cURL to Code Converter - Instant Multi-Language API Request Generator

cURL is the standard command-line utility for transferring data using network protocols. When debugging APIs or replicating browser requests via DevTools ("Copy as cURL"), developers frequently obtain raw cURL commands that need to be translated into executable application code. Manually mapping headers, query strings, cookies, auth tokens, and JSON payloads into programming languages like JavaScript, Python, Go, or Rust is tedious and error-prone. Our converter automates this process instantly and cleanly in your browser.

• **Smart DevTools Noise Cleaner**: Automatically filters out unnecessary browser-tracking and pseudo headers (`sec-ch-ua`, `sec-fetch-*`, `priority`, `dnt`, `accept-language`) copied from Chrome, Edge, Safari, or Firefox, leaving only essential business and authentication headers.
• **Multi-Language Code Generation**: Supports modern JavaScript (Fetch API, Axios), Python (Requests, HTTPX async/sync), Go (`net/http`), C# .NET (`HttpClient`), Java (`java.net.http`, OkHttp), PHP (`curl_init`, Guzzle), Rust (`reqwest`), and Dart (`http`).
• **Automated Unit Test Generator**: Generates mock unit test suites for Vitest, Jest, and Pytest with simulated network responses to accelerate test-driven development.
• **Interactive Formatter & Syntax Highlighting**: View, format, and edit generated code with full syntax highlighting powered by Monaco Editor.
• **One-Click Rate Limit Testing**: Seamlessly transfer parsed cURL request configurations directly into the Utilbox Rate Limit Checker to stress-test rate limiting thresholds.
• **100% Client-Side Privacy**: All parsing, header filtering, and code generation take place entirely in your browser. Sensitive Bearer tokens, passwords, and private API keys are never transmitted to any external server.

• 1. **Copy Your cURL Command**: From your terminal, API documentation, Postman, or your browser DevTools Network tab (Right click request -> Copy -> Copy as cURL).
• 2. **Paste into Converter**: Paste the command into the input editor. The parser will immediately analyze the URL, HTTP method, headers, auth, and request body.
• 3. **Select Your Target Language**: Choose your desired programming language and client library from the dropdown or target selector.
• 4. **Toggle Preferences**: Enable or disable "Strip Browser Headers", "Use async/await", or "Format JSON Body" to customize the generated code structure.
• 5. **Copy or Export**: Click "Copy Code" to copy to your clipboard, or click "Download File" to save the complete runnable source file directly to your disk.

• **JavaScript / TypeScript**: Native Fetch API (modern browsers & Node.js 18+) and Axios HTTP client with async/await error handling.
• **Python**: Python Requests (`requests.post/get`) and HTTPX (`httpx.Client` & async `httpx.AsyncClient`).
• **Go**: Production-ready `net/http` with context support (`context.Background()`), `bytes.Buffer` request body, and resource cleanup (`defer resp.Body.Close()`).
• **C# .NET**: Modern `HttpClient` with `HttpRequestMessage`, `StringContent`, and async task execution.
• **Java**: Native Java 11+ `java.net.http.HttpClient` with `HttpRequest.BodyPublishers` as well as Square OkHttp client.
• **PHP**: Native `curl_setopt_array()` with full error inspection and GuzzleHttp client.
• **Rust**: Asynchronous `reqwest` client with `tokio` runtime and header mapping.
• **Dart / Flutter**: Clean Dart `http` package requests ready to drop into Flutter mobile and web apps.