Fast, lightweight JSON Schema validator for Node.js and browsers — full support for draft-04, draft-06, draft-07, draft-2019-09, and draft-2020-12 (latest)

A JavaScript implementation of a extendable, fully compliant JSON Schema validator.

A library for validating credit card fields

Validates password according to flexible and intuitive specifications

A collection of useful code to complement the official convex package.

CSS validator built on csstree

Validator middleware for the middy framework

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

the complete solution for node.js command-line programs

Validate XML for Syntax and Business rules without C/C++ based libraries

JavaScript port of Apache Commons Validator

Sanity template validator for remote templates

Stylelint plugin to validate CSS syntax

mongoose-unique-validator is a plugin which adds pre-save validation for unique fields within a Mongoose schema.

Fast input validation middleware using OpenAPI 2.0 (formerly Swagger) and 3.0 definitions file and ajv

Runtime type validator for JS Messaging SDKs

A package of Essential JS 2 input components such as Textbox, Color-picker, Masked-textbox, Numeric-textbox, Slider, Upload, and Form-validator that is used to get input from the users.

An RFC 3986/3987 compliant, scheme extendable URI/IRI parsing/validating/resolving library for JavaScript.

A simple wrapper around class-transformer and class-validator which provides nice and programmer-friendly API.

Validates XML name productions — Name, NCName, QName, NMToken, NMTokens — for XML 1.0 and 1.1