The home base for JSON work.
Format, inspect, and compare JSON without handing your payloads to a server. json park is a focused browser workspace for developers who value speed, clarity, and privacy.
{
"project": "json park",
"private": true,
"tools": ["format", "view", "diff"]
}JSON tools
The everyday JSON jobs, covered.
Validate, format, inspect, compare, query, and generate from JSON in focused tools that keep payloads on your device.
JSON validator
Validate JSON syntax locally.
JSON formatter & minifier
Pretty-print or minify JSON.
Searchable JSON viewer
Search and fold nested JSON.
JSON diff
Compare changed JSON paths.
JSON schema generator
Infer Draft 2020-12 schemas.
JSON schema validator
Check payloads against schemas.
JSONPath tester
Test JSONPath selectors.
JSON to TypeScript
Generate TypeScript interfaces.
Your payload is not our product.
The core tools run in your browser. json park does not send pasted JSON to our servers, analytics, or the waitlist database.
Browser-native processing
Parsing, formatting, searching, and diffing happen on your device, with workers used for heavier operations.
Clear data boundaries
When a future feature needs a server, it will say so before data leaves your browser. Local is the default, not fine print.
Build in layers
Useful tools now. Deeper workflows only when they earn it.
json park starts with private browser utilities. Saved projects and team workflows will only arrive when they make the tools meaningfully better.
Private tools
Validator, formatter, viewer, structural diff, schema generation, JSONPath query, and TypeScript generation utilities.
Optional saved projects
A future layer for people who want to return to trusted payloads, schemas, and examples across devices.
Team workflows
Future versioning and checks for teams that need repeatable JSON governance.
Help shape what comes next.
Join for occasional product updates and early access. We will use your address only for json park product news.