API Collection Converter

Converts API request definitions between Postman, Insomnia, Bruno, OpenAPI/Swagger, cURL, and Fetch formats without sending the input to an API endpoint.

Runs locally in your browser

Parsing and analysis run entirely in your browser. No data is uploaded or sent to an API.

Input format

Output format

Choose a local file

The converter reads copied text or a selected local file. It never calls an API endpoint or imports a collection remotely.

Conversion summary

Requests found

Name	Method	URL	Headers
Paste a collection or request to see its local conversion preview.

Output format

Move API requests between common developer formats

Review the generated output before committing it. Authentication values are preserved only in this browser tab and should be replaced with safe variables before sharing.