CSV to JSON Converter
Free CSV to JSON converter. Runs 100% in your browser, no upload, no signup.
100% runs in your browser — no upload, no trackingHow to use
Paste your source text into the box, set the indent, and click Convert. The result appears instantly and you can copy it with one click.
Example
csv:
name: dev
type: tool
json:
{
"name": "dev",
"type": "tool"
}
FAQ
Is my data uploaded to a server?
No. Every tool runs entirely in your browser. Your input never leaves your device.
Is this tool free?
Yes, all DevToolbox tools are free to use with no account required.
Does it work on mobile?
Yes, the interface is mobile-friendly and responsive.
How accurate is the conversion?
We use standard, well-tested algorithms (Web Crypto, Intl, DOMParser). Results match common reference tools.