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Paste a CSV or open the file and get JSON back. Quoted fields with commas and line breaks survive intact, and optional type conversion turns numbers and true/false into real values — while leaving postal codes and part numbers as text.
Paste a CSV, or open a .csv file.
Paste into the editor or open a file — everything you add stays in this tab, and you see exactly what the tool will work on before anything runs.
Your browser does all the work locally. Nothing is uploaded — what you paste never leaves this tab, so there’s nothing for anyone to store, scan, or leak.
Take the result to your clipboard or save it as a file. Close the tab and nothing of what you pasted remains.