diff --git a/metrics.js b/metrics.js
new file mode 100644
index 0000000..6398e9b
--- /dev/null
+++ b/metrics.js
@@ -0,0 +1,37 @@
+const fs = require('fs-extra');
+const path = require('path');
+const { formatBytes } = require('./utils');
+
+module.exports = () => {
+	let data = fs.readJsonSync(path.join(__dirname, 'data.json'));
+	let { users } = fs.readJsonSync(path.join(__dirname, 'auth.json'));
+
+	let totalSize = 0;
+	let oldSize = 0;
+	Object.values(data).forEach(({ token, size }) => {
+		try {
+			totalSize += size;
+			if (token == null) oldSize += size;
+			else {
+				if (!users[token].size) users[token].size = 0;
+				users[token].size += size;
+			}
+		} catch (ex) {
+			// Silently handle missing tokens from dev environment -tycrek
+		}
+	});
+
+	console.log('---- Usage metrics ----\n');
+	console.log(`Users: ${Object.keys(users).length}`);
+	console.log(`Files: ${Object.keys(data).length}`);
+	console.log('');
+	console.log(`Total size: ${formatBytes(totalSize)}`);
+	console.log(`Untracked size: ${formatBytes(oldSize)}`);
+	console.log('');
+
+	Object.values(users).forEach(({ username, count, size }) => {
+		console.log(`- ${username}: ${formatBytes(size)} (${count} files)`);
+	});
+}
+
+if (require.main === module) module.exports();
diff --git a/package.json b/package.json
index 7051386..567a77f 100755
--- a/package.json
+++ b/package.json
@@ -6,6 +6,7 @@
   "scripts": {
     "start": "node ass.js",
     "setup": "node setup.js",
+    "metrics": "node metrics.js",
     "new-token": "node generators/token.js",
     "test": "echo \"Error: no test specified\" && exit 1"
   },
@@ -35,4 +36,4 @@
     "prompt": "^1.1.0",
     "uuid": "^8.3.2"
   }
-}
+}
\ No newline at end of file