Office documents
Common Office, WPS and LibreOffice documents.
- doc / docx / xls / xlsx / ppt / pptx / csv / tsv
- wps / dps / et / ett / wpt
- odt / ods / odp / ott / fodt / fods
Preview Engine / Demo Portal
Open-source universal file preview
kkFileView provides one preview endpoint for 5 file families and 70+ common formats, including URL and uploaded-file previews.
Capability Map
Preview a wide range of file types
Review the supported formats and decide whether kkFileView fits your application.
CAD and 3D
Models and drawings used in design, manufacturing and engineering.
- dwg / dxf / dwf / dwt / plt / cf2
- obj / 3ds / stl / gltf / glb / fbx / dae
- ifc / step / iges / fcstd / bim / brep
Images
Bitmaps, multi-page images, vectors and modern mobile formats.
- jpg / png / gif / bmp / webp / heic
- tif / tiff / tga / svg / wmf / emf
- 翻转、缩放、镜像等交互能力
Archives and text
Archive browsing, plain text rendering and source highlighting.
- zip / rar / jar / tar / gzip / 7z
- txt / md / xml / java / js / css / py / php
- 支持目录访问、搜索和服务端分页
Media and email
Common media files and email archives, with conversion where needed.
- mp3 / wav / mp4 / flv / avi / mov / mkv
- eml / msg 邮件文件
- epub / ofd / xmind / bpmn / drawio / dcm
Integration features
Frequently used preview and integration controls.
- 支持 AES、Basic Auth、FTP 参数扩展
- 支持页码、高亮、水印、密码与缓存刷新
- 支持本地上传、目录浏览、文件删除
Demo Lab
File URL preview
Preview a direct URL or select a file from the local file directory. Preview parameters and actions are available in one place.
URL 预览
支持目录级访问
服务端分页
搜索与删除
Try a URL
Paste a file URL, optionally set page, highlighting, watermark, AES and proxy options, then verify the preview in a new window.
Local Source