How does it work?
- Type or paste your data.
- The result appears instantly.
- Copy or download the result.
Why use CSV to JSON?
- ✓ 100% free, no limits, no watermark
- ✓ No sign-up, no install
- 🔒 Files processed locally: full privacy
- 📱 Works on desktop, tablet and mobile
Frequently asked questions
My Excel CSV uses semicolons. Is that supported?
Yes, choose “; (semicolon)”.
Will accents show correctly in Excel?
Yes, the downloaded CSV includes UTF-8 encoding that Excel recognizes.
Is data uploaded?
No, conversion happens in your browser.
Do numbers stay numbers?
Yes, numeric values are detected automatically.
Is this tool really free?
Yes, 100% free, with no sign-up, no watermark and no usage limit.
Are my files safe?
Yes. Processing happens directly in your browser: your files are never uploaded to a server or stored.