Launching today
CurlyJSON
Powerful JSON tools. Your data stays yours.
2 followers
Powerful JSON tools. Your data stays yours.
2 followers
Format, validate, compare and convert JSON in your browser ā nothing is uploaded. Graph and table views, a diff that ignores key order, JSON Schema, jq, types in 27 languages, CSV/Excel, JWT decoder and a Chrome and Edge extension. Free, no sign-up, offline.
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Promoted
Hi Product Hunt š I'm Anji, the maker of CurlyJSON.
I work with API responses every day and got tired of two things: online JSON tools that upload whatever you paste (tokens, customer data, all of it), and diff tools that call every reordered key a "change".
So CurlyJSON runs entirely in your browser. Nothing you paste is sent anywhere, there's no sign-up, and it keeps working offline:
ā¢ a formatter that repairs broken JSON, never rounds 64-bit IDs and handles large files
ā¢ graph and table views to explore big documents, with copyable paths
ā¢ a diff that matches array items by id and lets you ignore timestamps
ā¢ a JSON Schema validator, jq & JSONPath playgrounds and a JWT decoder
ā¢ JSON ā TypeScript, Zod, Go, Python and 23 more
ā¢ JSON ā CSV & Excel that keeps zip codes and phone numbers safe, plus YAML, XML & TOML
ā¢ it spots API keys and passwords, and warns before you share secrets
ā¢ Now live on both Chrome and Edge.
Every tool is free. What's the JSON job you'd most like to stop doing by hand? š