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OnlyMP3 Browser Extension Privacy Policy
Last updated: July 26, 2026
1. Overview
This Privacy Policy explains how the OnlyMP3 browser extension handles information when you use it.
The extension is designed to help users send a supported YouTube video link to the OnlyMP3 website for MP3 conversion. We aim to collect and transmit only the minimum information needed to provide this function.
2. Information accessed by the extension
When you open the extension popup, the extension may read the URL of the currently active browser tab to determine whether it contains a supported YouTube video link.
You may also manually paste a YouTube video link into the extension.
The extension reads the browser interface language locally so it can open the appropriate OnlyMP3 language subdomain.
The extension does not read or monitor other browser tabs unless you actively open the extension on that tab.
3. Local processing
The active-tab URL or manually pasted link is processed locally inside your browser.
The extension checks whether the link is supported and extracts the 11-character YouTube video ID.
The complete YouTube URL is not intentionally transmitted by the extension to OnlyMP3.
4. Information transmitted to OnlyMP3
No information is transmitted until you click the “Continue to OnlyMP3” button.
After you click Continue, the extension opens an OnlyMP3 webpage using the following format:
https://{language}.onlymp3.cx/?v={video_id}
Only the extracted YouTube video ID is added to the page URL by the extension.
As with any website visit, the OnlyMP3 website and its hosting or security infrastructure may automatically receive ordinary technical information such as your IP address, browser type, device type, request time, and basic server-log information.
Website data handling is governed by the main OnlyMP3 Privacy Policy:
https://onlymp3.cx/privacy-policy
5. Information we do not collect through the extension
The extension does not intentionally collect:
• Your complete browsing history
• The contents of unrelated webpages
• Your name or email address
• Account passwords or login credentials
• Payment or financial information
• Precise geographic location
• Contact lists
• Personal files
• Advertising identifiers
• Analytics or tracking identifiers
6. Browser permissions
The extension requests only the activeTab permission.
This permission allows the extension to access the URL of the active tab after you interact with the extension. It does not provide continuous access to your complete browsing history.
The extension does not use content scripts, broad website permissions, or background browsing monitoring.
7. Storage and retention
The extension does not use browser storage to permanently save your YouTube links, video IDs, browsing activity, or personal information.
Information entered into the popup exists only temporarily while the popup is open.
The extension itself does not maintain a database and does not retain the selected video ID after opening the OnlyMP3 website.
Information processed by the OnlyMP3 website, including technical server logs and conversion-related information, is handled according to the main OnlyMP3 Privacy Policy.
8. Analytics, advertising, and tracking
The extension does not contain analytics services, advertising software, tracking pixels, advertising SDKs, or remote JavaScript.
The OnlyMP3 website may use cookies, analytics, advertising, security services, or similar technologies as described in the website Privacy Policy.
9. Sharing and sale of information
The extension does not sell personal information.
The extension does not share browsing information with advertisers, analytics providers, or unrelated third parties.
When you click Continue, the selected video ID is sent only to the OnlyMP3 website for the function you requested.
10. Security
The extension uses HTTPS when opening the OnlyMP3 website.
We minimize transmitted information by extracting and sending only the selected video ID rather than intentionally sending the complete active-tab URL.
No method of internet transmission is completely secure, but we take reasonable steps to limit the information handled by the extension.
11. Third-party websites and services
The extension works with links associated with YouTube, but it is not produced, endorsed, or operated by YouTube or Google.
When the extension opens the OnlyMP3 website, your use of that website is subject to the OnlyMP3 Privacy Policy and Terms of Service.
Links to other websites or services are governed by their respective privacy policies.
12. Children’s privacy
The extension is not directed to children under 13, and we do not knowingly collect personal information from children through the extension.
If you believe that a child has provided personal information, please contact us.
13. Your choices
You may avoid transmitting a video ID by closing the extension popup without clicking Continue.
You may remove the extension at any time through your browser’s extension-management settings.
Because the extension does not permanently store personal information, it normally has no extension-held personal data to access, correct, or delete.
For questions concerning website data, contact OnlyMP3 using the details below.
14. Changes to this Privacy Policy
We may update this Privacy Policy when the extension, applicable requirements, or our practices change.
Any updated version will be published with a revised “Last updated” date.
15. Contact
For privacy questions, support requests, or data-related concerns, contact:
Email: admin@onlymp3.cx
Contact page:
https://onlymp3.cx/contact-us