Curl to Fetch Converter
Convert curl commands into JavaScript fetch() code.
What this tool does
Convert curl commands into JavaScript fetch() snippets to speed up API debugging and frontend integration work.
Tool interface
Input
Output
Example input
curl https://api.example.com
Example output
fetch("https://api.example.com");Step-by-step instructions
- Paste a curl command, including URL and optional flags.
- Click Transform to generate fetch() output.
- Copy the JavaScript snippet into your code or test scripts.
Common use cases
- Converting curl data into fetch format for downstream tools.
- Preparing transformed data for imports, reporting, or API workflows.
- Reducing manual reformatting work between systems with incompatible formats.
Useful when API docs provide curl examples but your app code requires fetch syntax.
Common mistakes to avoid
- Pasting commands that do not start with `curl`.
- Expecting shell-specific substitutions to be resolved automatically.
- Assuming every advanced curl option maps directly to fetch.
Frequently Asked Questions
Does Curl to Fetch support headers?
Yes. `-H` / `--header` values are converted into fetch headers.
What happens with `-d` data flags?
Data is mapped to `body`, and method defaults to POST if needed.
Can it convert every curl feature?
No. It covers common request options for practical conversion.
What input format does Curl to Fetch Converter expect?
Use the format shown in the example input on this page.
What does Curl to Fetch Converter output?
It returns transformed output you can copy or download as `fetch-snippet.js`.
Why might Curl to Fetch Converter return an error?
A common issue is: Pasting commands that do not start with `curl`.
Does Curl to Fetch Converter run in the browser?
Yes. Transformations are designed for in-browser usage so you can test and iterate quickly.
Can I copy or download results from Curl to Fetch Converter?
Yes. You can copy the result or use the download action when file output is available.
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