Convert OpenAPI specs to Postman collection JSON format. Import directly into Postman. Everything runs locally in your browser — nothing is uploaded.
Generate Postman collection JSON from endpoint descriptions. Create ready-to-import collections with method and path for each endpoint.
Convert Postman collections to OpenAPI 3.0 specs. Migrate your API documentation. Everything runs locally in your browser — nothing is uploaded.
Generate Swagger UI / OpenAPI specs from a simple description. Enter title, version, and endpoints to produce a complete spec JSON.
Convert messy CSV or Excel sheets from clients into clean JSON in one batch. Handles missing values, nested rows, and generates strict JSON schemas for 50+ files at once. Everything runs locally in your browser — nothing is uploaded.
Convert Toon format (→ arrows) back into JSON. Reverse of the JSON → Toon converter for round-trip data transformation.
OpenAPI to Postman lets you convert OpenAPI specs to Postman collection JSON format. Import directly into Postman. Everything runs locally in your browser — nothing is uploaded.. It works on any device with a modern web browser.
Convert OpenAPI specs to Postman collection JSON format. Import directly into Postman. Everything runs locally in your browser — nothing is uploaded. It runs entirely in your browser — no software installation or data uploads required.
Paste or type your content directly into the provided text area.
Yes. After the initial page load, OpenAPI to Postman runs entirely on your device with no internet connection needed. All processing is done locally.
Convert OpenAPI specs to Postman collection JSON format. Import directly into Postman. Everything runs locally in your browser — nothing is uploaded. All processing runs locally — no code is sent to any server.
Tools cover JavaScript, CSS, HTML, SQL, Python, JSON, XML, CSV, and more. Check the tool description for specifics.
Yes. Since processing is local, performance depends on your device. Most operations handle large files without issue.
Yes. Formatters use well-known libraries (sql-formatter, Prettier-compatible patterns) and follow widely adopted rules.
Postman Collection Generator
Generate Postman collection JSON from endpoint descriptions. Create ready-to-import collections with method and path for each endpoint.
OpenAPI Validator
Validate OpenAPI/Swagger spec syntax. Check for required fields, missing paths, and structural issues in your API specification.