Privacy Policy

Subtitle Tools (hereinafter referred to as "we", "this website" or "this service") is committed to protecting user privacy. This privacy policy details how we collect, use, store and protect your personal information when you use our services.

By using our services, you agree to the information collection and use methods described in this privacy policy. If you do not agree with any part of this policy, please do not use our services.

2.1 Personal Information

When you register an account or use our services, we may collect the following information:

• Email address (for account creation and login)
• Username or nickname
• Password (stored encrypted)
• IP address and device information
• Browser type and version

2.2 Usage Data

We collect information about how you use the service, including:

• Access time and frequency
• Features and services used
• Error logs and performance data
• Uploaded subtitle files (temporarily stored only during processing)

2.3 Cookies and Similar Technologies

We use cookies and similar tracking technologies to improve user experience, including:

• Essential cookies: for basic website functionality
• Performance cookies: for analyzing website usage
• Functional cookies: for remembering your preferences

2.4 Website Analytics Tools

Google Analytics

We use Google Analytics to analyze website usage and improve user experience. Google Analytics collects the following information:

• Page views and visit duration
• User's approximate geographic location (based on IP address)
• Device type and browser information
• Feature usage statistics
• Website performance data

Umami Analytics

We also use Umami as an auxiliary analytics tool, which is a privacy-focused open-source website analytics service. Umami features:

• No cookie-based tracking
• No collection of personally identifiable information
• Compliant with GDPR and other privacy regulations
• Only collects anonymous visit statistics
• Fully anonymized data processing

The information we collect is used for the following purposes:

• Provide and maintain our services
• Process your subtitle files and requests
• Improve and optimize website performance
• Send important notifications and service updates
• Prevent fraud and ensure security
• Comply with legal requirements
• Provide customer support

We do not sell, trade or rent your personal information to third parties. However, we may share your information in the following circumstances:

4.1 Service Providers

We may share information with trusted third-party service providers, including:

• Cloud storage service providers (Supabase, etc.)
• AI service providers (OpenAI, etc.)
• Analytics service providers (Google Analytics, Umami, etc.)
• Content Delivery Network (CDN) providers

4.2 Legal Requirements

We may disclose your information in the following circumstances:

• Comply with legal obligations
• Protect our rights and property
• Prevent or investigate possible illegal activities
• Protect user and public safety

We take various security measures to protect your personal information:

• Use HTTPS encryption for transmission
• Passwords stored using secure hash algorithms
• Regular security audits and updates
• Restricted access permissions
• Uploaded subtitle files temporarily stored only during processing

Important: Your uploaded subtitle files are temporarily stored in memory only during processing and are immediately deleted after processing. We do not permanently save your subtitle content.

Our data retention policy is as follows:

• Account information: Retained while your account is active
• Subtitle files: Immediately deleted after processing
• Log data: Retained for 30 days for security and performance analysis
• Email communications: Until you unsubscribe

You can request deletion of your account and related data at any time.

You have the following rights regarding your personal information:

• Right of access: Request a copy of your personal information we hold
• Right of rectification: Request correction of inaccurate or incomplete information
• Right of erasure: Request deletion of your personal information
• Right of restriction: Request restriction of processing of your information
• Right of data portability: Request your data in a structured format
• Right to object: Object to our processing of your personal information

To exercise these rights, please contact us through the contact information below.

Our services are not directed to children under 13 years of age. We do not knowingly collect personal information from children under 13. If you discover that a child under 13 has provided us with personal information, please contact us immediately and we will delete such information from our servers.

Your information may be transferred to and maintained on computers located outside of your state, province, country or other governmental jurisdiction where data protection laws may differ from those in your jurisdiction.

If you are located outside China and choose to provide information to us, please note that we transfer data, including personal data, to China and process it there.

We may update this privacy policy from time to time. We will notify you of any changes by posting the new privacy policy on this page. We recommend that you review this privacy policy periodically to understand any changes. Changes take effect immediately upon posting to this page.

If you have any questions or suggestions about this privacy policy, please contact us through the following methods:

We will respond to your inquiry within 30 days of receiving your request.