Advertisement
In-memory processing
JSON to CSV runs as JavaScript inside this tab.
Never uploaded
Safe for financials, contracts and NDAs.
No caps or sign-ups
File size is limited only by device memory.
Advertisement
Convert JSON to CSV to open API responses or database exports in a spreadsheet, or to import them into tools that only accept CSV. Keys become the header row.
Every key that appears in any object becomes a column. Objects that lack a key get an empty cell in that column, so no data is dropped.
Yes. JSON to CSV runs entirely inside your web browser using JavaScript, so the file never leaves your device. It is safe for confidential documents such as contracts, financial records and IDs.
There is no fixed limit, because the file is processed on your own device. Very large files depend on your device's available memory; a modern laptop or phone handles hundreds of megabytes.
Yes. ZapConvert runs in any modern browser, including Safari on iPhone and iPad and Chrome on Android, with nothing to install. You can add several files at once and download them together as a ZIP.