Found 164 results for data-validation
A framework-independent core of the SurveyJS Form Library that works with rendering packages. Use it to integrate dynamic, interactive JSON-based forms and surveys into your app, collect user responses, and send them to your own database.
A free MIT-licensed React UI component that renders dynamic, interactive JSON-based forms and surveys. You can use it to collect responses from users and send them to your own database.
Sheet-specific data validation commands, services, and Facade APIs for Univer Sheets.
Data validation UI for Univer Sheets.
Shared data validation models and rule services for Univer.
Preset for data validation in Univer Sheets.
A free MIT-licensed UI component that renders dynamic, interactive JSON-based forms and surveys in apps built with HTML, CSS, and JavaScript. You can use it to collect responses from users and send them to your own database.
A free MIT-licensed Angular UI component that renders dynamic, interactive JSON-based forms and surveys. You can use it to collect responses from users and send them to your own database.
A versatile JavaScript library for effortlessly generating .xlsx files from input objects. Seamlessly create Excel spreadsheets with data, formatting, formulas, and more.
Zod validator adapter for WS-Kit with runtime schema validation and full TypeScript inference
A lightweight JavaScript utility for type checking.
A flexible and extensible schema validation library for JavaScript objects, designed for REST APIs and beyond. Features include type casting, data transformation, and a pluggable architecture for custom rules.
A simple and lightweight TypeScript type guard library for runtime type validation.
Entity schema definition & validation helpers for Plasius ecosystem
Provides a convenient way to define models and their associated fields for encoding and decoding various data formats.
Rainbo command line tools for data migration workflows
A concise JSON Schema validation library with DSL syntax, side-effect-controlled chainable APIs, and convenient validation helpers
High-performance XLSX read/write library powered by Rust WASM. Full styling, encryption, data validation, conditional formatting — features SheetJS charges for, free and open source.
A modern TypeScript validation library designed around familiar interface syntax and powerful conditional validation. Experience schema validation that feels natural to TypeScript developers while unlocking advanced runtime validation capabilities.
Fetch, validate, introspect, and classify YounndAI Domain schemas — industry-specific vocabularies for YON™, the stream-first data format, with JSON Schema export.
SpreadJS sheets data validation module
Zod compatibility library
Lightweight, fast and type-safe runtime type validation for TypeScript
High performance CSV and Excel ingestion library for React and Node.js
A modern TypeScript validation library designed around familiar interface syntax and powerful conditional validation. Experience schema validation that feels natural to TypeScript developers while unlocking advanced runtime validation capabilities.
Simple masking solution for any frontend as well as nodejs. Provides composable for Vue3
SpreadJS sheets data validation module
Official JavaScript/TypeScript client for the Snipget API — data normalization, parsing, validation, and classification utilities for AI agents and developers.
AutoMapper
A flexible React component for mapping CSV columns to predefined fields with validation
Zod + Decorators. Schema contracts on your classes — groups, inheritance, composition, NestJS pipes, MCP-ready. The class-validator alternative powered by Zod.
Universal data validation utilities using JSON Schema, Zod, and custom validation rules
Data validation custom feature for write-excel-file
SpreadJS sheets data validation module
A collection of useful regular expressions.
Production-ready Express.js + TypeScript boilerplate with MVC architecture, JWT auth, MongoDB, security, validation, and testing—build scalable REST APIs fast
A powerful library for comparing JSON objects with support for deep comparison, regex validation, and customizable options
A wrapper for the address-validator.net API
A powerful, production-ready vanilla JavaScript CSV import library with intelligent column mapping, real-time validation, and a beautiful, themeable UI
Lightweight and predictable runtime type guards for JavaScript and TypeScript
A TypeScript DTO (Data Transfer Object) parsing and validation library. Define a schema once — get runtime validation and a fully inferred TypeScript type for free.
A powerful data onboarding SDK for importing, mapping, validating, and transforming structured data
A powerful TypeScript validation library for Node.js with data sanitization. Validate, sanitize, and transform data with rule-based validation, nested object/array support, default values, type conversion, and structured error reporting. Perfect for Expre
**bguard** is a powerful, flexible, and type-safe validation library for TypeScript. It allows developers to define validation schemas for their data structures and ensures that data conforms to the expected types and constraints.
High-performance TypeScript library for type-safe data validation and client-server communication with bidirectional RPC, streaming support, and multiple transport options
MCP server for validating, transforming, and normalizing structured data - built specifically for AI agents
Mongoose-like JSON Schema Validator with Zod-inspired transformations
Production-Ready n8n Node für Nextcloud Tables - Vollständige API-Abdeckung mit erweiterten Filtern, Multi-Column-Sorting, CSV-Import und professioneller Datenvalidierung
Atomic CSV data validation and error correction utilities
powerful TypeScript validation library built on the robust foundation of Effect combining exceptional type safety, high performance, and developer experience. Taking inspiration from Effect's functional principles, VEffect delivers a balanced approach tha
Valibot validator adapter for WS-Kit with lightweight runtime validation and minimal bundle size
Aid provides a structured and type-safe way to interact with LLMs.
A lightweight, Zod-like, schema-first validation library for TypeScript and JavaScript.
