Fetch to cURL Converter

Turn Fetch code into cURL — without inventing behavior.

Statically parse Browser or Node Fetch, recover Request/Headers/FormData/URLSearchParams where possible, protect secrets, and show exactly which Fetch semantics cURL can or cannot reproduce.

🔒 Static local analysis · your JavaScript is never executed

Fetch / Request code

Runtime: auto-detect

Upload .js/.ts

Drop JavaScript/TypeScript here. Source is parsed, never executed.Waiting for input

Source runtimecURL shellStyle

Detected requestBase URL for relative FetchFormatting

Reveal literal secretsPreserve Fetch auto Content-TypeMatch actual browser restrictions

Fetch and cURL have different client semantics. The converter prefers an honest warning over silently fabricating an equivalent.

Ready

Translation fidelity

Paste Fetch code to begin.

auto

# Paste Fetch code to begin.

Runtime—

Requests found0

Method—

Body—

{}

Local parser readyOneFreePlace · Built by people, for people.