Offline HTML5 validator and linter

Validates an IRI according to RFC 3987

Generic configuration validation tool that helps you with warnings, errors and deprecation messages as well as showing users examples of correct configuration.

ReactCardFlip

The Material Components for the web card component

Validates if a value is an array.

A simple and composable way to validate data in JavaScript (and TypeScript).

Object schema validation

Validates if a value is a function.

Validates if a value is an integer.

vaadin-card

Validates if a value is a number.

Read and modify Office Add-in manifest files.

Email address and domain validation

Validates if a value is an integer array.

validate form asynchronous

Check if a string is SVG

Javascript type validate

Form Validation for Vue.js

React components library with 6 styles, 108 icons, TypeScript support, and a variety of types and formats for easy integration into React applications.