Terms of Service

Last Updated: December 8, 2025

1. Acceptance of Terms

By accessing, installing, or using Xhancer ("Service", "Extension", "we", "us", or "our"), you agree to be bound by these Terms of Service ("Terms"). If you do not agree to these Terms, please do not use the Service.

2. Service Description

Xhancer is a browser extension that enhances your X/Twitter web experience with the following features:

• Export & Archive: Export comments, favorites, and posts to CSV; export user's complete posts to PDF (Xbook)
• Video Download: Enhanced video download capabilities for all videos on X/Twitter
• @ Mention Enhancement: Save following list locally with pinyin transliteration for Chinese nicknames, enabling better user matching when mentioning
• Drafts Enhancement: Quick access to drafts box from the compose toolbar
• Search Enhancement: Advanced search button, profile search shortcuts, and enhanced search result filtering
• Remark Enhancement: Add custom nicknames, tags with colors, descriptions, and avatars to users
• Friend Impressions: Public comments and reviews visible to other Xhancer users
• Hot Posts Analytics: Track and analyze trending posts with configurable time periods and ranking metrics
• Keyword Subscription: Subscribe to keywords and receive notifications for new relevant content
• Block Management: Enhanced blocking and muting capabilities
• AI Enhancement: AI-assisted replies and post composition
• Dashboard: Statistics, browsing history, data management, and settings

2.1 Free vs. Premium Features

• Free Tier: Basic functionality with limited features
• Premium Tier: Extended limits and advanced features including:
  • Remark up to 1,000 users
  • Up to 50 custom tags
  • Export up to 2,000 records
  • Custom avatar remarks

3. User Accounts and Registration

3.1 Account Creation

To access certain features, you must:

• Create an account with accurate information
• Maintain the security of your account credentials
• Be at least 13 years of age (or 16 in the EEA)
• Provide a valid email address

3.2 Account Authentication

Xhancer supports the following login methods:

• X/Twitter account login (primary)
• Google account login (secondary)

3.3 Account Responsibilities

You are responsible for:

• All activities that occur under your account
• Maintaining the confidentiality of your password
• Notifying us immediately of any unauthorized access
• Ensuring your account information remains accurate and up-to-date

4. Subscription and Payment Terms

4.1 Subscription Plans

• Subscription plans and pricing are displayed on our website
• All fees are in USD unless otherwise stated
• Subscriptions automatically renew unless cancelled

4.2 Payment Processing

• Payments are processed through Stripe or other third-party payment processors
• You authorize us to charge your payment method for all subscription fees
• Failed payments may result in suspension of premium features

4.3 Subscription Renewal and Cancellation

• Subscriptions automatically renew at the end of each billing period
• You may cancel your subscription at any time through your account dashboard
• Cancellation takes effect at the end of the current billing period
• No partial refunds for cancelled subscriptions mid-period

4.4 Price Changes

• We reserve the right to modify subscription prices
• Price changes will be communicated at least 30 days in advance
• Continued use after price changes constitutes acceptance

5. Refund Policy

5.1 Money-Back Guarantee

We offer a 7-day money-back guarantee for first-time purchases:

• Request a full refund within 7 days of your initial purchase
• Valid for any reason, no questions asked
• Only applies to your first subscription purchase

5.2 Refund Process

To request a refund:

1. Contact us at support@xhancer.com within 7 days of purchase
2. Include your order number and account email
3. Refunds will be processed within 5-7 business days
4. Funds will be returned to the original payment method

5.3 Refund Exceptions

The refund policy does NOT apply to:

• Subscription renewals (only initial purchases)
• Requests made after 7 days from purchase date
• Accounts banned for Terms violations
• Fraudulent or disputed transactions
• Multiple refund requests (one refund per customer)

6. Acceptable Use Policy

6.1 Prohibited Activities

You agree NOT to:

