Need to format JSON from an API response? The Wivrix CSV to JSON Converter is free, works in your browser, and takes seconds to use.
What this tool does
Convert CSV to JSON or JSON to CSV instantly. Free, private, runs entirely in your browser. Supports custom delimiters and headers.
Why use Wivrix?
Many online tools ask you to sign up, add a watermark, or upload your files to a server you cannot see. Wivrix is different:
- Private by design — Everything runs in your browser. Your files and input stay on your device — nothing is uploaded to Wivrix.
- Free — no account, no paywall, no file-size tricks
- Fast — open the page and start working
Step-by-step guide
- Paste your CSV data into the input box (or JSON to go the other way).
- Set the delimiter (comma, tab, semicolon, etc.) if it's not a comma.
- Check First row is header if your CSV has column names.
- Click Auto-Detect & Convert — the tool figures out the direction.
Common uses
- Format json from an api response
- Decode a jwt during debugging
- Test a regular expression quickly
- Convert yaml config to json
Frequently asked questions
Do I need an account?
No. Open the tool and use it straight away.
Is the CSV to JSON Converter really free?
Yes. Wivrix tools are free to use. The site is supported by ads that load only after you consent.
Is my data safe?
Everything runs in your browser. Your files and input stay on your device — nothing is uploaded to Wivrix.
Try it now
Open the free CSV to JSON Converter and follow the steps above. If this guide helped, bookmark the tool or share it with someone who needs the same job done quickly.
Related tools
- JSON Formatter & Validator — see also our guide
- XML Formatter & Validator — see also our guide
- SQL Formatter & Beautifier — see also our guide
Ready to try it? Open the free CSV to JSON Converter — no sign-up needed.
Open CSV to JSON Converter →