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Transforms a CSV with a header row into a JSON array. The first CSV line defines the object keys. Quotes and commas in values are handled automatically per the CSV standard.
Free, no account required, browser processing and no server upload.
Transforms a CSV with a header row into a JSON array. The first CSV line defines the object keys. Quotes and commas in values are handled automatically per the CSV standard.
Edge cases
Empty cell
null value in JSON
Quotes in value
Preserved as-is
Line breaks in a cell
Preserved if the cell is in quotes
CSV must use the comma delimiter. If you have a CSV with semicolons (European locale), replace them first using the "Find and replace" tool.
A Google Sheets export in CSV with 3 columns and 10 rows becomes a JSON array of 10 objects. Each object has the 3 properties from the header.
CSV to JSON helps you complete this task directly in your browser. You keep control of your data and get the result locally.
Yes. CSV to JSON is free to use and runs in your browser without sending files or content to Lmaotools servers for processing or storage.
No. Files and content added to the tools are processed in your browser. They are not sent to Lmaotools servers for conversion or storage.
No. Open the tool, add your file or content, then get the result. Processing happens locally in your browser.