cURL to Fetch Converter
Convert common cURL commands into JavaScript fetch() requests directly in your browser.
How to Use
Paste your cURL command into the input editor.
Choose between async/await function syntax or traditional Promise .then() chaining.
Toggle the TypeScript interface option if you are building typed applications.
Copy the generated fetch code or download a runnable .js/.ts script file.
Why Use cURL to Fetch Converter?
Zero Server Transmission
Transforms shell commands purely within client memory without making external network calls.
Async/Await & Promise Styles
Generates modern async/await boilerplate or standard Promise chaining.
Automatic Basic Auth Conversion
Converts -u / --user flags into proper Authorization: Basic base64 headers.
TypeScript Interface Generation
Optionally includes typed return signatures for TypeScript codebases.
About This Tool
The cURL to Fetch Converter translates command-line cURL commands into clean, readable JavaScript and TypeScript fetch() code. It extracts HTTP methods, custom headers, basic authentication, query parameters, and JSON payloads while warning about flags that cannot be represented in browser environments.
Frequently Asked Questions
Related Tools
Similar utilities & calculatorsFetch to cURL Converter
Convert JavaScript fetch() requests to cURL commands online. Parse URLs, methods, headers and request bodies locally in your browser.
File Hash Checker
Calculate and verify MD5, SHA-1, SHA-256 and SHA-512 file hashes locally in your browser. Compare checksums without uploading your files.
HTTP Headers Parser
Parse raw HTTP request and response headers into structured data. Inspect HTTP, security, caching and CORS headers locally in your browser.