Developer Utilities
CSV to JSON & JSON to CSV Converter
Converts a headered CSV to JSON objects, or an array of objects to CSV. Cell values stay strings.
How to use CSV ↔ JSON
- Choose CSV → JSON or JSON → CSV.
- Paste a headered CSV table or an array of objects.
- Generate and inspect the columns before downloading.
A practical example
name,active\nToolioz,true becomes [{"name":"Toolioz","active":"true"}].
What to check before using the result
Values stay strings. Nested objects, comments, and multi-table workbooks are not supported.
Local processing
Inputs are processed in this tab. The site and some engines still load network assets.
Inspect before sharing
Review the output and keep the original file. Large files may take longer to process.
No account needed
No account, API keys, or watermarks required.