• Use the Service for any illegal purposes
• Attempt to circumvent subscription limitations or authentication
• Reverse engineer, decompile, or disassemble the Extension
• Share your account credentials with others
• Use automated scripts or bots to abuse the Service
• Interfere with or disrupt the Service's functionality
• Violate X/Twitter's Terms of Service while using our Extension
• Resell or redistribute the Service without authorization
• Upload or transmit malicious code or viruses
• Use the Service to harass, spam, or abuse other users
• Post false, misleading, or defamatory Friend Impressions
• Engage in any activity that harms other users or the Service

6.2 Enforcement

Violation of these terms may result in:

• Immediate account suspension or termination
• Forfeiture of subscription fees
• Legal action if necessary

7. X/Twitter Platform Integration

7.1 Independent Service

Xhancer enhances your experience on X/Twitter. The X/Twitter platform:

• Is an independent service with its own terms of service
• May have usage limitations, content policies, and API restrictions
• Is responsible for its own service availability and content
• May change or discontinue features at any time

7.2 User Responsibility

You are responsible for:

• Complying with X/Twitter's Terms of Service
• Maintaining a valid X/Twitter account
• Understanding X/Twitter's content policies and limitations
• Any consequences resulting from your use of X/Twitter

7.3 No Affiliation

Xhancer is not affiliated with, endorsed by, or sponsored by X Corp. or Twitter. All product names and trademarks are property of their respective owners.

8. User-Generated Content

8.1 Friend Impressions

When using the Friend Impressions feature:

• Your comments and reviews are public and visible to other Xhancer users
• You retain ownership of your content but grant us a license to display it
• We reserve the right to remove content that violates our policies
• Other users' reviews are displayed based on mutual follows, follower count, and recency

8.2 Remark Data

• Your remarks, tags, and notes are stored locally and in our database
• This data is associated with your account
• You can export and backup your data through the dashboard

9. Data Collection and Hot Posts Analytics

9.1 Hot Posts Feature

When you enable the Hot Posts Analytics feature:

• Posts with over 500 impressions that you view will be recorded to our servers
• This data contributes to our trending posts analysis
• Data is stored in Redis for up to 1 month
• You will be notified when this feature is active

9.2 Data Usage

Collected post data is used to:

• Calculate trending scores based on followers, impressions, comments, retweets, and likes
• Display rankings and analytics in the extension
• Improve our service and user experience

10. Intellectual Property

10.1 Service Ownership

The Service, including but not limited to:

• Software, code, and algorithms
• Design, layout, and user interface
• Logos, branding, and trademarks
• Documentation and content

All are owned by Xhancer and protected by intellectual property laws.

10.2 License Grant

We grant you a limited, non-exclusive, non-transferable, revocable license to:

• Install and use the Extension for personal, non-commercial purposes
• Access our website and services in accordance with these Terms

10.3 User Content

• You retain ownership of any content you create through the Service
• You grant us a limited license to process and display your content solely to provide the Service
• We do not claim ownership of your remarks, tags, or Friend Impressions

11. Privacy and Data Protection

11.1 Data Collection

We collect and process data as described in our Privacy Policy, including:

• Account information (email, name)
• Subscription and payment information
• Usage data and analytics
• Remark and tag data
• Hot posts analytics data (when enabled)

11.2 Local Data Storage

Xhancer stores certain data locally on your device:

• Following list with pinyin transliterations
• User remarks and tags
• Browsing history and statistics
• Extension settings and preferences

11.3 Data Security

We implement reasonable security measures to protect your data, but cannot guarantee absolute security.

11.4 Data Retention

• Account data is retained while your account is active
• Subscription history is retained for legal and accounting purposes
• You may request data deletion by contacting support

12. Service Availability and Modifications

12.1 Service Availability

• We strive for high availability but do not guarantee uninterrupted service
• The Service may be unavailable due to maintenance, updates, or technical issues
• X/Twitter platform availability and API changes are beyond our control

12.2 Service Modifications

We reserve the right to:

• Modify, suspend, or discontinue any aspect of the Service
• Add or remove features
• Change functionality or interface
• Update these Terms at any time

12.3 Notifications

We will provide reasonable notice of material changes through:

• Email notifications to your registered address
• In-app notifications
• Website announcements

13. Disclaimer of Warranties

13.1 "As Is" Service

THE SERVICE IS PROVIDED "AS IS" AND "AS AVAILABLE" WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO:

