JSON Schema Generator

Paste a JSON sample and get a valid JSON Schema instantly. Supports Draft-07 and 2020-12. Automatically detects string formats (date-time, email, uri, uuid, date), distinguishes integer from number, and handles nested objects and arrays. Everything runs in your browser.

Schema version:

Supported formats: date, date-time, email, uri, uuid • Distinguishes integer vs number • All fields marked as required • Runs 100% in your browser.

Share this tool: X / Twitter LinkedIn

Related Products

on Gumroad

More Free Tools

Get weekly developer tips

Tool guides, productivity playbooks & AI tricks. Free. No spam.

DevPlaybook Pro 7 days free

Unlock AI-Powered Dev Tools

  • ⚡ AI Code Review, Doc Generator & SQL Builder
  • ⚡ All premium templates & early access
  • ⚡ Member discounts on Gumroad products
Start Free Trial →

$9/mo after trial · Cancel anytime

Want the full toolkit?

Get DevPlaybook Pro

Every template, guide, boilerplate, and automation script in one bundle. 13 premium products — grab them all at once and save big.

$79
$241 separately Save $162 (67% off)
Get DevPlaybook Pro — $79 →

MIT licensed · Instant download · No subscription

See what's included → Browse all deals →