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Curl to Fetch / Axios Converter

Convert raw curl commands into equivalent JavaScript fetch, Axios, Python, and Go code blocks.

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Convert raw curl commands into equivalent JavaScript fetch, Axios, Python requests, Go HTTP, and Node.js code snippets client-side.

Learn About This Tool

Converting Curl Commands to Application Code

API documentations frequently provide example requests in curl command formats. Manually rewriting these command flags into your application's programming language leads to syntax errors. This converter parses curl request parameters and translates them into ready-to-run code snippets:
# Sample Curl POST request:
curl -X POST https://api.example.com/v1/users \
  -H "Content-Type: application/json" \
  -d '{"name": "Alice Vance"}'
  • Automatically map request headers (-H) and authentication flags
  • Translate request methods (-X POST, PUT) and data payloads (-d)
  • Supports modern JavaScript fetch and Axios structures
  • Converts to Go HTTP, Python requests, and Node.js native HTTP

Handling Payloads and Content Types

When request payloads are defined via data parameters, the parser inspects the payload format. If a JSON string is parsed, the tool formats it as structured objects (which can be pretty-printed using our JSON Formatter) or dictionaries in Python to keep your code clean. If you want type declarations for these payloads, pass the output to our JSON to TypeScript tool.
  • Formats raw payload strings into pretty-printed objects
  • Appends appropriate content-type headers when missing
  • Supports basic authorization conversions (-u username:password)
  • Escapes multiline backslashes correctly for neat alignments

100% Client-Side Sandbox Security

Curl commands often contain sensitive access tokens, private authorization headers, or database keys. This utility parses tokens completely in your local browser sandbox. No data is ever shared with external servers, protecting your secrets.
  • Local browser parsing protects authorization token strings
  • Zero network logs or cookie-tracked inputs
  • Instant translation without server roundtrip latency
  • Compatible with mobile browsers for quick code inspections

How to Use Curl to Fetch / Axios Converter

1

Paste Curl Command

Enter your raw curl command in the left input textarea.

2

Select Output Language

Click on the tabs to select between JS Fetch, Axios, Python, Go, or Node.js outputs.

3

Copy the Result

Copy the autogenerated snippet and paste it directly into your codebase.

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Common questions

What is a Curl command?

Curl (Client URL) is a command-line tool used to transfer data to or from a server using various protocols, commonly used for testing REST APIs.

Which curl flags are supported by this tool?

The parser supports request method (-X or --request), headers (-H or --header), payloads (-d, --data, --data-raw, --data-binary), and basic authentication credentials (-u or --user).

How are basic credentials converted?

The credentials username:password are parsed and encoded into a standard Base64 Authorization header, formatted as 'Basic <base64_encoded_string>'.

Does it parse URLs with parameters?

Yes. The tool extracts query parameters directly from the URL and maps them correctly in the target language code template.

Why did my conversion show an empty URL?

Ensure that the curl command contains a valid URL string starting with http://, https://, or a clear host address. Clean any bad quotes or syntax characters.

Are API headers and tokens safe inside this tool?

Absolutely. All parsing and template constructions run locally in JavaScript in your browser. No data is sent to our servers.

Does this tool support file upload curls using -F or --form?

Currently, this tool parses basic text inputs and JSON payloads. If you paste a curl containing file upload parameters (-F), it will map the headers and URL, but you may need to configure the boundary data parameters manually in the generated code.

Can I convert multiline curl commands?

Yes. The parser automatically detects backslash characters (\) used for multiline splits and merges them into a single coherent command string before tokenizing the parameters.

Are cookie headers (-b or --cookie) converted?

Yes. Cookie parameters passed with the -H or -b flag are parsed and added to the headers map in Axios, Fetch, or Python request snippets.

Why is axios output format structured as a configuration object?

Passing a unified options object to Axios (containing method, url, headers, and data fields) is the cleanest and most scalable syntax for making request calls in production applications.

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