• Warranties of merchantability or fitness for a particular purpose
• Warranties of accuracy, reliability, or completeness
• Warranties of non-infringement
• Warranties of uninterrupted or error-free operation

13.2 Third-Party Platform Disclaimer

• X/Twitter may change their platform, API, or policies at any time
• We cannot guarantee continued compatibility with X/Twitter
• Features may become unavailable due to third-party changes

13.3 Browser Compatibility

• The Extension may not work with all browsers or browser versions
• Browser updates may affect functionality
• We are not responsible for browser-related issues

14. Limitation of Liability

14.1 Liability Cap

TO THE MAXIMUM EXTENT PERMITTED BY LAW, Xhancer SHALL NOT BE LIABLE FOR:

• Indirect, incidental, special, consequential, or punitive damages
• Loss of profits, data, revenue, or business opportunities
• Damages resulting from X/Twitter platform changes or issues
• Damages exceeding the amount paid by you in the 12 months preceding the claim

14.2 Third-Party Actions

We are not liable for:

• Content, actions, or policies of X/Twitter
• Changes or discontinuation of X/Twitter services or API
• Actions taken by X/Twitter against your account
• Disputes between you and other users

15. Indemnification

You agree to indemnify, defend, and hold harmless Xhancer, its affiliates, officers, directors, employees, and agents from any claims, liabilities, damages, losses, and expenses (including legal fees) arising from:

• Your use of the Service
• Your violation of these Terms
• Your violation of X/Twitter's Terms of Service
• Your violation of third-party rights
• Your violation of applicable laws
• Content you create through the Service (including Friend Impressions)

16. Termination

16.1 Termination by You

You may terminate your account at any time by:

• Cancelling your subscription through the dashboard
• Uninstalling the Extension
• Contacting support to request account deletion

16.2 Termination by Us

We may terminate or suspend your account immediately if:

• You violate these Terms
• You engage in fraudulent or abusive behavior
• Required by law or legal authority
• The Service is discontinued

16.3 Effect of Termination

Upon termination:

• Your access to premium features will cease
• No refunds will be provided (except as specified in Section 5)
• We may delete your account data after a reasonable period
• Sections that should survive termination will remain in effect

17. Dispute Resolution

17.1 Informal Resolution

Before filing a legal claim, you agree to contact us at support@xhancer.com to attempt informal resolution of any dispute.

17.2 Arbitration Agreement

Any disputes arising from these Terms or the Service shall be resolved through binding arbitration, except where prohibited by law.

17.3 Class Action Waiver

You agree to resolve disputes individually and waive the right to participate in class actions or representative proceedings.

18. Miscellaneous

18.1 Governing Law

These Terms shall be governed by and construed in accordance with the laws of the jurisdiction in which Xhancer operates, without regard to conflict of law principles.

18.2 Severability

If any provision of these Terms is found to be invalid or unenforceable, the remaining provisions shall remain in full force and effect.

18.3 Entire Agreement

These Terms, together with our Privacy Policy, constitute the entire agreement between you and Xhancer regarding the Service.

18.4 No Waiver

Our failure to enforce any right or provision of these Terms shall not constitute a waiver of such right or provision.

18.5 Assignment

You may not assign or transfer these Terms or your account. We may assign these Terms without restriction.

18.6 Force Majeure

We shall not be liable for any failure or delay due to circumstances beyond our reasonable control.

19. Contact Information

For questions, concerns, or support regarding these Terms or the Service:

• Email: support@xhancer.com
• Website: https://xhancer.com

20. Changes to Terms

20.1 Modification Rights

We reserve the right to modify these Terms at any time. Changes will be effective upon posting to our website.

20.2 Notification

We will notify users of material changes through:

• Email to your registered address
• Prominent notice on our website
• In-app notification

20.3 Continued Use

Your continued use of the Service after changes are posted constitutes acceptance of the modified Terms. If you do not agree to the changes, you must discontinue use of the Service.

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By using Xhancer, you acknowledge that you have read, understood, and agree to be bound by these Terms of Service.