https://validatejs.org

Validate.js provides a declarative way of validating javascript objects. It is unit tested with 100% code coverage and can be considered fit for production. The project can be found on GitHub where you can also find our issue tracker.

https://parsleyjs.org

Dynamic form validation. Parsley is now smarter, it automatically detects your forms' modifications and adapts its validation accordingly. Simply add, remove or edit fields, Parsley validation will follow! View example ».

https://byby.dev › js-object-validators

Data validation libraries are designed for validating data at runtime, so it throws or returns detailed runtime errors for you or your end users. This is especially useful in situations like accepting arbitrary input in a REST or GraphQL API. It can even be used to validate internal data structures at runtime when needed.

https://zod.dev

Zod is a TypeScript-first schema declaration and validation library. I'm using the term "schema" to broadly refer to any data type, from a simple string to a complex nested object. Zod is designed to be as developer-friendly as possible. The goal is to eliminate duplicative type declarations.

https://www.npmjs.com › package › joi

The most powerful schema description language and data validator for JavaScript.

https://pristine.js.org

The goal of this library is not to provide every possible type of validation and thus becoming a bloat. The goal is to provide most common types of validations and a neat way to add custom validators.

https://github.com › mikeerickson › validatorjs

The validatorjs library makes data validation in JavaScript very easy in both the browser and Node.js. This library was inspired by the Laravel framework's Validator.

https://formvalidation.io › guide

The best validation library for JavaScript. No dependency. Supports popular frameworks including Bootstrap, Zurb Foundation, Pure, Semantic, UIKit, Bulma, spectre, Shoelace.