How to download Bilibili videos in HD quality on Mac and PC
Bilibili is the go-to video site in China - huge for anime, gaming, and music content. Saving videos from it isn't as simple as right-clicking: the site uses DASH streaming with separate video and audio tracks, and the servers reject requests without the right headers. YouTube Downloader handles all of that. Just give it a Bilibili link and the program delivers a normal MP4 with the best quality available.
The screenshots were taken using the Mac version of the program, but the application looks almost the same on Windows and Linux.
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Get the Bilibili link
Open the video on bilibili.com. The URL in the address bar will look like bilibili.com/video/BV1xx... - copy it. If the video has numbered parts (P1, P2...), make sure you're on the part you want.
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Feed it to the downloader
Open YouTube Downloader and paste the link with Ctrl+V or ⌘+V. The program reads the Bilibili page and shows the video title and thumbnail. For multi-part videos, every part shows up as a separate line in the list.
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Pick quality and save
hoose a format from the dropdown - MP4, MKV, or others. Bilibili typically offers 360p, 480p, 720p, and 1080p. Go with Original MP4 if you want the highest quality without re-encoding. Then press the download arrow or Start all.
Fair warning - Bilibili's CDN can be slow outside Asia, so larger videos may need a bit of patience.
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Done
Once finished, the downloaded file will be waiting in your output folder. To open it right away, click the Locate button or right-click the entry and select Locate saved file.
Tip: Multi-part videos
Many Bilibili creators split long content into parts (P1, P2, P3...). When you paste a link to such a video, the program lists all parts automatically. Each one downloads as its own file with the part title in the filename.