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cURL to Fetch Converter Icon

cURL to Fetch Converter

Convert cURL commands to fetch() API code.

What is a cURL to Fetch Converter?

A cURL to Fetch converter translates a cURL command — the classic Unix-style HTTP tool used in terminals — into equivalent JavaScript fetch() API code. This is one of the most common developer tasks when copying API calls from documentation, Postman exports, or browser DevTools "Copy as cURL" and adapting them for use in a JavaScript frontend or Node.js backend.

How to Convert cURL to Fetch

1
Paste cURL Command: Paste your cURL command into the left panel. The tool supports multi-line cURL commands with backslash line continuations.
2
Instant Conversion: The equivalent JavaScript fetch() code is generated in real-time as you type, including the method, headers, and body.
3
Copy and Use: Click the Copy button to paste the code directly into your JavaScript project.

What cURL Options are Supported?

This converter handles the most common cURL flags: -X / --request for the HTTP method, -H / --header for custom headers, -d / --data / --data-raw for the request body, and -u / --user for Basic Authentication. The URL is automatically extracted from the command with or without quotes.

100% Private and Client-Side

All conversion runs locally in your browser. Your API keys, bearer tokens, request payloads, and endpoint URLs are never sent to any server. This is critical for converting cURL commands containing sensitive credentials from internal APIs, staging environments, or private microservices.

Frequently Asked Questions

What cURL flags are supported?

The converter handles -X/--request (method), -H/--header (headers), -d/--data/--data-raw (body), and -u/--user (Basic Auth).

Can I paste multi-line cURL commands?

Yes. Multi-line cURL commands with backslash line continuations from browser DevTools are supported.

Is my API token private?

Yes. All conversion happens locally in your browser. No data is ever sent to any server.

Does it support async/await?

Yes. The generated code uses the modern async/await pattern with await fetch() and await response.json().

Can I use this for Node.js fetch?

Yes. The generated Fetch API code works in modern browsers and Node.js 18+ (which has built-in fetch).