curl to fetch Converter

What is curl to fetch Converter

Last reviewed: April 18, 2026

JavaScript is the programming language of the web, running in every modern browser and powering most interactive frontends and Node.js backends.

curl to fetch Converter parses a curl command and rewrites it as an async / await fetch() call with the same URL, method, headers, body, and basic-auth encoding.

It's the fastest way to port API snippets from documentation, Postman exports, or shell scripts into browser or Node.js JavaScript.

Why use it

• Port API examples from docs into JavaScript.
• Convert Postman exports to fetch() quickly.
• Standardise tests that currently shell out to curl.
• Teach fetch() syntax with a familiar curl starting point.
• Turn ad-hoc debugging commands into production code.

Features

• Parses -X, -H, -d, -u, --url
• async / await fetch() output
• Basic-auth → Authorization header
• All curl to fetch Converter work stays on your device
• Handles multi-line curl with \ continuations

How to use curl to fetch Converter

1. Paste curl. Drop your curl command (multi-line is OK).
2. Click Run. The tool generates an async fetch() snippet.
3. Copy to IDE. Paste into your JavaScript or TypeScript project.

Example (before/after)

curl -X POST https://api.example.com/users \
  -H "Authorization: Bearer abc" \
  -H "Content-Type: application/json" \
  -d '{"name":"Ada"}'

const response = await fetch("https://api.example.com/users", {
  method: "POST",
  headers: {
    "Authorization": "Bearer abc",
    "Content-Type": "application/json"
  },
  body: "{\"name\":\"Ada\"}"
});

if (!response.ok) {
  throw new Error(`Request failed: ${response.status}`);
}

const data = await response.json();
console.log(data);

Common errors

FAQ

Related tools

Pair with the curl-to-Node.js converter and API-focused tools. You can also browse the full Generators category for more options.