Javascript is required

Large JSON / JS / TS Array Viewer & Explorer

Parse JSON and restricted data literals safely in a background worker

Pasted JavaScript is never executed. Supports const/export wrappers, single quotes, unquoted keys, and trailing commas.

Large JSON Background Parsing Workbench

Parse JSON and restricted data literals in a Web Worker without executing pasted code. Search the generated leaf index and display up to 300 matching rows to keep the DOM bounded.