cURL to Fetch Converter
Convert cURL commands into clean JavaScript fetch code with our free cURL to fetch converter. Generate browser-ready API requests instantly. Try it now.
About cURL to Fetch Converter
The cURL to Fetch Converter translates command-line cURL requests into standard JavaScript fetch syntax. It is designed for frontend and full-stack developers who need to quickly implement API endpoints documented with cURL into web applications and scripts.
All conversions run locally in your browser, ensuring that sensitive authorization tokens, request headers, and payloads never touch an external server. Paste your cURL command to generate clean, production-ready JavaScript code with no setup or signup required.
Key features
- Parses headers, query parameters, and HTTP methods automatically
- Supports JSON payloads, form data, and raw body structures
- Runs completely client-side for maximum API key security
- Generates modern JavaScript fetch syntax compatible with async and await
- Translates standard authentication flags and custom authorization headers
- One-click copy to clipboard for immediate implementation
How to use cURL to Fetch Converter
- Paste your cURL command into the input text area.
- Inspect the automatically generated JavaScript fetch code.
- Adjust any optional syntax preferences if prompted.
- Click copy to transfer the fetch code to your clipboard.
Who is it for?
- Frontend developers translating REST API documentation into client-side code.
- Full-stack engineers porting terminal testing commands into Node.js services.
- QA professionals converting network logs from browser devtools into automated tests.
- Technical writers producing JavaScript integration guides from cURL samples.
Frequently asked questions
Does this cURL to fetch converter send my data to a server?
No. The conversion executes entirely in your browser using client-side JavaScript. Your headers, tokens, and payloads are never transmitted to Doffl servers.
Which HTTP methods are supported?
The tool supports all standard HTTP methods including GET, POST, PUT, PATCH, DELETE, and HEAD.
Does the generated fetch code work in Node.js?
Yes. Node.js version 18 and newer provides native support for the global fetch API, meaning the generated code works in both modern browsers and modern Node runtimes.
How does the tool handle authentication flags like -u or -H?
Flags such as -u (user credentials) and custom -H authorization headers are parsed directly into the appropriate headers object inside the fetch configuration.
Is this tool free to use?
Yes. The converter is completely free to use with no account creation or usage caps required.