b2KIT

cURL to Code Converter

Convert cURL commands to fetch, axios, requests, or other HTTP libraries in 15+ languages.

Tested tool guide Tested browser tools Checked August 16, 2026

What cURL to Code Converter does and how it behaves

Paste a cURL command to restate its HTTP request as source code for browser fetch, Axios, Python Requests, or another supported target. The conversion carries request details such as the URL, method, headers, and body into the conventions of the selected language or library. It is intended for moving a known command-line request into application code. A frequent misunderstanding is that the result is only code that can make the request; it is not the server's response. Conversion occurs in the browser, so the command is not uploaded.

How the result is produced

1

Reading the cURL request

The converter treats the pasted command as a description of an HTTP request. Recognized cURL arguments can contribute the destination URL, request method, headers, authentication values, query data, and request body. Quoting matters because spaces, ampersands, JSON quotes, and other shell-sensitive characters must remain part of the correct argument rather than being split into separate tokens.

2

Expressing the target client

The resulting snippet represents those request elements using the selected client's request shape. A fetch result may use an options object, while Axios or Python Requests uses its own method calls and parameter names. This is a semantic conversion, not a word-for-word rewrite: cURL flags disappear when their meaning is represented by target-language syntax, and unsupported command-line behavior may have no direct counterpart.

Good uses

  • Convert a request copied from browser developer tools as cURL into fetch or Axios code for a web application.
  • Turn a tested cURL POST containing JSON headers and data into Python Requests code for a script or integration.
  • Compare how the same HTTP request is represented across several supported languages before choosing a client library.

Limits and checks

  • Inspect shell expressions before relying on the result. Environment variables, command substitutions, aliases, pipelines, and redirections belong to the shell surrounding cURL and may not become equivalent application code.
  • Review file-based arguments such as request bodies or uploads referenced with an at-sign. A converter cannot infer file contents, paths available at runtime, or the file-handling behavior required by the destination application.
  • Check cURL-specific controls including redirects, retries, proxies, cookie jars, certificates, compression, and connection options. Target libraries expose different capabilities and defaults, so a syntactically valid snippet is not proof of identical network behavior.

Common questions

Can I paste a command produced by a browser's Copy as cURL feature?

Yes, when the copied text is a valid cURL command that uses options recognized by the converter. Examine the generated snippet before keeping it: browser-generated commands often contain temporary cookies, authorization headers, user-agent details, and other headers that an application should omit or obtain dynamically. Local conversion prevents upload by this tool, but the generated source can still expose those values if saved or shared.

Will the generated code always send exactly the same request as cURL?

No. The central HTTP fields can be equivalent while defaults differ between cURL and the target client. Redirect handling, cookie persistence, header generation, URL encoding, TLS configuration, streaming, multipart boundaries, and automatic decompression can change observable behavior. Treat the output as a starting representation, then verify it against the receiving service and the destination library's documentation.

References and verification

The behavioral notes were checked against the browser implementation. Standards and primary references below define the relevant format, formula, or platform behavior.

Related Tools