Privacy Policy for Mikan (見間)
Effective Date: February 24 2026
Overview
Mikan (見間) is a Chrome extension designed to track time spent watching YouTube videos for personal immersion and language learning purposes.
Your privacy is important. This extension is designed to operate entirely locally on your device and does not collect, transmit, or sell any personal data.
Information Collection
Mikan (見間) does not collect, transmit, or store any personal information.
Specifically:
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No user accounts are created.
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No email addresses are collected.
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No Google account information is accessed.
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No personally identifiable information is collected.
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No browsing history outside of YouTube is accessed.
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No data is transmitted to external servers.
Local Data Storage
The extension uses Chrome’s storage permission to store limited data locally on your device.
The only data stored includes:
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A cumulative watch-time total
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User interface preferences (such as theme selection)
The extension does not store:
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Video titles
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Video URLs
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Channel names
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Language classifications
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Playback timestamps
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Any identifiable viewing history
All stored data remains on your device and is never transmitted externally.
Website Access
The extension requests access to:
*://*.youtube.com/*
This access is required solely to:
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Detect when a YouTube video is playing
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Measure watch time
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Determine video language
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Display tracking information
The extension does not access or interact with other websites.
External Links
The extension may contain links to external websites, including:
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Ko-fi
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Discord
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YouTube
These links are optional and are provided for user convenience.
If you choose to visit these external sites, their respective privacy policies apply.
Mikan (見間) does not share any user data with these services.
Data Sharing
Mikan (見間):
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Does not sell data
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Does not share data
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Does not use analytics services
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Does not use third-party tracking tools
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Does not transmit data to external servers
Children’s Privacy
This extension is intended for general audiences.
It does not knowingly collect personal information from anyone, including children under 13.
Changes to This Policy
If the extension’s functionality changes in a way that affects data handling, this Privacy Policy will be updated accordingly.
Contact
If you have questions about this Privacy Policy, you may contact: