Validations

A tiny library for validating and documenting high-level options

A JSON Schema validator with full support for the draft 4 specification and zero dependencies.

Runtime Type checking

A schema based `opt` validator

An extensible data validation library for Elixir

A schema validator inspired by JSON Schema.

Utilities to return Ecto validation error messages in an absinthe graphql response.

Norm is a system for specifying the structure of data. It can be used for validation and for generation of data. Norm does not provide any set of predicates and instead allows you to re-use any of your existing validations.

A Plug'n Play schema validator library, focused on raw data structures

Simple data validation for Elixir

Phoenix request params validation library

Parameter structure validation and casting with Ecto.Schema.

Coleção de funções para validacão e formatação de CPF e CNPJ. Validation and format for brazilian id documents (CPF/CNPJ).

Luhn algorithm in Elixir

Bankster is an IBAN and BIC validation tool for Elixir.

A library to validate values of nested structs with their type spec `t()` and associated precondition functions.

A library for performing and validating complex filters from a client (e.g. smart filters)

A parameter validation library based on Ecto

Zoi is a schema validation library for Elixir, designed to provide a simple and flexible way to define and validate data.

Simple validation for keyword lists.

Detect disposable (burner) or personal email addresses.

Elixir burner email (temporary address) detector

A JSON Schema Validator with complete support for the latest specifications.

EctoSanitizer is a libary for sanitizing inputs to Ecto Changesets.

SQL-LIKE sanitization for strings.

Plugin for typed struct to integrate with changeset

Data validation and transformation

An Elixir client for the Nu HTML Checker (validator.w3.org/nu). Offers validating HTML, CSS, and SVG documents.

Validate JSON and store to a specified data structure

Elixir Global Trade Item Number (GTIN) Validation Library for GS1, UPC-12, and GLN. Validates GTIN-8, GTIN-12 (UPC-12), GTIN-13 (GLN), GTIN-14 codes. Universal Price Code (UPC)

A library to validate passwords, with built-in validators for password length as well as the character sets used. Custom validators can also be created.

Defines a GraphQL directive to be used with Absinthe to validate input values.

Validate any data

Helpers for validating email addresses

Data structure validator for elixir

GuardedStruct macro allows to build Structs that provide you with a number of important options Validation, Sanitizing, Constructor

A `TypedStruct` plugin utilizing Ecto.Changeset validation enabled by the plugin `TypedStructEctoChangeset` to provide validating constructors"

Tools for working with data effectively - data contracts using types, schemas, domain validation rules, type-safe casting, and more.

jesse (JSon Schema Erlang) is an implementation of a JSON Schema validator for Erlang.

StructCop is a library that was aimed to introduce data correctness and type corecion into Elixir structs. It also simplifies building valid structs with smart constructors.

Declarative descriptions of how to create a struct from different kinds of input data.

A library that provides a few macros which allow you to encapsulate business logic and validate incoming params over predefined contract.

Library for validating arguments passed in keyword lists

Library for manipulating and validating IBAN account numbers.

TypedStruct plugin for validation & documentation with NimbleOptions

Elixir implementation of JSON Type Definition validation.

An Elixir rule engine where rules are json objects. The judge gives verdicts on any rule matches for a provided json payload.

A library for validating and generating Danish CVR-numbers and P-numbers.

A Brazilian CPF validation written in Elixir.

Schema creation, validation with serialization and deserialization for input data