How to use this tool
Choose CSV to JSON or JSON to CSV, paste the data and run the conversion. Copy or download the result after checking it.
Private processing
Your input is processed in this browser tab. PixelKit does not upload it to a file-processing server; leaving the page clears the current work.
Formats and limits
CSV needs a header row with unique, non-empty names and consistent column counts. JSON input must be a non-empty array of flat objects; nested values are not supported.
Related guides
Frequently asked questions
Does CSV conversion support quoted commas and newlines?
Yes. Quoted fields, escaped double quotes, commas and embedded line breaks are parsed.
Can JSON contain nested objects?
No. JSON to CSV accepts a non-empty array of flat objects; nested values need to be flattened first.
Are my rows uploaded during conversion?
No. Parsing and conversion happen locally in your browser tab.