Convert JSON to CSV

Flattens an array of objects into rows, with the union of every key as the header. Nested objects and arrays don't survive intact - a CSV is a grid, and there's no place in a grid to put a structure.

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What is JSON?

The format the web runs on. Nested objects and arrays, real types, and a syntax small enough to fit on a postcard. It maps badly onto a grid, which is why converting deeply nested JSON to a spreadsheet always involves losing something.

What is CSV?

The least glamorous and most durable data format there is: rows of values separated by commas, readable by every spreadsheet and database ever written. All its subtlety is in quoting - a value with a comma in it has to be wrapped in quotes, and a quote inside that has to be doubled.

Your files never leave your device · no magic required