextEditorProps>(
             detectEmojiTrigger(e.target.value, e.target.selectionStart ?? 0);
           }}
           onKeyDown={(e) => {
+            if (e.key === "Enter" && (e.ctrlKey || e.metaKey)) {
+              e.preventDefault();
+              onSubmit?.();
+              return;
+            }
             handleMentionKeyDown(e);
             if (!e.defaultPrevented) onKeyDown?.(e);
           }}
diff --git a/src/model.ts b/src/model.ts
index 3ca755e..9d0ef7b 100644
--- a/src/model.ts
+++ b/src/model.ts
@@ -49,6 +49,7 @@ export interface User {
   createdAt: Date;
   updatedAt?: Date;
   avatarMime?: string;
+  description?: string;
   invitedByUsername?: string;
 }
 
@@ -60,6 +61,7 @@ export interface PublicUser {
   createdAt: Date;
   updatedAt?: Date;
   avatarMime?: string;
+  description?: string;
   invitedByUsername?: string;
 }
 
@@ -115,6 +117,7 @@ export interface UpdateUserRequest {
   username?: string;
   password?: string;
   isAdmin?: boolean;
+  description?: string | null;
 }
 
 export interface AuthResponse {
diff --git a/src/pages/UserPublicProfile.tsx b/src/pages/UserPublicProfile.tsx
index f2042d8..284d4a7 100644
--- a/src/pages/UserPublicProfile.tsx
+++ b/src/pages/UserPublicProfile.tsx
@@ -34,6 +34,8 @@ import { DumpCreateModal } from "../components/DumpCreateModal.tsx";
 import { FollowUserButton } from "../components/FollowButton.tsx";
 import { ErrorCard } from "../components/ErrorCard.tsx";
 import { friendlyFetchError } from "../utils/apiError.ts";
+import { TextEditor } from "../components/TextEditor.tsx";
+import { Markdown } from "../components/Markdown.tsx";
 
 const PAGE_SIZE = 20;
 
@@ -246,6 +248,11 @@ export function UserPublicProfile() {
   const [uploading, setUploading] = useState(false);
   const [avatarError, setAvatarError] = useState<string | null>(null);
   const fileInputRef = useRef<HTMLInputElement>(null);
+
+  const [descEditing, setDescEditing] = useState(false);
+  const [descDraft, setDescDraft] = useState("");
+  const [descSaving, setDescSaving] = useState(false);
+  const [descError, setDescError] = useState<string | null>(null);
   const prevMyVotesRef = useRef<Set<string> | null>(null);
 
   useEffect(() => {
@@ -515,6 +522,36 @@ export function UserPublicProfile() {
     }
   };
 
+  const handleDescSave = async () => {
+    if (state.status !== "loaded") return;
+    setDescSaving(true);
+    setDescError(null);
+    try {
+      const res = await authFetch(`${API_URL}/api/users/me`, {
+        method: "PATCH",
+        body: JSON.stringify({ description: descDraft.trim() }),
+      });
+      const body = await res.json();
+      if (!res.ok || !body.success) {
+        setDescError(body.error?.message ?? "Failed to save");
+        return;
+      }
+      setState((s) =>
+        s.status === "loaded"
+          ? {
+            ...s,
+            user: { ...s.user, description: descDraft.trim() || undefined },
+          }
+          : s
+      );
+      setDescEditing(false);
+    } catch {
+      setDescError("Failed to save");
+    } finally {
+      setDescSaving(false);
+    }
+  };
+
   if (state.status === "loading") {
     return (
       <PageShell>
@@ -613,6 +650,76 @@ export function UserPublicProfile() {
         </div>
       </div>
 
+      {(profileUser.description || isOwnProfile) && (
+        <div className="profile-description">
+          {descEditing
+            ? (
+              <div className="profile-description-editor">
+                <TextEditor
+                  className="comment-reply-textarea"
+                  value={descDraft}
+                  onChange={setDescDraft}
+                  onSubmit={handleDescSave}
+                  placeholder="Tell people about yourself…"
+                  autoResize
+                />
+                <div className="profile-description-actions">
+                  <button
+                    type="button"
+                    className="btn-primary"
+                    onClick={handleDescSave}
+                    disabled={descSaving}
+                  >
+                    {descSaving ? "Saving…" : "Save"}
+                  </button>
+                  <button
+                    type="button"
+                    className="btn-border"
+                    onClick={() => setDescEditing(false)}
+                    disabled={descSaving}
+                  >
+                    Cancel
+                  </button>
+                  {descError && (
+                    <ErrorCard title="Failed to save" message={descError} />
+                  )}
+                </div>
+              </div>
+            )
+            : (
+              <div
+                className={`profile-description-view${
+                  isOwnProfile ? " profile-description-view--editable" : ""
+                }`}
+                onClick={isOwnProfile
+                  ? () => {
+                    setDescDraft(profileUser.description ?? "");
+                    setDescError(null);
+                    setDescEditing(true);
+                  }
+                  : undefined}
+              >
+                {profileUser.description
+                  ? (
+                    <Markdown className="profile-description-text">
+                      {profileUser.description}
+                    </Markdown>
+                  )
+                  : (
+                    <div className="profile-description-empty">
+                      Add a bio…
+                    </div>
+                  )}
+                {isOwnProfile && (
+                  <span className="profile-description-edit-btn" aria-hidden>
+                    ✎
+                  </span>
+                )}
+              </div>
+            )}
+        </div>
+      )}
+
       <div className="profile-columns">
         <DumpList
           title={`Dumps (${dumps.items.length}${dumps.hasMore ? "+" : ""})`}