Privacy Policy

SquareX AI Limited (“we,” “our,” or “us”) operates humanchecker.ai and provides AI text humanization, paraphrasing, and writing assistance (the “Services”). By using our Services, you agree to this Privacy Policy.

• Account: Name, email, and profile picture via Google OAuth.
• Usage: Text submitted, word counts, credit usage, and timestamps.
• Technical: IP address, browser type, OS, and pages visited.
• Payments: Handled by Airwallex. We never store your card details.
• Support: Any messages or attachments you send us.

• Provide, operate, and improve our Services
• Manage your account and credit balance
• Send transactional and promotional communications
• Detect and prevent fraud and abuse
• Comply with legal obligations

We do not sell your personal information. We only share it with:

• Service providers: Infrastructure and payment partners bound by confidentiality.
• AI processing: Text is sent to our processing service to perform the transformation. We may use aggregated, anonymized data to improve our models, but your content is never shared with third parties for their own training purposes.
• Legal requirements: When required by law, court order, or to protect rights and safety.
• Business transfers: In a merger or acquisition, with prior notice to you.

We use cookies to keep you logged in, remember your preferences, and analyze usage. You can disable cookies in your browser settings, though some features may stop working.

We keep your data while your account is active. If you delete your account, we remove or anonymize your data within 30 days, except where required by law.

You can access or update your account info anytime in settings. To delete your account, exercise any privacy rights, or opt out of marketing emails, contact us at support@squarexai.com. We will respond to all requests within 30 days. Transactional emails (billing, security) cannot be unsubscribed from.

We do not sell your personal information. California residents have the right to:

• Know what personal information we collect and how it is used
• Request deletion of your personal information
• Not be discriminated against for exercising your privacy rights

To submit a request, contact support@squarexai.com.

Humanchecker AI is intended for users aged 18 and above. We do not knowingly collect or store personal data from anyone under 18. If you suspect a minor has created an account, contact us at support@squarexai.com and we will remove the account promptly.

We use HTTPS, secure session management, and access controls. No system is 100% secure, but we take reasonable steps to protect your information.

We may update this policy periodically. Material changes will be communicated by email or a notice on our site. The “Last updated” date at the top reflects the latest revision.