# Get preview file **GET /pictures/originals/preview-files/{instance_id}.{extension}** Download a generic file preview by extension. ## Servers - http://api.example.com: http://api.example.com () ## Authentication methods - Jwt authorization ## Parameters #### Path parameters - **instance_id** (string(uuid)) Preview file unique identifier - **extension** (string) File extension ## Responses ### 200: Generic file preview downloaded #### Body Parameters: application/octet-stream (string(binary)) string(binary) [Powered by Bump.sh](https://bump.sh)