JSON Viewer for Big Files That Don't Crash
Open 500 MB JSON files in your browser. We never see your data — parsing, search, schema inference, all local.
Drop a file, paste your JSON, or load a sample to get started.
500 MB JSON
Streaming parser handles files that crash other browsers.
Zero upload
All parsing local — your JSON never leaves the browser.
5 views in one
Tree, schema, table, query, semantic diff — all in tabs.