If you have any questions about Software, function, operation, technology, industry standard, bug, etc. Please feel free to contact us. You can click the left button to send email to us, or copy the email address: support@videoconverterfactory.com. We promise to our customers that we will deal with emails within 24 hours after receiving them (including weekends and statutory holidays). But usually we deal with emails faster.

We recommend that you check the FAQs below before sending an email. About 80% of the questions can be answered in the list.

Online video download

Why is the video downloader not working?

1, Network connection issue
1. Sometimes, you may solve it by re-analyzing the URL a couple of times.
2. The problem could be caused by a DNS resolver cache.
... 2, Encryption algorithm changed
Another cause is that the online video site (like YouTube) has changed the algorithm.
3, Non-public video
The online video downloader works for downloading videos from popular UGC sites such as YouTube, Facebook... Learn more


  • "Check for Update" not working sometimes
  • It's working only when there is a major update.
    Please check our update logs to see if there is an update available and what's new. You can also download the installer of new version, then install it manually.

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    Since 2009

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