bili23-downloader

Bili23-Downloader is an open-source, free, cross-platform Bilibili video download tool, released under the GPL-3.0 license, with no in-app purchases and no ads. Main features: - Cross-platform support: compatible with Windows (including Windows 7), Linux and macOS. - Interface: based on Fluent Design, supports light/dark theme switching, adapts to high-DPI screens, and remembers window position and size. - Download capabilities: multi-threaded parallel downloads, resume from breakpoints, automatic retry on network anomalies, and support for global download speed limits. - Parsing types: submitted videos, anime, movies, courses, interactive videos, music (au/am), UP uploader spaces, favorites, weekly must-watch, subscribed collections, followed anime and shows, watch later, history, etc. - Batch and search: supports pasting multiple links for batch parsing; personal spaces, favorites, history, etc. support keyword search, and download items can be automatically checked according to preset conditions. - Audio and video customization: video quality options include 8K, 4K, HDR, Dolby Vision, etc.; audio quality options include Hi-Res lossless, Dolby Atmos, etc.; codecs support AVC, HEVC, AV1, and media content can be previewed before downloading. - Danmaku and subtitles: danmaku supports xml, ass, json; subtitles support srt, lrc, txt, ass, json, with customizable styles, specified languages, and the ability to embed ass danmaku and subtitles into mkv containers. - Covers and chapters: losslessly saves original cover images (jpg, png, avif, webp), can embed them into video files, and supports writing chapter information. - NFO metadata: generates local metadata compliant with media center standards such as Kodi, Jellyfin, Emby, etc. - Categorization and naming: built-in rule engine that can set naming templates and multi-level directory classification storage separately for different types of content. - Container formats: supports output as mp4 or mkv. - Duplicate download detection: records download history, and duplicate content can be prompted and skipped. - Network and proxy: supports three modes: no proxy, system proxy, and manual settings; CDN nodes can be selected, and custom User-Agent and Host are supported. - Clipboard monitoring: automatically recognizes Bilibili links in the clipboard. - Internationalization: built-in Simplified Chinese, Traditional Chinese, and English interfaces. - Account login: supports QR code login, SMS verification login, and Cookie login. Regarding the usage agreement, the project states that it is for personal learning and research purposes only, and downloaded content is limited to personal non-commercial use and must not be used for commercial purposes, public dissemination, or distribution; the software operates based on the user account's lawful access permissions and does not bypass paywalls or the platform's intellectual property protection measures. Users must bear the risks of use themselves. The project provides two download channels: GitHub Releases and the official website, and also has a QQ chat group and QQ channel for community communication.