API testing

cURL ↔ fetch / axios / Python

Paste any curl command, get runnable code in your language.

Install for Chrome →All features

HTTP tab → Import from cURL · or Copy as ▾ · 7-day free trial · Premium $9.99 / yr

Try it now·runs locally · nothing uploaded

cURL command

JavaScript fetch / Python requests

const headers = new Headers();
headers.set("Authorization", "Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9...");
headers.set("Content-Type", "application/json");

const response = await fetch("https://api.example.com/users", {
  method: "POST",
  headers,
  body: JSON.stringify({"name":"Alice","email":"alice@example.com"}),
});

console.log(response.status, await response.text());

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★ Flagship

Playground

↗

JS / TS scratchpad — sandboxed and instrumented.

Paste real code, hit Run. Console + network monitor + watch expressions all in one panel.

·Real ES modules · top-level await
·URL imports — esm.sh & friends
·Live fetch monitor (every call)
·Watch expressions in your scope
·10s sandbox timeout · zero CORS pain

HTTP client

↗

Postman-style request runner.

Save collections, share variables, hit any API. Includes GraphQL with introspection, OpenAPI / cURL import.

·Bearer / Basic / API-key auth
·GraphQL · introspection
·OpenAPI 3.x · cURL import
·Copy as fetch / axios / Python

Realtime (WS + SSE)

↗

Stream-protocol tester — what Postman doesn’t do well.

WebSocket + Server-Sent Events with custom auth headers, auto-reconnect, JSON pretty-print.

·wss:// + ws:// + subprotocols
·SSE via fetch — Authorization works
·Auto-reconnect with backoff
·Send composer · ⌘ + Enter

What it does

cURL is the lingua franca of API documentation. AI tools, vendor docs, and Stack Overflow answers all use it. Translating to your actual language by hand is slow.

VibeGear parses any curl command (including multi-line with backslashes) into a proper request. You can edit it like any other, then Copy as ▾ to your target: cURL, fetch, axios, or Python requests.

Why use VibeGear's curl ↔ fetch / axios / python

✓Recognizes -X, -H, -d/--data, -u, --url, -G, -A, -e, -b — the realistic 90%
✓Multi-line curl commands work
✓Bearer tokens auto-extracted into the Auth tab
✓Round-trip: any request can be re-exported to cURL

How to use it

1HTTP tab → "Import from cURL".
2Paste your curl command, hit Import.
3Edit if needed; Copy as ▾ for your target language.

Related tools

HTTP client

Premium

Test any API — methods, headers, auth, body, all in one tab.

GraphQL client

Premium

Run GraphQL queries with variables and one-click schema introspection.

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One install. Every tool above.

7 days free, then VibeGear Premium is $9.99 / €9.99 per year. Everything runs locally.

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