Click the "Select File" button above, and choose your KUX file.
You'll see a preview.
Click the "Convert file to..." button to save your file in the format you want.
Convert KUX to another file type
The converter easily converts your KUX videos to various formats - free and online. No Youku or or other Video software needed.
KUX to MP4
KUX to AVI
KUX to MOV
KUX to WMV
KUX to FLV
KUX to WEBM
KUX to MKV
KUX to M4V
KUX to 3GP
KUX to OGV
KUX to ASF
KUX to RM
Convert a file to KUX
To convert other file formats to the "Youku Encrypted Video" file type, you need software like Youku or a similar tool.
About KUX files
A .KUX file is a proprietary video container format utilized by Youku, one of China's largest online video streaming platforms. When users download videos for offline viewing using the official Youku desktop client, the media is saved with the .kux extension.
The primary issue with KUX files is their severe vendor lock-in. Engineered as a DRM (Digital Rights Management) wrapper, KUX is essentially a heavily modified Flash Video (FLV) format with a unique header. This prevents the file from being read by standard media players or operating systems. You cannot open a KUX file in VLC, nor can you import it into video editors like Adobe Premiere Pro. Users are normally forced to use the bloated Youku PC client just to watch their downloaded content.
To regain control of your media, conversion is mandatory. For universal playback across smartphones, smart TVs, and web browsers, convert KUX to MP4. If you need to preserve the highest quality or archive the footage, convert to MKV. Drag and drop your KUX file here to analyze and convert it into a standard format - free, online, and without installing complex command-line tools.
Use Convert.Guru to open and convert your KUX file.
If you want to convert KUX file to , you can use Youku or similar software from the "Proprietary Video Container" category. In the File menu, look for Save As… or Export….
To convert MTS, MOV, RMVB, DIVX, RM, H264, TS, WMV, VOB, MP4, XVID or AVI files to KUX, try Youku or another comparable tool in the "Proprietary Video Container" category.
The KUX Converter Story
The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our KUX converter.