Frequently Asked Questions

Start Using
VQ Analyzer - a professional bitstream analysis tool for VVC, AV1, VP9, HEVC/H.265, AVC/H.264 and MPEG2 video codecs



If I lost my license key. Where can I find it

Things happen. Send us a email, we will provide all details.

I have got a Key. What to do next

A Key supposed only for Locked license. After VQ Analyzer installation, Simple go to Help-->Activate menu. Chose "License Key" radio button, enter received Key and push "Activate" button. Make sure you are online. If you succeed in activation you will see green "activated" status at the top the dialog window.

I have got Floating license credentials. What to do next

An IP address and port supposed only for Flex license. Make sure you are online. After VQ Analyzer installation, simple go to Help-->Activate menu. Choose "Floating license" radio button, enter received IP and port and push "Activate" button. License Key will be needed only for subscription cancelation. If you succeed in activation you will see green "activated" status at the top the dialog window.

I have got Error during activation a Locked Key on my Windows 10 Pro

Locked Key is not allowed to be activated on a Virtual Machine. Windows Pro may have enabled hypervisor function by default. If you want to keep it enabled than your choice is a Flex plan. You can disable hypervisor by command bcdedit /set hypervisorlaunchtype off, and after reboot your Locked Key will be ready to be activated.

If I want to reinstall locked analyzer

Locked license is supposed for a computer you initially activated with. There is a limited number of reinstalls, usually you can do it at least once. Send us a email, we will do our best to help. With Flex plans you will avoid such troubles.

Account & plans

May I get Multiple subscriptions for a single account

Yes, you can do it. You may use the same email and payment method to subscribe multiple times.

How can I cancel my subscription

You can cancel your subscription at any time by entering your License Key at, you have to be online and License Manager web server has to be reachable for the action. Portal will ask no questions, your further Subscription will be cancelled immediately but License Key will be valid until end of prepaid period. You will get a email from us to confirm your cancellation. Make sure that you understand our Refund policy before cancelation.

If I want a long term contract

VQ Analyzer Subscription is a pay-as-you-go service. You simply pay month-to-month. If you cancel, you'll be billed for the current month, but you won't be billed again. If you are looking for long term contracts you may want VQ Analyzer product, then shot us an email

What is the difference between Locked and Flex plans

There is feature difference such as command line support in Flex plan. With Flex plan you can install multiple Analyzer on different computers in different locations, including virtual machines (Locked prohibits VM). Flex Analyzer can be installed on your Win Desktop, MacBook or you Linux server (while Locked is intended only for Windows OS). You may connect from one of them at the moment.

What about AV1 and VVC

Yes, we do have it, ask for details.


I am a student/university professor

We have got special rates for you, send us a email to for more detail.

How Can I Use A Coupon/Promocode

You can apply your coupon at checkout page. You will see a new price before placing the order. Make sure that coupon name is case sensitive.

Payment methods

We accept all major credit and debit cards: Visa, American Express, MasterCard, Discover, and JCB. We do not accept PayPal. If you need to pay by other means, then shot us an email


How the 3-day free trial works

If you cancel a paying plan within 3 days of signing up you won't be charged a thing. If you do choose to cancel your account in the future you will never be charged again, but you are responsible for charges already incurred up until your cancellation. Refunds cannot be issued after your initial 3 days trial and we don't prorate for partial months.

Do I get a 3-day free trial if I upgrade?

If you change a plan you are not eligible for additional 3-day free trial. The 3-day free trial on a plans only applies if you sign up for a paying plan now. You can always downgrade later if you choose.