Convert JSON to CSV
Convert a JSON array of objects into CSV rows.
Input JSON
Options
Output CSV
What It Does
Convert a JSON array of objects into CSV rows with configurable delimiters and quoting.
Common Use Cases
- Turning API responses into CSV
- Exporting JSON data to spreadsheets
- Preparing tabular data for CSV pipelines
How to Use
- Paste a JSON array of objects into the input
- Adjust header extraction, delimiter, and quoting
- Copy the generated CSV output
Features
- Header extraction toggle
- Custom delimiter and quote character
- Quote-all option
Examples
Below is a representative input and output so you can see the transformation clearly.
[{"name":"Ada","score":9},{"name":"Lin","score":7}]name,score Ada,9 Lin,7
Edge Cases
- Very large inputs may take a few seconds to process in the browser. If performance slows, split the input into smaller batches.
- Mixed formatting (tabs, line breaks, or inconsistent delimiters) can affect output. Normalize spacing first if needed.
- Convert JSON to CSV follows the selected options strictly. If the output looks unexpected, re-check option settings and input format.
Troubleshooting
- Output looks unchanged: confirm the input contains the pattern this tool modifies and that the correct options are selected.
- Output differs from a previous run: confirm that the input and every option match, because deterministic tools should repeat when the settings are identical.
- Unexpected characters: check for hidden whitespace or encoding issues in the input and try normalizing first.
- Slow processing: reduce input size or try a modern browser with more available memory.
Frequently Asked Questions
Will the same input and settings always produce the same output?
Yes. This tool is deterministic, so repeating the same input with the same settings produces the same result.
Does this tool process data in the browser or on a server?
This tool runs locally in your browser, so your input is processed on your device rather than being uploaded for server-side conversion.
Is my input stored or logged?
If this tool runs entirely in your browser, your input stays on your device during processing and is not sent to our servers.
How fast is processing?
For most inputs, results appear immediately. Large inputs may take a moment depending on your browser and device.
Can this handle large text?
It can handle large text, but performance depends on your browser and device. For very large files, consider splitting the input.
Does it support mobile?
Yes. The interface is responsive and works on phones and tablets, so you can use it on the go.