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.

A schema validator inspired by JSON Schema.

An extensible data validation library for Elixir

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.

Parameter structure validation and casting with Ecto.Schema.

Simple data validation for Elixir

Phoenix request params validation library

Luhn algorithm in Elixir

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

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

Elixir burner email (temporary address) detector

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

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.

A parameter validation library based on Ecto

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)

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

Simple validation for keyword lists.

Detect disposable (burner) or personal email addresses.

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

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

Validate JSON and store to a specified data structure

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.

Validate any data

Data validation and transformation

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

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.

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

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

Schema creation, validation with serialization and deserialization for input data

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

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.

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

Ensure structs match their current definition.

Library for validating arguments passed in keyword lists

TypedStruct plugin for validation & documentation with NimbleOptions

A library to validate email address format.

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

Input validation & protocol documentation

A comprehensive set of data structure validation and related helper functions, designed to work without external dependencies.

Elixir implementation of JSON Type Definition validation.

Elixir implementation of the NLdoc Spec for validation of documents.

A plug for Phoenix that validates and transforms HTTP request params.

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

Library for manipulating and validating IBAN account numbers.

EctoCommand is a toolkit for mapping, validating, and executing commands received from any source.

A Brazilian CPF validation written in Elixir.

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.

Simple parameters validation library

Schema definition and validation library for Elixir

A library for checking if an email address is from a disposable email service.