Generate Postman collection JSON from endpoint descriptions. Create ready-to-import collections with method and path for each endpoint. Everything runs locally in your browser — nothing is uploaded.
Convert OpenAPI specs to Postman collection JSON format. Import directly into Postman. Everything runs locally in your browser — nothing is uploaded.
Query JSON data using dot-notation path expressions with wildcard support. Everything runs locally in your browser — nothing is uploaded.
Wrap JSON data in valid JSON-LD (Linked Data) structure with @context and @type. Generate schema.org-compatible structured data.
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.
Bidirectional YAML to JSON and JSON to YAML conversion with auto-format detection and real-time preview. Perfect for configuration files, API payloads, and data migration.
Postman Collection Generator lets you generate Postman collection JSON from endpoint descriptions. Create ready-to-import collections with method and path for each endpoint. Everything runs locally in your browser — nothing is uploaded.. It works on any device with a modern web browser.
Generate Postman collection JSON from endpoint descriptions. Create ready-to-import collections with method and path for each endpoint. Everything runs locally in your browser — nothing is uploaded. It runs entirely in your browser — no software installation or data uploads required.
Configure your settings below — the output generates instantly.
Yes. After the initial page load, Postman Collection Generator runs entirely on your device with no internet connection needed. All processing is done locally.
Generate Postman collection JSON from endpoint descriptions. Create ready-to-import collections with method and path for each endpoint. 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.
OpenAPI to Postman
Convert OpenAPI specs to Postman collection JSON format. Import directly into Postman. Everything runs locally in your browser — nothing is uploaded.
Postman to OpenAPI Converter
Convert Postman collections to OpenAPI 3.0 specs. Migrate your API documentation. Everything runs locally in your browser — nothing is uploaded.