Private by default.
The first version uses browser-side parsing. Nothing is uploaded by this page.
01 / FREE WEB TOOL
Turn dense JSON into a clear, readable map — right in your browser.
Paste an API response, configuration file or nested object. Data Map formats it, checks it and lets you explore the structure without sending it to a server.
02 / TRY IT
Everything runs in this page. Your pasted data stays in your browser.
The first version uses browser-side parsing. Nothing is uploaded by this page.
The interface focuses on the structure that matters, with readable types and item counts.
There is no account, subscription or paid upgrade. Clearly labelled ads help support the site.