uDocumentViewer
Data & Config.json

JSON viewer

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About JSON

JavaScript Object Notation — structured data.

JSON is the lingua franca of the web — config, APIs, log payloads. Our viewer parses it natively and renders a virtual tree so you can navigate million-key documents without locking the tab.

FAQ
What is a JSON file?
JSON is the lingua franca of the web — config, APIs, log payloads. Our viewer parses it natively and renders a virtual tree so you can navigate million-key documents without locking the tab.
Is my file uploaded?
No. Files are opened entirely in your browser using local JavaScript and WebAssembly. Nothing is sent to a server.
Does it work on mobile?
Yes. The viewer is mobile-first and works on phones, tablets, and desktops.
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