Validation and sanitization library for TypeScript
JavaScript JSON schema validation with TypeScript type inference.
validate dynamic schema
TypeScript utilities for safe type conversion and data transformation. Perfect for API responses, forms, and any data validation needs.
JSON Schema validation node for n8n workflows with dual output routing
Open-source Node.js/TypeScript library for reading, writing, and manipulating Excel XLSX files with full formatting and formula evaluation
@apexo/type is a small, zero-dependency library that gives you easy and reliable type checks in JavaScript and TypeScript.
The only validation library - with flexible regex - you need.
Validation library for JavaScript and TypeScript
Data-first GraphQL for Azure CosmosDB
Dynamic, rule-based validation for JS/TS objects with support for strings, numbers, dates, booleans, arrays, and custom conditions.
A TypeScript/JavaScript library for rule-based entity validation with boundary checking for strings, numbers, dates, enums, objects, and arrays.
An intelligent JSON processing workflow system with improved error handling and configuration
🚀 Lightweight, fast & flexible request validation library for Node.js/Express/Next.js with TypeScript support. Features 20+ validation rules, database integration, file upload validation, and zero external dependencies. Perfect for API validation, form v
A wrapper for api.email-validator.net
Validation library for TypeScript and JavaScript.
TypeScript-compatible JSON schema validation library with strong type inference and zero dependencies
A flexible React component for mapping CSV columns to predefined fields with validation
JS validation utility
Composable, schema-driven serialization and validation for JavaScript.
Joi SQL Injection Validator is a lightweight npm library designed to validate SQL injection attacks in user input using Joi, a popular validation library for Node.js. This library provides a set of pre-built Joi validation schemas for various types of use
MCP Bundle for iceDQ Data Quality Platform with Sandy AI assistant and enhanced features
TypeScript library for loading and validating JSON/YAML schemas using AJV with optional logging support
A dynamic rule-based validation engine for Excel and CSV files
A robust JSON repair utility for malformed JSON strings. Handles common issues from LLMs, copy-paste errors, Python-to-JSON conversions, and various format inconsistencies.
Human-friendly and powerful data validator library utility for JavaScript
Enterprise-grade reusable schema definitions and validation utilities for SaaS applications. Provides comprehensive Zod schemas for users, organizations, authentication, products, billing, and APIs with full TypeScript support
A versatile and customizable file upload and processing component for React applications. Supports CSV, Excel, and various data formats with advanced data transformation, validation, and visualization capabilities. Ideal for building robust data-driven UI
Minimal validation library for the brave
A flexible fuzzy matching and string normalization engine for JavaScript.
Collection of JS regular expressions.
Library for checking js object property types
A lightweight, fast, and regex-based validation library for email, phone number, and password validation in JavaScript, React, and Node.js.
Validation utilities for JavaScript/TypeScript - email, URL, phone, empty checks, type checks, and runtime detection. Comprehensive validation library for forms, APIs, and data validation. Lightweight and fast.
Akar.js is a simple and lightweight schema based data-validation library.
Miyax Validator JS - A powerful JavaScript validation library inspired by Laravel Validation Rules
A versatile data validation library for RESTful APIs, supporting a wide range of data types and validation rules.
A wrapper for the phone-validator.net API
A minimal and robust form validation library
Validation engine plugin for ObjectQL - Field-level, cross-field, state machine, business rule, and uniqueness validation
Advanced validation library with multiple API styles including JSON templates, inline rules, builder pattern, and functional composition. Features 50+ built-in validators, dot notation for nested objects, field reference resolution, and internationalizati
Validate api request against api schema
Lightweight utilities for flexible Zod schema validation (string, number, array, object, boolean, ISO).
智能的JSON处理工作流系统，提供自动化监控、验证和转换功能
A powerful TypeScript validation library for emails, IBANs, identity cards, passports, and phone numbers.
Readable regex transformations, validations, and utilities with both static and chainable API.
Data validation that discovers rules from your data. TypeScript port of the goldencheck Python library.
A collection of JavaScript helper functions to be used in conditional logic within projects
Golden Suite orchestrator — chains GoldenCheck, GoldenFlow, and GoldenMatch into one adaptive pipeline. TypeScript port of the goldenpipe Python library.
A world-class Joi validation error formatter for structured, user-friendly error handling.
Production-ready React component library for validating Excel/CSV sheets with built-in Indian data validators
Lint CSV/TSV data files locally for quality issues: ragged rows, type drift, missing values, duplicates, mixed date formats, numeric outliers, and optional schema violations. Column profiling, JSON/Markdown reports, no dependencies on a data lib, no API k
A framework-independent core of the SurveyJS Form Library that works with rendering packages. Use it to integrate dynamic, interactive JSON-based forms and surveys into your app, collect user responses, and send them to your own database.
A RuffLIB library for succinctly validating JavaScript values.
Web worker wrapper for data-sitter validation in browsers
A flexible TypeScript condition checker for evaluating complex conditions against objects
The validation of data is an essential part of an application, used in api endpoints, input data validation, ... just to name a few examples. Most commonly in nodejs the express validators, joi validators, or class validators are used. This library is a l
Persian rules in yup
Blazing-fast, zero-dependency, TypeScript-first schema validation — 10x faster than Zod, 5x smaller.
