easy-utils-ts

A lightweight and easy-to-use TypeScript utility library with common helper functions for string, array, object, date, crypto, OTP, validation, and number operations.

Features

• ✅ String Utilities
• ✅ Array Utilities
• ✅ Object Utilities
• ✅ Multi-Dimensional Object Search
• ✅ Date & Time Utilities
• ✅ OTP Generator
• ✅ MD5 Hash
• ✅ AES Encrypt / Decrypt
• ✅ Number to Words (Indian Format)
• ✅ Currency Formatter
• ✅ Email Validation
• ✅ Mobile Validation
• ✅ PAN Validation
• ✅ Aadhaar Validation
• ✅ GST Validation
• ✅ Random ID Generator
• ✅ UUID Generator
• ✅ Debounce & Throttle
• ✅ TypeScript Support

Installation

npm

npm install easy-utils-ts

Scoped Package

npm install @boopathidev/easy-utils-ts

Import

Individual Functions

import {
    capitalize,
    generateOTP,
    numberToWords
} from "easy-utils-ts";

Utils Object

import { Utils } from "easy-utils-ts";

Utils.capitalize("hello world");

String Utilities

capitalize("hello world");
// Hello world

titleCase("hello world");
// Hello World

upper("hello");
// HELLO

lower("HELLO");
// hello

firstLetter("Boopathi");
// B

initials("Boopathi Thangarasu");
// BT

Array Utilities

arrayEquals([1,2],[1,2]);

deepArrayEquals(
    [{id:1}],
    [{id:1}]
);

unique([1,2,2,3]);
// [1,2,3]

intersection(
    [1,2,3],
    [2,3,4]
);
// [2,3]

Object Utilities

getNestedValue(
    obj,
    "user.profile.name"
);

setNestedValue(
    obj,
    "user.profile.name",
    "Boopathi"
);

deepClone(obj);

Multi-Dimensional Search

findValueByKey(
    data,
    "city"
);

findByKeyValue(
    data,
    "id",
    100
);

removeByKeyValue(
    data,
    "status",
    "Deleted"
);

updateByKeyValue(
    data,
    "id",
    1,
    {
        name: "John"
    }
);

Date Utilities

formatDate(new Date());

formatDateTime(new Date());

formatTime(new Date());

isToday(new Date());

addDays(
    new Date(),
    10
);

subtractDays(
    new Date(),
    5
);

getAge(
    "1998-12-10"
);

Number Utilities

formatCurrency(
    100000
);

// ₹1,00,000.00

formatNumber(
    123456789
);

// 12,34,56,789

Number To Words

numberToWords(
    1250.50
);

// One Thousand Two Hundred Fifty Rupees and Fifty Paise Only

amountToWords(
    100000
);

// One Lakh Rupees Only

OTP Generator

generateOTP();

// 482915

generateOTP(4);

// 7294

generateOTP(
    8,
    "alphanumeric"
);

// A92XK7LQ

Crypto

MD5

md5("Admin@123");

Verify

verifyMD5(
    "Admin@123",
    hash
);

AES Encrypt

encrypt(
    "Hello World",
    "secret"
);

AES Decrypt

decrypt(
    cipher,
    "secret"
);

Validation

isEmail(
    "[email protected]"
);

isMobile(
    "9876543210"
);

isPAN(
    "ABCDE1234F"
);

isAadhaar(
    "123412341234"
);

isGST(
    "22AAAAA0000A1Z5"
);

isURL(
    "https://example.com"
);

isStrongPassword(
    "Admin@123"
);

Misc Utilities

Random ID

randomId();

// ax83md29

UUID

uuid();

Sleep

await sleep(1000);

Debounce

const save = debounce(
    () => {
        console.log("Saved");
    },
    500
);

Throttle

const scroll = throttle(
    () => {
        console.log("Scrolling");
    },
    1000
);

Example

import { Utils } from "easy-utils-ts";

const otp =
    Utils.generateOTP(6);

const hash =
    Utils.md5("Admin@123");

const amount =
    Utils.numberToWords(
        25000.75
    );

console.log(otp);
console.log(hash);
console.log(amount);

Requirements

• Node.js >= 18
• TypeScript >= 5

Author

Boopathi Dev

GitHub: https://github.com/boopathidev

npm: https://www.npmjs.com/~boopathidev

License

MIT License

Copyright (c) 2026 Boopathi Dev

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files, to deal in the Software without restriction.