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Bilibili Video Rotator Extension

Enhance your video playback experience on Bilibili with the Bilibili Video Rotator Extension, a specialized browser add-on designed to enable seamless rotation of videos within the embedded player on bilibili.com. This extension is ideal for users who encounter videos with incorrect orientation or prefer different viewing angles for comfort and clarity. Whether correcting sideways videos, adjusting vertical recordings, or simply personalizing the playback orientation, this tool integrates smoothly into Bilibili’s native video player, adding an intuitive rotation button right within the playback controls.

Once installed, the extension quietly activates when you visit any Bilibili video page, automatically detecting the video player and augmenting it without interruption or additional input. Its lightweight coding ensures no slowdown or diminished browser performance, and it modifies only the video interface without affecting other page elements or your personal data, making it a safe and privacy-conscious solution.

The interface is elegantly minimal—just a single rotation icon appears alongside the familiar play, pause, and volume controls. This simplicity guarantees easy access and immediate usability without complicated settings, catering to everyone from casual viewers to professionals dealing with unconventional video formats. The extension’s built-in support for multiple languages means it’s prepared for a global audience, with the foundation in place for localization as needed.

Technically, the extension manipulates the Document Object Model (DOM) to inject the rotation control and applies smooth CSS transformations to the video element for crisp, instantaneous rotation. Each click on the button rotates the video by 90 degrees counterclockwise or clockwise, enabling quick toggling between landscape, portrait, and upside-down views without needing to reload the page. The design accommodates potential future changes in Bilibili’s player structure with robust code, and user interaction is kept straightforward—no configuration menus or technical know-how required.

This extension is especially beneficial for:
- Users who watch videos uploaded with incorrect orientation.
- Viewers of screen recordings or vertically-shot content.
- Anyone seeking full control over video presentation to enhance their viewing comfort.

Key Features:
- Embeds a dedicated rotation button directly in Bilibili’s native video player controls.
- Enables 90-degree incremental rotation for versatile orientation shifts.
- Automatically activates on all Bilibili video URLs matching https://www.bilibili.com/video/* without manual setup.
- Lightweight and optimized to avoid impacting browser speed or video loading.
- Stylish, unobtrusive design that blends seamlessly with the existing Bilibili interface.
- Zero user configuration required; simply install and start rotating videos.
- Supports multilingual use with localization features integrated into the extension framework.

How It Works:
1. Install the Bilibili Video Rotator Extension from your preferred browser’s extension repository.
2. Open any video on Bilibili’s video pages (URLs under https://www.bilibili.com/video/*).
3. The extension detects the embedded player and injects a rotation button into the playback controls automatically.
4. Click the rotation button to rotate the video by 90 degrees with each press, adjusting orientation as needed.
5. Continue watching without refreshing or altering page state—the rotation persists instantly and smoothly.
6. The extension works silently in the background, enabling effortless video rotation anytime without additional user intervention.
7. Uninstalling the extension leaves no changes or leftover code in your browser, ensuring a clean removal.

**Privacy:** - No personal data collected. The extension functions entirely on the client side by modifying the webpage’s DOM only and does not collect or transmit any personal information, browsing history, or account details.