Terms of Service

Last updated: July 2026

1. Usage Permission

All VKT browser extensions are provided for personal learning, reference, and offline local use. By using our extensions, you agree to:

• Use the extensions only for lawful purposes
• Not redistribute, resell, or commercially distribute the extensions
• Not reverse-engineer or modify the extensions for redistribution
• Not use the extensions for mass data crawling or any activity that violates website terms of service

2. Free Core Features

All core functionality of every VKT extension is provided free of charge. No payment is required to use any extension's primary features. Free features include all functionality described in each extension's "Free Features" section.

3. Premium License Rules

Premium licenses (purchased through Creem) are subject to the following terms:

• Licenses are for single-user personal use only
• Sharing, reselling, or distributing license keys is prohibited
• One-Time Lifetime License: permanent access to premium features for one extension at the time of purchase, no expiration, no renewal needed
• Monthly Subscription License: recurring monthly premium access for one extension via Creem. Users may cancel recurring billing at any time within their Creem dashboard. After subscription expires, all premium features lock; free core tools stay functional
• After license expiration, premium features will be locked; free core features remain fully functional
• Premium features are tied to the extension version available at the time of purchase or subscription period
• All premium payments processed exclusively through Creem

4. Refund Policy

We offer a 7-day full refund guarantee on all premium purchases:

• Refund requests must be sent within 7 days of purchase
• Contact: [email protected]
• Include your order ID or the email used for purchase
• Refunds are processed within 2 business days
• Requests made after 7 days from purchase date cannot be processed

5. Disclaimer of Warranty

All extensions are provided "as is" without warranty of any kind, express or implied. We do not guarantee that:

• The extensions will be error-free or uninterrupted
• The extensions will meet all of your requirements
• The extensions will be compatible with all websites or browser versions

The extensions are tools for personal convenience. Users are solely responsible for ensuring their use complies with applicable laws and website terms of service. We are not liable for any damages arising from the use or inability to use the extensions.

6. Intellectual Property

All content on this website, including but not limited to text, graphics, logos, and extensions, is the property of VKT (Developed by AnnMax) and is protected by applicable intellectual property laws.

• Extensions are for personal use only
• Website content may not be reproduced without permission
• Product names, logos, and brands are property of their respective owners

7. Third-Party Content

Some extensions interact with third-party website content. Users acknowledge that:

• Extracted content (images, tables, text) belongs to the original website owner
• Users must comply with the original website's terms of service
• Batch downloading or extracting content may be restricted by the source website
• All legal liabilities from improper use of extracted content rest solely with the user

8. Changes to Terms

We reserve the right to modify these terms at any time. Changes will be posted on this page with an updated "Last updated" date. Continued use of our extensions or website after changes constitutes acceptance of the updated terms.

9. Dispute Resolution

Any disputes arising from the use of our extensions or website shall be resolved through communication with us at [email protected]. We are committed to resolving issues amicably and promptly.

10. Contact Information

For any questions regarding these terms:

Email: [email protected]

11. 3-Day Temporary Premium Trial Terms

11.1 Eligibility: The 3-day full feature trial is a complimentary temporary evaluation service provided solely for individual users to test advanced batch functions before purchase.

11.2 Application Rule: Users must submit an application via the official support email [email protected]. Each individual user is only entitled to one single 3-day trial per extension, repeated applications will not be approved.

11.3 Access Period: Trial license is valid for 3 consecutive days from the date we issue the key. All premium functions will be automatically disabled upon expiration, core free functions remain fully accessible without restriction.

11.4 No Auto-Billing: This trial contains no automatic subscription or hidden charges. No payment information is required to receive trial access.

11.5 Service Delay Disclaimer: Trial keys are issued manually by the developer. We do not guarantee instant replies during periods of high email traffic, users shall accept reasonable waiting time.

11.6 Usage Restriction: Trial access is limited to personal non-commercial testing only. Sharing trial license keys, mass batch scraping and copyright-infringing extraction are prohibited under these Terms.