Curl Converter | How to use and interpret results
Turn the URL, method, headers and body of a copied cURL command into a fetch draft. The converter produces text so you can review it before making a request.
- Runs in your browser
- Nothing is uploaded
- No signup; device limits apply
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How to use this tool
Paste a command using supported options such as -X, -H and -d. Prefer test credentials and inspect complex shell expansion or file-upload options carefully in the output.
Results and examples
curl https://example.com produces a GET fetch draft. A -d body defaults to POST, but a network request occurs only when the generated code is executed.
Worked example
curl https://example.com produces a GET fetch draft. A -d body defaults to POST, but a network request occurs only when the generated code is executed.
Limitations
- This is not a complete cURL or shell parser.
- Browser CORS and forbidden-header policies can make fetch behave differently from cURL.
Fields
| Field | Guidance and constraints |
|---|---|
| cURL command | Check the unit and format displayed beside this field. |
| JavaScript fetch | Check the unit and format displayed beside this field. |
Data handling
Processing stays in the current browser tab; the site does not upload tool input for the calculation itself.
Sources
Frequently asked questions
Does conversion send the request?
curl https://example.com produces a GET fetch draft. A -d body defaults to POST, but a network request occurs only when the generated code is executed.
Why can the generated fetch fail when cURL works?
This is not a complete cURL or shell parser. Browser CORS and forbidden-header policies can make fetch behave differently from cURL.
