JSON Viewer
Format and explore JSON with an interactive tree view. Click any path to copy it instantly. Supports syntax highlighting, minification, and validation.
JSON Diff
Compare two JSON documents side-by-side with GitHub-style diff highlighting. View additions in green, deletions in red, and navigate changes easily.
JSON Generator
Generate realistic fake JSON data using Faker templates. Perfect for testing, prototyping, and creating mock APIs. Supports names, emails, addresses, and more.
Schema Wizard
Convert JSON to JSON Schema or generate sample JSON from a schema. OpenAPI 3.0 compatible with format detection and enum inference.
JSON Transformer
Visual JSON transformer like jq but sane. Map JSON A to JSON B, rename keys, flatten, nest, filter arrays. Export transformations as jq, JavaScript, or Python code.
Query Playground
Query JSON with JSONPath, JMESPath, or simple paths. Live preview with inline query explanations. Highlight matched nodes and copy results.
JSON Redactor
Mask emails, phone numbers, API keys, tokens, and other sensitive data in JSON. GDPR-friendly with deterministic masking, custom patterns, and safe-to-share mode.
JSON Converter
Convert JSON to TypeScript interfaces, Zod schemas, SQL tables, Protocol Buffers, GraphQL types, YAML, XML, and 15+ other formats. Generate code and data structures from JSON input.
Size Analyzer
Analyze JSON size by path and find what's making your payload fat. See hot paths, repeated strings, and gzip estimates. Optimize with live "what-if" analysis to reduce API payload size.