Previewfile

PreviewFile.dev is a secure file preview API that supports 110+ file formats with advanced protection features. Upload files and generate secure preview links with password protection, custom watermarks, configurable expiration (1 hour to 7 days), download prevention, and one-time access links. Perfect for legal teams sharing confidential documents, SaaS applications needing protected file previews, contractors requiring temporary access, and any workflow demanding secure document review. Client-side rendering ensures maximum security, while OpenAPI documentation makes integration effortless.