BiliFlow Bilibili Video Downloader 4K & MP3

Save Bilibili videos and audio to your PC. Choose available quality and export subtitles with local processing.

BiliFlow is a clean, reliable Bilibili video downloader for Google Chrome that helps you save permitted videos, audio tracks, subtitles, and cover images directly to your computer. With local in-browser processing, you can save crisp 1080p and 4K MP4 videos with complete audio, or extract audio tracks into MP3 and M4A without needing standalone desktop converters. Whether you want to archive your own content, save study tutorials for offline learning, keep podcasts and music accessible on your commute, or review bilingual video subtitles, BiliFlow provides a fast, seamless experience right inside your browser. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ KEY FEATURES & CAPABILITIES ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 1. High-Definition Video Downloads • Save videos in their authentic source resolutions, including 720p HD, 1080p Full HD, 1080p 60fps, and 4K Ultra HD when available from the publisher. • Automatically merges separated video and audio streams locally into a single, ready-to-watch MP4 file with full sound. • Maintains original visual clarity and smooth frame rates exactly as published by the creator. 2. Audio Extraction & Album Art • Extract original audio streams directly as M4A files for lossless playback. • Convert audio to MP3 at 128 kbps, 192 kbps, or 320 kbps for maximum device compatibility. • Download high-resolution video thumbnail covers with a single click. 3. Subtitles & Caption Management • Download native video captions as standard SRT or VTT subtitle files compatible with modern media players. • Built-in Subtitle Studio allows you to inspect captions, adjust timing, and export bilingual subtitle lines. • Fast local processing keeps your subtitle workflows smooth and responsive. 4. Fast, Private & On-Device Processing • All video merging and audio extraction run directly on your own computer using Chrome's native engine. • Your media files and browsing history are never transmitted to external cloud processing servers. • Download from the extension toolbar popup, paste direct video URLs, or use the convenient on-page download bubble on video pages. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ FREE VS. PRO ACCESS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BiliFlow offers both free everyday usage and premium lifetime access: • Free Version: - Includes 7 successful downloads every day (resets daily at 00:00 UTC). - Supports video downloads up to 720p resolution and durations up to 15 minutes. - Daily reward spin for a chance to unlock higher-resolution passes or bonus downloads. • PRO Upgrade (One-Time Access, No Recurring Charges): - Unlimited daily downloads with zero cooldowns. - Full access to 1080p, 1080p 60fps, and 4K Ultra HD source streams. - Unrestricted download length for long documentaries, multi-part courses, and livestreams. - Priority queue processing for high-speed batch transfers. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ SUPPORT & COMMUNITY ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ We are committed to delivering the best user experience and regular maintenance: • Official Telegram Support: @BliFlowSupport_bot • Web Support: https://biliflow-backend.vercel.app/support • Contact Email: founder@elnavix.online • Privacy Policy: https://biliflow-backend.vercel.app/privacy ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ DISCLAIMER & COMPLIANCE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ BiliFlow is an independent product developed by Elnavix Labs and is not affiliated with, endorsed by, or sponsored by Bilibili Inc. Please respect intellectual property rights and use this tool only for content you own or have explicit permission to download for personal, offline viewing.