diff --git a/script-meta-v2.json b/script-meta-v2.json
index a9b9110..ef766ef 100644
--- a/script-meta-v2.json
+++ b/script-meta-v2.json
@@ -169,6 +169,15 @@
     "publish_time": 1737272626141,
     "update_time": 1750472965160
   },
+  "lower.ts": {
+    "script_name": "lower.ts",
+    "script_length": 390,
+    "script_sha256": "17ccc0300d23c16369b090697353a8db0d01c06e15792ec29d71935bbb8b1200",
+    "script_full_url": "https://git.hatter.ink/hatter/ts-scripts/raw/branch/main/single-scripts/lower.ts",
+    "single_script_file": true,
+    "publish_time": 1775409332534,
+    "update_time": 1775409332534
+  },
   "message.ts": {
     "script_name": "message.ts",
     "script_length": 1795,
@@ -311,6 +320,15 @@
     "publish_time": 1775409068941,
     "update_time": 1775409068941
   },
+  "upper.ts": {
+    "script_name": "upper.ts",
+    "script_length": 390,
+    "script_sha256": "177be6355cf4fdae3e2d7285090c639fad15f9d2afef0f1ef4e48f580618f7cb",
+    "script_full_url": "https://git.hatter.ink/hatter/ts-scripts/raw/branch/main/single-scripts/upper.ts",
+    "single_script_file": true,
+    "publish_time": 1775409332538,
+    "update_time": 1775409332538
+  },
   "wget.ts": {
     "script_name": "wget.ts",
     "script_length": 4076,
diff --git a/single-scripts/lower.ts b/single-scripts/lower.ts
new file mode 100755
index 0000000..b74e66e
--- /dev/null
+++ b/single-scripts/lower.ts
@@ -0,0 +1,10 @@
+#!/usr/bin/env runts -- --allow-all
+
+import { stdinToArrayBuffer } from "https://script.hatter.ink/@61/deno-commons-mod.ts";
+
+const input = new TextDecoder().decode(await stdinToArrayBuffer());
+
+console.log(input.toLowerCase());
+
+// @SCRIPT-SIGNATURE-V1: yk-r1.ES256.20260406T011524+08:00.MEQCIAN40qs+EY/2NQG8d00O
+// xK2q9+O7mH4+ermrZYE7NNh4AiAILAc0MJ6s2Nb9xbK/BPbk9Pmf9IWehHrijJIblRNjPA==
diff --git a/single-scripts/upper.ts b/single-scripts/upper.ts
new file mode 100755
index 0000000..d9416e0
--- /dev/null
+++ b/single-scripts/upper.ts
@@ -0,0 +1,10 @@
+#!/usr/bin/env runts -- --allow-all
+
+import { stdinToArrayBuffer } from "https://script.hatter.ink/@61/deno-commons-mod.ts";
+
+const input = new TextDecoder().decode(await stdinToArrayBuffer());
+
+console.log(input.toUpperCase());
+
+// @SCRIPT-SIGNATURE-V1: yk-r1.ES256.20260406T011512+08:00.MEQCIFAuPtcUxKnSwZn7kbgV
+// 4SV2q7Od5RCGydoj+4jZ9mI4AiAmJC76E/jd3nvN+1rzC+QOX0T1oxwqstpTSy124Dghvg==