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API & Data Formats

cURL → Fetch

Convert cURL commands into clean, multi-language API request code with cURL → Fetch.

Output Result
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Tool Documentation & Architecture

About cURL → Fetch

The cURL to Fetch Converter translates raw cURL command-line requests into native JavaScript/TypeScript Fetch API code, Axios, Python Requests, Node.js HTTP, Go, and PHP cURL snippets instantly.

Step-by-Step Guide

How to Use cURL → Fetch

1

Step 1

Paste your raw cURL command into the input editor.

2

Step 2

Select your target language / library (Fetch, Axios, Python).

3

Step 3

View the converted asynchronous request code.

4

Step 4

Click "Copy Code" to integrate into your application.

Industry Scenarios

Practical Use Cases for cURL → Fetch

API Integration & Documentation Testing

Convert cURL snippets from Stripe, GitHub, or OpenAPI documentation into working JavaScript fetch() or Axios client code.

Browser Network Tab Request Replay

Copy requests from Chrome/Firefox DevTools as cURL and transform them into reusable frontend API utility functions.

Sample Data & Transformation

Input & Output Examples

Converting POST cURL Request to Fetch

Input Sample:
curl -X POST https://api.example.com/users -H "Authorization: Bearer token123" -d '{"name":"Alex"}'
Processed Result:
fetch("https://api.example.com/users", { method: "POST", headers: { "Authorization": "Bearer token123", "Content-Type": "application/json" }, body: JSON.stringify({ name: "Alex" }) });
Technical Capabilities

Key Features & Performance

  • Converts cURL to 6+ languages: JS Fetch, Axios, Python Requests, Go, PHP, and Node.js.
  • Parses HTTP methods (GET, POST, PUT, DELETE, PATCH), custom headers, cookies, and query parameters.
  • Auto-formats JSON payloads with JSON.stringify() syntax.
  • Supports multipart/form-data and application/x-www-form-urlencoded payloads.
  • 100% Client-Side parsing with zero server execution.
  • 1-Click Copy formatted code.
Technical Glossary

Key Terminology & Definitions

cURL

A command-line tool and library for transferring data with URLs using various network protocols including HTTP, HTTPS, FTP, and SCP.

Fetch API

A modern browser-native JavaScript interface for fetching resources asynchronously across the network using Promises.

Frequently Asked Questions (PAA)

cURL → Fetch FAQs

Yes! The parser automatically strips line-continuation backslashes (\) and joins broken lines cleanly.
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