What is galaxy-bilibili-downloader?

Galaxy Bilibili Downloader is a Windows desktop tool for downloading videos from Bilibili, a Chinese video sharing platform, written in Python. Its main selling point is speed: it uses a tool called Aria2c under the hood to download videos in multiple pieces at once, filling up available bandwidth instead of pulling the file as one slow stream. The tool also claims to work around some of Bilibili's account restrictions. If you are logged in through your browser cookies, it can automatically use that session to fetch higher quality video, including 4K and 1080p at 60 frames per second, which the README says is not accessible through standard download tools. It also includes a built in proxy configuration screen for getting around regional blocks, or you can point it at your own VPN instead. Once you paste in a video link, the tool fetches the video and audio streams separately and merges them into a single mp4 file using FFmpeg, a well known media processing tool, without any extra steps on your part. It has a dark mode interface with a built in terminal window that shows download progress as it happens. For most people, the easiest way to use it is to download a ready made zip file from the Releases section and run the included exe file directly, keeping the aria2c.exe file in the same folder for full speed. Developers who want to run it from source instead need Python 3.10 or newer with the option to add Python to the system PATH, after which a batch file installs the needed libraries and starts the tool. The project is shared for free by its creator, Jonathan Nguyen, who asks users to respect copyright and intellectual property laws when using it. No license file is mentioned in the README, so it is unclear what legal terms govern reuse or modification of the code.