JSPM

JSON Safe Parser & Schema Validator

Fast, lightweight JSON Schema validator for Node.js and browsers — full support for draft-04, draft-06, draft-07, draft-2019-09, and draft-2020-12 (latest)

A JSON Schema validator with support for custom keywords, vocabularies, and dialects

Migrate JSON-Schema `draft-04` to `draft-07`, `draft-2019-09` or `draft-2020-12`

TypeScript implementation of the JSON Schema specification.

Validate JSON instances using JSON Schema.

The fastest JSON Schema validator for JavaScript and TypeScript with Type Inference. Supports Draft 06, 07, 2019-09, and 2020-12.

Fast, lightweight JSON Schema validator for Node.js and browsers — full support for draft-04, draft-06, draft-07, draft-2019-09, and draft-2020-12 (latest) (with updated dependencies)

A pure JavaScript port of the evaluator from Blaze, a high-performance C++ JSON Schema validator. Zero dependencies. Supports Draft 4, Draft 6, Draft 7, 2019-09, and 2020-12 with schema-specific code generation for near-native speed

[DepUp] JSON Safe Parser & Schema Validator

A high-performance, spec-correct JSON Schema validator written in C++

JSON schema generator writen in TypeScript supporting from JSON Schema draft-07.

Validates JSON payloads

JSON schema generator writen in TypeScript supporting from JSON Schema draft-07.

jsonschema-draft07 editor

Generate JSON Schema (draft-07) from sample JSON data. Handles nested objects, arrays, type detection, and schema merging. CLI tool.

Jaren JSON Schema Draft Specifications

The most complete JSON Schema validator. All drafts (3, 4, 6, 7, 2019-09, 2020-12, draft-next). Format validation, $ref, $dynamicRef, unevaluatedProperties, unevaluatedItems.