b2KIT

cURL to Code Converter

Convert cURL commands to equivalent code in Python, JavaScript, Go, PHP, Ruby, and other languages.

Tested tool guide Tested browser tools Checked August 16, 2026

What cURL to Code Converter does and how it behaves

Start with a request expressed as a cURL command, including its URL, method, headers, body, and supported authentication options. The converter rewrites those request elements as source code for a selected target such as Python, JavaScript, Go, PHP, or Ruby. It generates request-building code rather than calling the endpoint or displaying a response. The common surprise is that equivalent request code does not reproduce every cURL or shell behavior, so redirects, cookies, retries, file handling, and environment-dependent values may still require attention.

How the result is produced

1

Reading the cURL command

The pasted text supplies the request through cURL arguments. Options such as -X or --request, -H or --header, -d or --data, authentication settings, and form fields describe separate request elements. Only recognized request syntax can be translated. Pipelines, output redirection, variable expansion, and command substitution belong to the surrounding shell rather than to the HTTP request itself.

2

Writing the selected language

The result expresses the identified URL, method, headers, credentials, and payload using constructs appropriate to the selected language. Equivalent snippets can therefore have different structures even when they describe the same request. Shell quoting is replaced by target-language string syntax, but generated literals still need review when the original command contains quotes, escape sequences, variables, or structured data such as JSON.

Good uses

  • Turn a cURL example from API documentation into a starting request for a Python, JavaScript, Go, PHP, or Ruby application.
  • Port a small command-line integration into application code while preserving its explicit method, headers, authentication values, and request body.
  • Create comparable request snippets in several languages when documenting an endpoint or helping developers reproduce the same API call.

Limits and checks

  • Do not assume every cURL flag appears in the result. Options controlling retries, progress display, output files, tracing, connection timing, or other command-line behavior may have no direct counterpart in the generated request snippet.
  • Values produced by the shell are not self-contained. Environment variables, command substitutions, wildcards, and references such as @payload.json depend on local state. Replace them with real target-language values or explicit file-reading code before running the result.
  • Authorization headers, cookies, API keys, and user credentials in the command can become literal values in the generated source. Although conversion occurs in the browser, copying the result into source control, logs, tickets, or chat can still expose those secrets.

Common questions

Will the generated program behave exactly like the original cURL command?

Not necessarily. The core URL, method, headers, and body can represent the same intended request, while runtime defaults may differ. Redirect following, proxy use, certificate handling, cookie persistence, decompression, timeouts, and error reporting vary between cURL and language-specific HTTP facilities. Test the generated snippet in its actual runtime before treating it as an exact replacement.

Does the converter call the URL or validate the server response?

No. Its result is source code representing the request described by the cURL command. It does not establish that the endpoint exists, the credentials are accepted, the payload matches the server schema, or the generated program handles the response correctly. Response parsing, status checks, retries, and application-specific error handling remain part of the surrounding program.

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