How to use the cURL to JavaScript
- Paste your cURL command into the input box.
- The output updates automatically as you type.
- Copy the JavaScript or download it as a file.
How it works
Supports -X, -H, -d / --data-raw / --data-binary, --data-urlencode, --json, -u, -F, -A, -b, -G and multi-line commands with backslash continuations.
Private by design
Developer data is often sensitive: API responses, tokens, customer records, internal configs. This cURL to JavaScript processes everything locally in your browser tab. There is no server round-trip, no logging and no storage of your input.
Frequently asked questions
Is this cURL to JavaScript free?
Yes. This cURL to JavaScript is completely free to use with no sign-up, no limits and no ads inside the tool.
Is my data uploaded to a server?
No. The cURL to JavaScript runs entirely in your browser using JavaScript. Nothing you paste is sent to DevT Pro or any other server.
Which cURL options are supported?
Supports -X, -H, -d / --data-raw / --data-binary, --data-urlencode, --json, -u, -F, -A, -b, -G and multi-line commands with backslash continuations.
Can I use the cURL to JavaScript offline?
Yes. cURL to JavaScript is also built into DevT Pro, a native app for Mac, Windows, iPad and Linux with 120+ developer tools that work fully offline. It is a $5.99 one-time purchase with no subscription.