What Is CSV ↔ JSON Converter?
A free online CSV to JSON and JSON to CSV converter. Upload files or paste data directly. Supports header row detection, nested objects, and drag-and-drop. All conversion happens locally in your browser.
Why Use CSV ↔ JSON Converter?
- Bidirectional: CSV ↔ JSON conversion
- Drag-and-drop file upload support
- Automatic header row detection
- Handles quoted fields, commas, and newlines in CSV
How to Use CSV ↔ JSON Converter — Step by Step
1
Choose direction: CSV → JSON or JSON → CSV.
2
Upload a file or paste your data into the input area.
3
Toggle "First row is headers" if converting CSV to JSON.
4
Copy or download the converted output.
Who Is CSV ↔ JSON Converter Best For?
- data migration
- API testing
- spreadsheet conversion
- config files
CSV ↔ JSON Converter — Frequently Asked Questions
Does it handle commas inside quoted fields?
Yes, the CSV parser properly handles fields wrapped in double quotes, including embedded commas, newlines, and escaped quotes.
Can I upload Excel files?
Currently the tool accepts .csv and .txt files. For Excel (.xlsx), export to CSV first, then upload the CSV file.
Ready to Use CSV ↔ JSON Converter?
Free online tool — works in your browser, no sign-up required. Start using it right now.
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