Text & data
Count words, change text case and convert CSV or JSON.
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CSV to JSON
Convert CSV with comma, semicolon or tab separators to JSON.
JSON to CSV
Export JSON arrays to CSV with configurable separators.
Word counter
Count words, characters and paragraphs as you type.
Change text case
Convert text to uppercase, lowercase or title case.
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Input
CSV to JSON — What this tool does
Convert CSV with comma, semicolon or tab separators to JSON.
- Input and output
- CSV → JSON
- Options you can adjust
- CSV separator · JSON indentation
How to use it
- Start with the supported input below. Check the file name and selected pages before processing.
- Adjust the available settings to suit the result you need. Your choices apply when you run the tool. CSV separator · JSON indentation.
- Run the tool, review the result and any warnings, then download or copy the output. Larger files may take longer on your device.
Limits and output quality
Text input is limited to 500,000 characters (500 KB for imports).
Check the text format and try again.
Frequently asked questions
What result will I get?
JSON. Convert CSV with comma, semicolon or tab separators to JSON.
Are my files uploaded to a server?
Files and text are processed in this browser tab, without server uploads or analytics. Language and theme preferences are saved on this device. Closing the tab releases the working files. On the first visit, the site uses the hosting provider’s approximate IP country when available, then your browser language. A language cookie remembers your choice for one year. You can change it at any time.
Will this change my original file?
No. The tool creates a separate result for you to review and download. Keep the original until you have checked the exported content.
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