jsontoolskit.org

JSON and JSON Schema utilities, in the browser

Home
JSON formatter JSON minifier JSON validator JSON repair JSON stringify
JSON → CSV CSV → JSON JSON → YAML YAML → JSON JSON → XML XML → JSON JSON → TOML TOML → JSON JSON → NDJSON NDJSON → JSON JSON → Base64 Base64 → JSON
Sort keys Flatten Unflatten Deep merge Extract Escape Unescape
jq playground JSONPath tester Tree viewer Graph view
Diff JSON Patch Merge Patch
Schema generator Schema validator Schema visualizer Schema faker Schema → types OpenAPI extract
JSON → TS JSON → Go struct JSON → Python JSON → Zod
Size analyzer Stats Sample JSON

This page has moved

The JSON Schema Validator is now at /json-schema-validator. You'll be redirected automatically.

Format / Validate

JSON formatter JSON minifier JSON validator JSON repair JSON stringify

Convert

JSON → CSV CSV → JSON JSON → YAML YAML → JSON JSON → XML XML → JSON JSON → TOML TOML → JSON JSON → NDJSON NDJSON → JSON JSON → Base64 Base64 → JSON

Transform

Sort keys Flatten Unflatten Deep merge Extract Escape Unescape

Query / Explore

jq playground JSONPath tester Tree viewer Graph view

Diff / Patch

Diff JSON Patch Merge Patch

JSON Schema

Schema generator Schema validator Schema visualizer Schema faker Schema → types OpenAPI extract

Generate types

JSON → TS JSON → Go struct JSON → Python JSON → Zod

Inspect

Size analyzer Stats Sample JSON

© jsontoolskit.org — 2026, part of TinyToolkit, made by Parallax

Changelog · Sample JSON · Privacy · Terms · Contact · [email protected]

jsonlkit.com — JSONL fixer / validator / converters · csvkit.org — CSV converters / viewer / cleaners · tomlkit.org — TOML formatter / validator / converters · geojsonkit.org — GeoJSON viewer / validator / converters · pngtoolskit.org — PNG / image tools · tsvkit.org — TSV convert / view / clean · xmltoolskit.org — XML format / validate / converters · pdftoolskit.org — PDF merge / split / watermark / convert · urltoolskit.org — URL encode / parse / UTM / QR