diff --git a/packages/server/prisma/dbml/schema.dbml b/packages/server/prisma/dbml/schema.dbml
index f080050..aa417a3 100644
--- a/packages/server/prisma/dbml/schema.dbml
+++ b/packages/server/prisma/dbml/schema.dbml
@@ -139,6 +139,10 @@ Enum AuditLogAction {
   CANVAS_FREEZE
   CANVAS_UNFREEZE
   CANVAS_AREA_UNDO
+  USER_MOD
+  USER_UNMOD
+  USER_ADMIN
+  USER_UNADMIN
 }
 
 Ref: Pixel.userId > User.sub
diff --git a/packages/server/prisma/migrations/20240713155333_add_mod_and_admin_audit_log_actions/migration.sql b/packages/server/prisma/migrations/20240713155333_add_mod_and_admin_audit_log_actions/migration.sql
new file mode 100644
index 0000000..8bfd047
--- /dev/null
+++ b/packages/server/prisma/migrations/20240713155333_add_mod_and_admin_audit_log_actions/migration.sql
@@ -0,0 +1,12 @@
+-- AlterEnum
+-- This migration adds more than one value to an enum.
+-- With PostgreSQL versions 11 and earlier, this is not possible
+-- in a single migration. This can be worked around by creating
+-- multiple migrations, each migration adding only one value to
+-- the enum.
+
+
+ALTER TYPE "AuditLogAction" ADD VALUE 'USER_MOD';
+ALTER TYPE "AuditLogAction" ADD VALUE 'USER_UNMOD';
+ALTER TYPE "AuditLogAction" ADD VALUE 'USER_ADMIN';
+ALTER TYPE "AuditLogAction" ADD VALUE 'USER_UNADMIN';
diff --git a/packages/server/prisma/schema.prisma b/packages/server/prisma/schema.prisma
index 75a99e8..9df5391 100644
--- a/packages/server/prisma/schema.prisma
+++ b/packages/server/prisma/schema.prisma
@@ -26,8 +26,8 @@ model User {
   profile_url  String?
 
   lastTimeGainStarted DateTime  @default(now()) // the time base used to determine the amount of stack the user should gain
-  pixelStack    Int       @default(0) // amount of pixels stacked for this user
-  undoExpires   DateTime? // when the undo for the most recent pixel expires at
+  pixelStack          Int       @default(0) // amount of pixels stacked for this user
+  undoExpires         DateTime? // when the undo for the most recent pixel expires at
 
   isAdmin     Boolean @default(false)
   isModerator Boolean @default(false)
@@ -157,6 +157,10 @@ enum AuditLogAction {
   CANVAS_FREEZE
   CANVAS_UNFREEZE
   CANVAS_AREA_UNDO
+  USER_MOD
+  USER_UNMOD
+  USER_ADMIN
+  USER_UNADMIN
 }
 
 model AuditLog {
diff --git a/packages/server/src/api/admin.ts b/packages/server/src/api/admin.ts
index f3a2661..26f4af5 100644
--- a/packages/server/src/api/admin.ts
+++ b/packages/server/src/api/admin.ts
@@ -679,6 +679,158 @@ app.post("/user/:sub/notice", async (req, res) => {
   res.json({ success: true });
 });
 
+/**
+ * Mark a user as a moderator
+ *
+ * @param :sub User ID
+ */
+app.put("/user/:sub/moderator", async (req, res) => {
+  let user: User;
+
+  try {
+    user = await User.fromSub(req.params.sub);
+  } catch (e) {
+    if (e instanceof UserNotFound) {
+      res.status(404).json({ success: false, error: "User not found" });
+    } else {
+      res.status(500).json({ success: false, error: "Internal error" });
+    }
+    return;
+  }
+
+  await prisma.user.update({
+    where: { sub: user.sub },
+    data: {
+      isModerator: true,
+    },
+  });
+
+  await user.update(true);
+
+  const adminUser = (await User.fromAuthSession(req.session.user!))!;
+  const auditLog = await AuditLog.Factory(adminUser.sub)
+    .doing("USER_MOD")
+    .reason(req.header("X-Audit") || null)
+    .withComment(`Made ${user.sub} a moderator`)
+    .create();
+
+  res.json({ success: true, auditLog });
+});
+
+/**
+ * Unmark a user as a moderator
+ *
+ * @param :sub User ID
+ */
+app.delete("/user/:sub/moderator", async (req, res) => {
+  let user: User;
+
+  try {
+    user = await User.fromSub(req.params.sub);
+  } catch (e) {
+    if (e instanceof UserNotFound) {
+      res.status(404).json({ success: false, error: "User not found" });
+    } else {
+      res.status(500).json({ success: false, error: "Internal error" });
+    }
+    return;
+  }
+
+  await prisma.user.update({
+    where: { sub: user.sub },
+    data: {
+      isModerator: false,
+    },
+  });
+
+  await user.update(true);
+
+  const adminUser = (await User.fromAuthSession(req.session.user!))!;
+  const auditLog = await AuditLog.Factory(adminUser.sub)
+    .doing("USER_UNMOD")
+    .reason(req.header("X-Audit") || null)
+    .withComment(`Removed ${user.sub} as moderator`)
+    .create();
+
+  res.json({ success: true, auditLog });
+});
+
+/**
+ * Mark a user as an admin
+ *
+ * @param :sub User ID
+ */
+app.put("/user/:sub/admin", async (req, res) => {
+  let user: User;
+
+  try {
+    user = await User.fromSub(req.params.sub);
+  } catch (e) {
+    if (e instanceof UserNotFound) {
+      res.status(404).json({ success: false, error: "User not found" });
+    } else {
+      res.status(500).json({ success: false, error: "Internal error" });
+    }
+    return;
+  }
+
+  await prisma.user.update({
+    where: { sub: user.sub },
+    data: {
+      isAdmin: true,
+    },
+  });
+
+  await user.update(true);
+
+  const adminUser = (await User.fromAuthSession(req.session.user!))!;
+  const auditLog = await AuditLog.Factory(adminUser.sub)
+    .doing("USER_ADMIN")
+    .reason(req.header("X-Audit") || null)
+    .withComment(`Added ${user.sub} as admin`)
+    .create();
+
+  res.json({ success: true, auditLog });
+});
+
+/**
+ * Unmark a user as an admin
+ *
+ * @param :sub User ID
+ */
+app.delete("/user/:sub/admin", async (req, res) => {
+  let user: User;
+
+  try {
+    user = await User.fromSub(req.params.sub);
+  } catch (e) {
+    if (e instanceof UserNotFound) {
+      res.status(404).json({ success: false, error: "User not found" });
+    } else {
+      res.status(500).json({ success: false, error: "Internal error" });
+    }
+    return;
+  }
+
+  await prisma.user.update({
+    where: { sub: user.sub },
+    data: {
+      isAdmin: false,
+    },
+  });
+
+  await user.update(true);
+
+  const adminUser = (await User.fromAuthSession(req.session.user!))!;
+  const auditLog = await AuditLog.Factory(adminUser.sub)
+    .doing("USER_UNADMIN")
+    .reason(req.header("X-Audit") || null)
+    .withComment(`Removed ${user.sub} as admin`)
+    .create();
+
+  res.json({ success: true, auditLog });
+});
+
 app.get("/instance/:domain/ban", async (req, res) => {
   // get ban information