Fetch to cURL Converter
Convert JavaScript fetch() requests into ready-to-use cURL commands directly in your browser. Parse methods, URLs, headers, query parameters, request bodies and common fetch options without sending your request data to a server.
How to Use
Paste your JavaScript fetch() snippet into the input editor.
Select your preferred command shell format: Bash/Linux/macOS, PowerShell, or Windows Command Prompt.
Toggle multiline formatting or sensitive header masking (e.g. Bearer tokens) as needed.
Click Copy cURL or Save to download the runnable shell script.
Why Use Fetch to cURL Converter?
Zero Server Transmission
Runs entirely in your local browser sandbox. Sensitive authorization headers, cookies, and payloads never touch our servers.
Multi-Shell Generation
Generates properly escaped commands for Bash, PowerShell, and Windows Command Prompt.
JSON & String Body Parsing
Intelligently parses JSON.stringify() arguments and URLSearchParams into accurate cURL flags.
Safe Syntax Parsing
Uses lexical parsing without eval() or code execution, ensuring malicious snippets cannot compromise your browser.
About This Tool
The Fetch to cURL Converter transforms modern JavaScript window.fetch() calls into equivalent command-line cURL syntax. It parses standard HTTP methods, custom headers, query strings, and JSON or raw string request bodies safely without executing client code or sending requests over the network.
Frequently Asked Questions
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