JsonSchema Forge

JSON Schema Draft 7/2020-12 Validator & TypeScript Generator

Data contract and API validation workstation. Validates JSON documents against JSON Schema Draft 4, Draft 7, and 2020-12 specifications, automatically generating TypeScript interfaces, C++ structs, and Python Pydantic models from schema definitions.

Purchase License ($24.99) Open Live Web Portal

Real Desktop Application Screens • Captured from the Running Program

100% Native Executable Node-Lock Verified

Head-to-Head Competitor Analysis

Why JsonSchema Forge is cheaper, faster, and more secure than Stoplight Studio / Cloud Schema Tools ($30/user/mo).

Comparison Metric	JsonSchema Forge	Stoplight Studio / Cloud Schema Tools ($30/user/mo)
License Model & Price	$24.99 (One-Time Perpetual)	$360/year recurring subscription
Annual Financial Savings	Save $335/yr every single year
Competitor Drawbacks	Cloud platform lock-in, sluggish web interfaces, requires internet connectivity to validate schema structures
Why Vivian Is Better	One-time $24.99 perpetual license, 100% offline, instant code generation (TypeScript/C++/Python), zero subscription
Execution Environment	100% Offline Air-Gapped	Mandatory cloud check-in
Runtime Telemetry	Zero Telemetry (0.00KB sent)	Cloud telemetry & user tracking

Engineering Specifications & Features

Compliant validation against JSON Schema Draft 4, Draft 7, Draft 2019-09, and Draft 2020-12

Sub-microsecond validation engine checking 100,000 JSON payloads per second

Automated type code generator: outputs TypeScript interfaces, C++ structs, and Python Pydantic models

Infer schema from sample JSON: analyzes sample payloads and synthesizes clean JSON Schema contracts

Visual schema hierarchy graph displaying nested objects, arrays, and enum constraints

Headless CLI validator for integration into git pre-commit hooks and CI/CD pipelines

Graphical Interface (GUI) Architecture

Split-editor: Schema on left, sample JSON on right, validation status pill (Valid/Error), and generated TypeScript/C++ tab.

Headless CLI Reference & Execution

JsonSchema Forge includes a headless command-line binary ready for automation pipelines, cron daemons, and CI/CD runners:

# Headless command execution:
jsonschema --val-sample --schema schema.json --input data.json --gen-typescript types.ts
# Cryptographic node-lock activation:
jsonschema --activate YOUR-CROCKFORD-KEY

Core Architecture & Asymmetric Security

High-performance C++ JSON validation engine utilizing RapidJSON and nlohmann/json for sub-millisecond evaluation.