A comprehensive validation library for various data types.
The most rigorous, up-to-date library for validating Nigerian mobile numbers. Fully NCC-compliant, and security-focused, with enterprise-grade features to prevent the business risks of validation failures in regulated industries.
A lightweight and simple validation module for JavaScript, providing essential utilities for data validation.
Validador de Dados JSON para NodeJS
专业的正则表达式管理库，内置100+精选正则，支持团队标准化和TypeScript。Professional regex management library with 100+ built-in patterns, team standardization, and TypeScript support.
CLI em Node.js e TypeScript para gerar, validar e formatar CPF, CNPJ e CEP, com utilitários para JSON, strings, hashes, ZIP, IDs, senhas e dados aleatórios.
Professional JavaScript utility to generate flexible and accurate regex patterns for data validation
A strongly-typed, chainable validation library for TypeScript. Craft intricate validation rules with Fluent API goodness. Go beyond boilerplate and embrace customizability.
This package is designed to assist developers in type checking and validation for various JavaScript values. It provides a collection of type-checking functions, and utilities to validate your values.
Schema validation powered by FormaJS. Mold your data's shape via fluent API—orchestrate purely, reimplement nothing.
The `validator-helper` is a lightweight JavaScript library designed to simplify data interaction and validation. It streamlines the validation processes and provides essential helper functions to enhance efficiency in your projects.This package provides a
TypeScript-first schema validation library with 53+ validators, async validation, transforms, hard/soft errors. Alternative to Zod, Yup, Joi. Works everywhere (browser, Node.js, serverless).
procheck is a powerful CSV validation tool that automatically detects headers and applies configurable validation rules for common lead data fields. It ensures data accuracy and generates separate output files for valid and invalid records.
Node library for data validation
A lightweight validation library with easy-to-use functions for email, phone number, and password validation
check value is string or not
Production-ready n8n node for Nextcloud Tables – full API coverage with advanced filters, multi-column sorting, CSV import, and professional data validation
Effortlessly send, receive, and validate JSON over streams
This is a package for validating request data in the express app
Advanced MCP server for Google Sheets — charts, pivot tables, formulas, formatting, and analytics
Verinix - A lightweight Node.js library to validate input fields and format text or time with custom type and length validation.
Data validation module
CLI for Trust Query Language
The `kp-validator-helper` is a lightweight JavaScript library designed to simplify data interaction and validation. It streamlines the validation processes and provides essential helper functions to enhance efficiency in your projects.This package provide
A lightweight and customizable field validation library using Joi, inspired by Laravel's validation rules. Simplifies data validation with intuitive rule-based syntax.
0 dependencies validation library
The `validator-helper` is a lightweight JavaScript library designed to simplify data interaction and validation. It streamlines the validation processes and provides essential helper functions to enhance efficiency in your projects.This package provides a
Library for checking js object property types
🚀 Universal, type-safe validation library for TypeScript/JavaScript. Define once, validate everywhere - React, Vue, Angular, Express, NestJS.
Lightweight, ultra-low-latency validation and observability framework for WebSocket-based data streams
DecoVal is a decorator-driven validation pattern that allows you to add validation rules directly to the properties of TypeScript classes, simplifying data control and increasing code readability and reusability.
Excel Creator MCP Server - Generate Excel files from YAML with rich formatting, charts, and validation support
The easiest way to validate your data consistency. Ensure the quality of your files without writing code
An npm package for validating conditions and response objects. Ensure data integrity and reliability in your applications with easy-to-use validation functions
A lightweight, powerful validation library for Node.js backend development. Simplify user input validation, error handling, and data integrity in Express APIs and JavaScript applications with ease.
Lightweight universal data validation library
A simple validation package for common data types.
🔢 JavaScript range validation library - Extend Number and BigInt prototypes with powerful range checking, validation, and manipulation utilities. Perfect for form validation, game development, and scientific computing.
A Schema-Based Runtime Data Validator for TypeScript.
The `kp-validator` is a lightweight JavaScript library designed to simplify data interaction and validation. It streamlines the validation processes and provides essential helper functions to enhance efficiency in your projects.This package provides a lig
A flexible, type-safe validation library for TypeScript/JavaScript with declarative schema-based validation
A shameless library for auto-correcting variable types.
Validates that the second date field is greater than the first date
A powerful and flexible Node.js input validation library.
Secure, production-ready utility to sanitize, normalize, validate, and transform CSV import data for SaaS applications.
A data validation tool
A minimal, fast, and extensible data validation library built for a new era of intelligence.
Lightweight TypeScript-first schema validation library with Zod-like API
Composable, schema-driven serialization and validation for JavaScript.
A lightweight email, phone, password and schema validator.
Reusable 3-panel data digitization/validation UI — file/related-item list + document viewer (image/PDF/text) + schema-driven form, for human-in-the-loop data entry.
High-performance Canvas-based spreadsheet engine for the web. Supports 100K+ rows, Excel-compatible formulas, plugins, and Web Components UI.