Downkyi: A Simple and Powerful Open-Source Bilibili Video Downloader
Bilibili Downloader (Downkyi) is an easy-to-use video downloading tool for Bilibili, featuring a clean interface and smooth operation logic. Downkyi can download almost all Bilibili videos and output them as MP4 files. It utilizes the Aria download engine for multi-threaded downloading and employs FFmpeg for video muxing, audio/video extraction, and other operations.

Key Features
- Supports QR code login
- Supports 4K video download
- Supports downloading videos, anime, series, movies, and courses
- Supports downloading user favorites, subscriptions, watch-later lists, and history
- Supports downloading Hong Kong, Macau, and Taiwan anime, removing regional restrictions
- Supports danmu (bullet comments) download and style settings
- Supports cover image download
- Supports breakpoint resumption
- Supports Aria2c
- Supports saving download history
- Supports conversion between AV and BV IDs
- Supports querying danmu senders
- Supports audio and video separation
- Supports watermark removal
- Supports update checks
Download Downkyi
Downkyi only supports the Windows system and requires .NET Framework >= 4.7.2. Download links are as follows:
- GitHub Download: https://github.com/leiurayer/downkyi/releases
- Xiaoz Software Library: DownKyi-1.4.0.zip
After downloading, extract the file and double-click DownKyi.exe to start using it.
Conclusion
Downkyi is free, open-source, ad-free, features a clean interface, and offers powerful functionality. If you need to download videos from Bilibili, give it a try.
Project Address: https://github.com/leiurayer/downkyi