JSON Lab
Core
JSON Editor
Format, validate and edit JSON
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JSON Format
Format and prettify JSON
JSON Minify
Minify JSON for production
Compare
JSON Diff
Compare two JSON documents
Validate
JSON Schema Validator
Validate JSON against schema
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JSON to CSV
Convert JSON to CSV format
JSON ↔ YAML
Convert between JSON and YAML
JSON to XML
Convert JSON to XML format
SQL to JSON
Convert SQL results to JSON
Encode
JWT Decoder
Decode and inspect JWT tokens
Base64 Encoder/Decoder
Encode and decode Base64
URL Encoder/Decoder
Encode and decode URL strings
Timestamp Converter
Convert timestamps and dates
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UUID Generator
Generate UUID identifiers
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JSON Diff
Compare two JSON documents.
JSON to CSV
Export arrays to CSV.
JSON ↔ YAML
Convert YAML and JSON.
JSON to XML
Convert for legacy systems.
SQL to JSON
Format query output to JSON.
JWT Decoder
Inspect JWT safely.

JSON Schema Validator

Validate JSON data against a JSON Schema to ensure it matches your expected structure and format.

  • Validate JSON against any JSON Schema draft.
  • Clear error messages with instance paths.
  • Client-side processing for privacy.
  • Support for all schema keywords and formats.
JSON to CSVJSON ↔ YAMLJSON Diff

FAQ

What JSON Schema versions are supported?
This validator supports JSON Schema draft-07 and later versions.
Does validation handle custom formats?
Built-in formats like date-time, email, and uri are supported. Custom formats may not be validated.