diff --git a/app/generators/uuid/page.tsx b/app/generators/uuid/page.tsx
index ccdfd99..0a05719 100644
--- a/app/generators/uuid/page.tsx
+++ b/app/generators/uuid/page.tsx
@@ -1,7 +1,6 @@
 "use client";
 
 import { useCallback, useState } from "react";
-import { range } from "fp-ts/NonEmptyArray";
 
 import { toolGroups } from "@/config/tools";
 import { uuid } from "@/lib/uuid";
@@ -58,7 +57,7 @@ export default function Page() {
   }, []);
 
   const onGenerateClick = () => {
-    const newUuids = range(1, generates).map(_ => uuid(uuidVersion, hyphens, uppercase));
+    const newUuids = Array.from({ length: generates }, () => uuid(uuidVersion, hyphens, uppercase));
     setUuids([...uuids, ...newUuids]);
   };
 
diff --git a/lib/base.ts b/lib/base.ts
index 2e13d55..d9a3c7b 100644
--- a/lib/base.ts
+++ b/lib/base.ts
@@ -1,5 +1,3 @@
-import { chunksOf, intersperse } from "fp-ts/Array";
-
 const match = (regex: RegExp) => (x: string) => regex.test(x);
 
 export const isDecimal = match(/^[0-9]*$/);
@@ -8,10 +6,16 @@ export const isOctal = match(/^[0-7]*$/);
 export const isBinary = match(/^[0-1]*$/);
 
 const formatNumber = (digits: number, sep: string) => (s: string) => {
-  const a = [...s].reverse();
-  const b = chunksOf(digits)(a);
-  const c = intersperse([sep])(b);
-  return c.flat().reverse().join("");
+  const head = ((s.length - 1) % digits) + 1;
+  const buf = [];
+
+  buf.push(s.substring(0, head));
+
+  for (let i = head; i < s.length; i += digits) {
+    buf.push(sep, s.substring(i, i + digits));
+  }
+
+  return buf.join("");
 };
 
 export const formatDecimal = formatNumber(3, ",");
diff --git a/package.json b/package.json
index 125d760..9cfeabf 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,6 @@
     "clsx": "^1.2.1",
     "cmdk": "^0.2.0",
     "create-hash": "^1.2.0",
-    "fp-ts": "^2.16.0",
     "fuse.js": "^6.6.2",
     "html-escaper": "^3.0.3",
     "js-yaml": "^4.1.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 5050abc..796c13c 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -34,9 +34,6 @@ dependencies:
   create-hash:
     specifier: ^1.2.0
     version: 1.2.0
-  fp-ts:
-    specifier: ^2.16.0
-    version: 2.16.0
   fuse.js:
     specifier: ^6.6.2
     version: 6.6.2
@@ -3083,10 +3080,6 @@ packages:
       is-callable: 1.2.7
     dev: true
 
-  /fp-ts@2.16.0:
-    resolution: {integrity: sha512-bLq+KgbiXdTEoT1zcARrWEpa5z6A/8b7PcDW7Gef3NSisQ+VS7ll2Xbf1E+xsgik0rWub/8u0qP/iTTjj+PhxQ==}
-    dev: false
-
   /fraction.js@4.2.0:
     resolution: {integrity: sha512-MhLuK+2gUcnZe8ZHlaaINnQLl0xRIGRfcGk2yl8xoQAfHrSsL3rYu6FCmBdkdbhc9EPlwyGHewaRsvwRMJtAlA==}
     dev: true