哔哩哔哩下载 —— B站视频解析与高清保存
ViralMint 是一款 B站视频下载工具,直接解析哔哩哔哩原画质 mp4,并可导出 .ass 弹幕字幕,配合本地 Whisper 转写做内容分析。
Why download B站 (Bilibili) videos with ViralMint?
ViralMint 是一款免费的哔哩哔哩下载与解析工具 —— 一个桌面应用即可完成 B站视频下载、哔哩哔哩视频下载、bilibili视频下载 与 B站视频解析,输出无水印的原画质 mp4。哔哩哔哩 (Bilibili) 的网页播放器采用分段 DASH 流,多数浏览器插件只能抓到 360P 或音画分离的碎片。ViralMint 使用最新的 yt-dlp B站解析器,直接定位最高画质 (1080P/4K) 的视频与音频流并无损合并为单个 mp4,同时可一并下载 .ass 弹幕轨。对做内容研究的创作者,配合 Channels 视图可批量拉取某个 UP 主近期的爆款视频,再链入本地 Whisper (支持中文 zh) 一键转写脚本。
How to download from B站 (Bilibili)
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Copy the B站 (Bilibili) video URL
From bilibili.com, copy the share or page URL — e.g.
https://www.bilibili.com/video/BV1xx411c7mD -
Paste it into ViralMint
Open the ViralMint desktop app and paste the URL into chat. The planner detects the B站 (Bilibili) URL and triggers the download automatically — no flags, no command line.
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Get the mp4, transcript and AI insights
The video lands in the Videos page with a local Whisper transcript and AI-extracted hook / structure / tone — ready for clip extraction or repurposing.
Frequently Asked Questions
哔哩哔哩视频解析是什么?和直接下载有什么区别?
哔哩哔哩视频解析是指从 B站 的网页或分段 DASH 流中定位出真实的视频与音频地址。普通在线解析站点常受服务器带宽限制,只能给到 360P/720P;ViralMint 在本地用 yt-dlp 引擎解析,直接拿到最高画质 (1080P/4K) 的原始流并无损合并为 mp4,解析即下载,无广告无水印。
可以下载 B站 的弹幕和字幕吗?
可以。ViralMint 在下载视频的同时会抓取该视频的弹幕轨并导出为 .ass 字幕文件,可在本地播放器中叠加显示,方便做内容与互动分析。
支持下载 4K / 大会员专享画质吗?
公开的 1080P/4K 视频可直接解析下载。部分大会员专享的高码率画质需要在 设置 → Cookies 中导入已登录的浏览器 Cookie 后才能获取。
能批量下载某个 UP 主的视频吗?
可以。在 Channels 视图粘贴 UP 主主页链接,即可按播放量/异常值排序拉取其近期视频列表,再批量解析下载并链入本地 Whisper 转写。
How ViralMint compares to other B站 (Bilibili) downloaders
| Approach | Examples | Trade-off | ViralMint advantage |
|---|---|---|---|
| Online converters | Y2mate, SaveFrom, ssyoutube, OnlineVideoConverter | Pop-up ads, redirects, quality capped at 720p, file-size limits, no batch downloads, your URL logged to ad networks | Local app, zero ads, original quality (up to 最高 4K (取决于源视频)), unlimited file size, batch mode |
| Browser extensions | Video DownloadHelper, FastestTube, similar Chrome / Firefox add-ons | Routinely broken after B站 (Bilibili) updates, removed from stores for ToS violations, no transcript or AI analysis | Updates with yt-dlp upstream (community-maintained), independent of browser extension stores, Whisper transcript built in |
| yt-dlp command line | yt-dlp, youtube-dl | Most flexible option but requires terminal comfort, manual cookie handling, no GUI for batch selection | Same yt-dlp under the hood, wrapped in a desktop GUI with cookie auto-detect, batch UI, and post-processing pipeline |
| Closed-source desktop apps | 4K Video Downloader, Allavsoft, ByClick Downloader | Closed-source, paid tiers gate batch and HD, no AI pipeline, no extensible Whisper / FFmpeg post-processing | Open source (AGPL-3.0), AI features prepaid per-action, integrates with the rest of the ViralMint creator pipeline |
Supported URL Example
https://www.bilibili.com/video/BV1xx411c7mD Equivalent yt-dlp command
If you already use yt-dlp, the desktop app's B站 (Bilibili) download is equivalent to running:
yt-dlp -f "bv*+ba/b" --merge-output-format mp4 "https://www.bilibili.com/video/BV1xx411c7mD" ViralMint also auto-runs Whisper transcription, downloads the thumbnail, and extracts AI hook / structure / tone insights — steps that take a separate command chain in raw yt-dlp.