Introducing kkFileView: An Open‑Source Spring Boot Document Preview Solution
kkFileView is a free, Apache‑licensed Spring Boot project that enables online preview of numerous file types—including office documents, PDFs, CAD files, images, archives, and multimedia—offering RESTful APIs, easy deployment, and extensible interfaces for developers seeking a versatile document viewer.
kkFileView is an open‑source Spring Boot project that provides online preview for a wide range of document types, including office files, PDFs, CAD, images, archives, and multimedia.
Key Features
Supports office, PDF, CAD and many other formats.
Renders plain‑text files such as txt, xml, md, java, php, py, js, css.
Handles compressed archives like zip, rar, jar, tar, gzip.
Provides image preview with rotate, zoom, mirror functions.
Built with Spring Boot for easy deployment.
RESTful API enables cross‑language integration (Java, PHP, Python, Go, …).
Extensible preview interface for custom file types.
Apache‑licensed, free to modify.
Installation & Usage
Clone the repository from GitHub , run the ServerMain class, and access http://localhost:8012/ to verify the service.
Dependencies include Spring Boot, Freemarker, Redisson, JodConverter, optional Redis, and an OpenOffice/LibreOffice installation for document conversion.
Official website, documentation, and online demo links are provided for further reference.
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