Sokuji Extension Privacy Policy

Introduction

Sokuji Extension ("we", "our", or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our browser extension and desktop application. Please read this privacy policy carefully. If you do not agree with the terms of this privacy policy, please do not access the extension.

Information We Collect

User-Provided Information

OpenAI API Key: You provide your own OpenAI API key which is stored locally on your device.
Audio Content: The extension processes audio from your microphone when you actively use the interpretation feature. This audio is processed in real-time and is not stored.
Configuration Settings: Your preferences for language models, voice settings, and other configuration options.

Analytics Data (Optional)

With your explicit consent, we collect anonymous usage analytics to improve Sokuji:

App Usage Patterns: Which features you use and how often
Performance Metrics: App startup time, translation latency, and error rates
Device Information: Operating system, device type (anonymized)
Language Preferences: Source and target language selections
Settings Changes: When you modify app settings (not the content of settings)

You can opt-out of analytics at any time through the app settings.

Automatically Collected Information

Technical Data: Basic usage statistics to improve the extension's functionality (only with consent).
Extension State: Information about the extension's current state (active/inactive) on specific tabs.

How We Use Your Information

We use the information we collect in the following ways:

To provide real-time language interpretation services
To create and manage virtual audio devices for communication applications
To save your preferences and settings between sessions
To improve and optimize the extension's performance (with your consent)
To understand user behavior and improve the user experience (with your consent)
To identify and fix bugs and performance issues (with your consent)

Analytics and Tracking

PostHog Analytics

We use PostHog, a privacy-focused analytics platform, to understand how users interact with Sokuji. This helps us improve the application and fix issues.

                Your Control Over Analytics
                Explicit Consent Required: Analytics are only enabled after you explicitly consent
Easy Opt-Out: You can disable analytics at any time in the app settings
Granular Control: Choose what types of data you're comfortable sharing
GDPR Compliant: Full compliance with European privacy regulations

            

What Analytics Data Includes

Feature usage frequency and patterns
App performance metrics (startup time, memory usage)
Error reports and crash information (anonymized)
Language pair preferences and usage statistics
Device type and operating system (anonymized)

What Analytics Data NEVER Includes

❌ Audio recordings or voice content
❌ Translation text or conversation content
❌ Personal information or identifiers
❌ IP addresses or location data
❌ OpenAI API keys or credentials
❌ Any sensitive or private information

Data Storage and Security

Local Storage

All user data, including your OpenAI API key and configuration settings, is stored locally on your device using the browser's secure storage mechanisms.
No user data is stored on our servers.
Analytics consent preferences are stored locally on your device.

Data Transmission

Audio data is transmitted directly from your browser to OpenAI's servers using your provided API key.
Analytics data (if consented) is transmitted to PostHog's secure servers.
All data transmission occurs over secure HTTPS connections.
No audio or translation content is ever transmitted to our analytics servers.

Third-Party Services

OpenAI

When you use the interpretation feature, audio data is sent to OpenAI's servers for processing.
This transmission is governed by OpenAI's Privacy Policy.
Your use of OpenAI's services through our extension is subject to OpenAI's terms of service.

PostHog Analytics (Optional)

If you consent to analytics, anonymous usage data is sent to PostHog for analysis.
PostHog is a privacy-focused analytics platform with strong data protection measures.
PostHog's data handling is governed by their Privacy Policy.
You can opt-out of PostHog analytics at any time through the app settings.

Data Retention

Your configuration data is retained locally on your device until you uninstall the extension or clear your browser data.
Audio data is processed in real-time and is not persistently stored by the extension.
Analytics data (if consented) is retained by PostHog according to their retention policy (typically 7 years, configurable).
OpenAI may retain data according to their privacy policy.
You can request deletion of your analytics data by contacting us.

User Rights and Control

You have the right to:

Access, update, or delete your information stored locally by the extension
Opt-out of analytics tracking at any time through the app settings
Request deletion of any analytics data we may have collected
Be informed of how your data is being used
Withdraw consent for analytics tracking without affecting core app functionality
Export your local settings and preferences

Managing Your Privacy Settings

To manage your analytics preferences:

Open Sokuji application
Go to Settings → Privacy
Toggle "Analytics & Usage Data" on or off
Changes take effect immediately

GDPR Compliance

For users in the European Union, we ensure full compliance with the General Data Protection Regulation (GDPR):

Lawful Basis: Analytics data collection is based on your explicit consent
Data Minimization: We only collect data necessary for improving the application
Purpose Limitation: Data is only used for the purposes stated in this policy
Right to Erasure: You can request deletion of your data at any time
Data Portability: You can export your local settings and preferences
Transparent Processing: This policy clearly explains all data processing activities

Children's Privacy

Our extension is not intended for children under 13 years of age. We do not knowingly collect personal information from children under 13. If you are a parent or guardian and believe your child has provided us with personal information, please contact us immediately.

Changes to This Privacy Policy

We may update our Privacy Policy from time to time. We will notify you of any changes by:

Posting the new Privacy Policy on this page
Updating the "Last Updated" date
Showing an in-app notification for significant changes
Requesting renewed consent for analytics if data collection practices change

Contact Us

If you have any questions or suggestions about our Privacy Policy, or if you want to exercise your privacy rights, do not hesitate to contact us at:

Email: contact@kizuna.ai
GitHub: https://github.com/kizuna-ai-lab/sokuji
Privacy Requests: privacy@kizuna.ai

Consent

By using our extension, you hereby consent to our Privacy Policy and agree to its terms. For analytics data collection, we will request separate, explicit consent through the application interface.