Blazing fast input validation and transformation ⚡

A lightweight TypeScript-ready collection of Persian React hooks for dates, numbers, validation, and UI utilities.

Wrap zod validation errors in user-friendly readable messages

Additional JSON-Schema keywords for Ajv JSON validator

Internationalized number formatting and parsing utilities

Takes a string, such as "1,2,3-10,5-8" and turns it into an array of numbers

Standard Number Validation

React Hook Form validation resolvers: Yup, Joi, Superstruct, Zod, Vest, Class Validator, io-ts, Nope, computed-types, TypeBox, arktype, Typanion, Effect-TS and VineJS

A simpler (and smaller) rewrite of Google Android's libphonenumber library in javascript

Generates a random phone number following the E.164 international standard

A JavaScript library for entering, formatting, and validating international telephone numbers

Fill in a range of numbers or letters, optionally passing an increment or `step` to use, or create a regex-compatible range with `options.toRegex`

Detect and validate file types by their signatures (✨magic numbers✨)

Adds a phone number validation check to yup validator using google-libphonenumber.

Performant, flexible and extensible forms library for React Hooks

A library for determining credit card type

Codecs for numbers of different sizes and endianness

Decorator-based property validation for classes.

BigNumber library used in ethers.js.

A module to create a set of unique numbers as fast as possible.