cURL to TypeScript Converter (fetch)

Paste a cURL command from API docs or your browser's network tab and get equivalent TypeScript code using fetch. Your tokens and URLs stay in your browser.

Free No sign-up Runs in your browser
Input cURL
Output TypeScript

How to use the cURL to TypeScript

  1. Paste your cURL command into the input box.
  2. The output updates automatically as you type.
  3. Copy the TypeScript or download it as a file.

How it works

Supports -X, -H, -d / --data-raw / --data-binary, --data-urlencode, --json, -u, -F, -A, -b, -G and multi-line commands with backslash continuations.

Private by design

Developer data is often sensitive: API responses, tokens, customer records, internal configs. This cURL to TypeScript processes everything locally in your browser tab. There is no server round-trip, no logging and no storage of your input.

Frequently asked questions

Is this cURL to TypeScript free?

Yes. This cURL to TypeScript is completely free to use with no sign-up, no limits and no ads inside the tool.

Is my data uploaded to a server?

No. The cURL to TypeScript runs entirely in your browser using JavaScript. Nothing you paste is sent to DevT Pro or any other server.

Which cURL options are supported?

Supports -X, -H, -d / --data-raw / --data-binary, --data-urlencode, --json, -u, -F, -A, -b, -G and multi-line commands with backslash continuations.

Can I use the cURL to TypeScript offline?

Yes. cURL to TypeScript is also built into DevT Pro, a native app for Mac, Windows, iPad and Linux with 120+ developer tools that work fully offline. It is a $5.99 one-time purchase with no subscription.

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DevT Pro

cURL to TypeScript, offline, plus 120+ developer tools.

Converters, formatters, encoders, validators, code generators and more in one native app. No internet, no account, no uploads.

$5.99 one-time · All 120+ tools · No subscription