Question 1

What is a .KUX file?

Accepted Answer

A .KUX file is a YouKu KUX format used in the video category. You can view the full technical details on this page, or convert it to another format using the tool above.

Question 2

How do I convert a .KUX file online for free?

Accepted Answer

Select a target format from the list on this page (e.g. MP4, MKV, MP3), configure any settings, then click Start Conversion. No software to install, no account required for files up to 20 MB.

Question 3

What formats can I convert .KUX to?

Accepted Answer

You can convert .KUX to 3 formats including MP4, MKV, MP3.

Question 4

Is the .KUX converter free?

Accepted Answer

Yes, completely free for files up to 20 MB. No account or credit card needed. Sign up free to convert files up to 5 GB.

Question 5

Is my .KUX file kept private?

Accepted Answer

Yes. Files are uploaded over an encrypted connection and permanently deleted from our servers immediately after you download the result. We never read, store, or share your files.

Question 6

Can I convert multiple .KUX files at once?

Accepted Answer

Yes. Batch conversion is supported — upload up to 10 files at once on the free plan, or up to 100 files with a paid plan.

KUX File Converter — Convert .KUX to MP4, MKV, MP3 & More

YouKu KUX

Convert KUX to (3 formats)

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What is a .KUX file?

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