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Pick fields (id, name, email, address, date, lorem) and how many records - get a clean JSON array ready for tests, fixtures, and demo databases.
This fake json data generator runs 100% in your browser. Nothing you paste, drop, or generate ever leaves your device - no analytics on your input, no uploads, no logs.
Curated lists for names, cities, emails - not personal data.
Same browser-only philosophy. Free, no signup, no upload.
Generate a JSON Schema (draft-07) from any JSON sample.
Build a mock JSON response with status, headers, and body.
Generate v1, v4, and v7 UUIDs in bulk - copy or download as JSON.
Beautify, validate, and minify JSON with sortable keys, exact error positions, and a one-click copy.
Validate JSON syntax with exact line and column for every error.
Strip whitespace from JSON to produce a single compact line.
We design and ship internal tooling, dashboards, and customer-facing utilities. Tell us what you need and we'll scope it.