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

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.

An extensible data validation library for Elixir

A schema validator inspired by JSON Schema.

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

Simple data validation for Elixir

Parameter structure validation and casting with Ecto.Schema.

Phoenix request params validation library

Luhn algorithm in Elixir

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

EctoSanitizer is a libary for sanitizing inputs to Ecto Changesets.

SQL-LIKE sanitization for strings.

Bankster is an IBAN and BIC validation tool for Elixir.

Elixir burner email (temporary address) detector

A parameter validation library based on Ecto

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

Detect disposable (burner) or personal email addresses.

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

Simple validation for keyword lists.

Data validation and transformation

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)

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

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

Validate JSON and store to a specified data structure

Validate any data

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.

Library for manipulating and validating IBAN account numbers.

Schema creation, validation with serialization and deserialization for input data

Plugin for typed struct to integrate with changeset

Data structure validator for elixir

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

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.

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

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

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

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

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

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

Library for validating arguments passed in keyword lists

Elixir implementation of JSON Type Definition validation.

TypedStruct plugin for validation & documentation with NimbleOptions

Filtering from incoming params in Elixir/Ecto/Phoenix with easy to use DSL.

A Brazilian CPF validation written in Elixir.

Simple parameters validation library

A library to validate email address format.

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

Fast case-insensitive validation and conversion between ISO Alpha-2, Alpha-3, and Numeric Country and Language Codes.

Schema definition and validation library for Elixir