Curl ↔ Fetch Converter
Convert curl commands to Fetch—and vice versa.
Input
Output
What is Curl ↔ Fetch Converter?
Curl to Fetch Converter translates HTTP requests between common curl commands and browser-style Fetch code. It bridges API documentation and application development by carrying across the method, URL, headers, and supported body data into a form that can be edited for a frontend or Node.js context.
How to use Curl ↔ Fetch Converter
Paste a curl command and convert it into JavaScript Fetch code that can be copied into a frontend or Node.js workflow.
When is Curl ↔ Fetch Converter useful?
Curl ↔ Fetch Converter is useful when translating an API example from documentation into browser-side JavaScript or comparing request formats.
Example
A practical example is converting a curl POST request with an Authorization header into a fetch call.
Practical notes
Review quoting, binary data, redirects, cookies, and authentication after conversion. Browser Fetch is also subject to CORS and credential policies that do not apply to curl, so equivalent request syntax does not guarantee equivalent runtime access.