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Extractor de Subtítulos y Danmaku

Descarga Subtítulos y Danmaku de Bilibili

Exporta subtítulos oficiales en SRT/JSON y comentarios danmaku en formato ASS.

Prioriza archivos MP4 H.264 compatibles con la mayoría de dispositivos.
Probar ejemplos:
⚡ 1080p, 4K & 8K MP4🎵 320kbps MP3 Audio💬 CC Subtitles & Danmaku✨ No Watermark

Lossless 1080p/4K DASH Muxing

Combines full HD & 4K video with separate audio streams into synchronized MP4 without quality loss.

Hi-Fi 320kbps MP3 & M4A Audio

Extracts pure 320kbps MP3 and lossless M4A audio tracks with immediate in-browser playback.

Zero-Log Privacy & Clean Video

Inpaints watermarks locally via WebAssembly. Streams flow direct from public edge CDNs to your device.

Un proceso muy sencillo

Cómo descargar subtítulos y danmaku

Obtén subtítulos y comentarios flotantes en segundos.

  1. 01

    Copia el enlace del video

    Copia la URL del video de Bilibili con subtítulos.

    Step 1 of 3Input
  2. 02

    Inspecciona las pistas

    Visualiza los idiomas de subtítulos y el danmaku disponible.

    Step 2 of 3Analyze
  3. 03

    Descarga en SRT o ASS

    Guarda el archivo para usarlo en tu reproductor preferido.

    Step 3 of 3Save
💡

Mobile Shortcut: In the Bilibili app, tap Share → Copy Link. Our parser automatically resolves b23.tv shortlinks in milliseconds.

iOS & Android Ready
Tu kit de herramientas Bilibili

Elige la parte que deseas conservar

Un solo enlace público puede extraer video, audio, subtítulos, danmaku, portada y series completas.

Descarga de video
Lossless DASH

Guarda videos para reproducir donde sea

Obtén la mejor calidad MP4 con audio sincronizado en un solo archivo.

Explorar descargas MP4 MP4 · H.264 · AV1
Edición permitida
WebAssembly

Limpia la marca de esquina fácilmente

Selecciona la esquina en Watermark Studio, previsualiza y guarda.

Conserva solo el audio

Guarda música, podcasts, discursos y canciones de apertura.

Audio MP3 y M4A

Elige un episodio o serie

Navega por cursos, listas de reproducción o series y guarda lo que necesites.

Ver series completas
Technical Specifications & Architecture

Bilibili Media Stream Formats & Codec Matrix

Learn how Bilibili streams are structured, how video and audio are synchronized, and which player delivers optimal playback.

Supported Format Matrix

HTML5 / WebAssembly / Direct CDN
Media TypeQuality / SpecsVideo CodecAudio SpecSupported Players
8K / 4K Ultra HDUltra HD
7680x4320 / 3840x2160 @ 60fpsAV01 (AV1) / HEVC (H.265)AAC 192–320 kbps (48kHz)VLC, PotPlayer, IINA, MPV
1080P Full HD / 720PUniversal
1920x1080 / 1280x720 @ 60/30fpsAVC (H.264) / HEVCAAC 132–192 kbpsAll browsers, QuickTime, iOS/Android
Studio Audio (MP3/M4A)Hi-Fi Audio
Lossless AAC stream / MP3 320kN/A (Pure Audio)Up to 320 kbps StereoApple Music, Spotify Local, VLC
CC Subtitles (SRT/JSON)Captions
Bilingual / Official CC TranscriptsUTF-8 Encoded SRTTime-Coded TextVLC, PotPlayer, YouTube, Aegisub
Danmaku Comments (ASS)Danmaku
Full-Resolution Bullet CommentsAdvanced SubStation AlphaDynamic CoordinatesPotPlayer, MPV, Danmaku2ASS, VLC
Master Cover ArtworkMaster Art
Original Master Image (Up to 4K)JPG / WebP Lossless16:9 Clean BannerStandard Image Viewers, Wallpaper
01 · Architecture

DASH Audio-Video Demuxing

Bilibili delivers modern high-resolution video and audio as separate DASH streams on edge CDNs. Our engine merges them directly into a synchronized standard MP4 container without re-encoding loss.

02 · Privacy Engine

In-Browser WebAssembly Processing

Watermark inpainting and audio format conversions run 100% locally on your device via client-side WebAssembly. No video files or user data are ever uploaded to remote servers.

03 · Zero-Logging

Zero-Storage Privacy Commitment

We do not store, host, or index user media. All requests interface directly with public CDN edges over encrypted HTTPS connections.

Device Playback & Compatibility Guide

iPhone & iPad (iOS)

Tap Download in Safari -> tap the Downloads arrow -> open file in Files app -> tap Share -> Save Video to Camera Roll.

Android Devices

Tap Download in Chrome or Firefox. The MP4 video or MP3 audio saves directly to your Downloads folder and Gallery.

Windows & macOS

Plays natively in VLC, PotPlayer, IINA, QuickTime, or Windows Media Player. Drag and drop ASS files to view danmaku comments.

Need step-by-step instructions with audio fix and Camera Roll saving?Read the complete iPhone, Android & PC Guide →

Fair Use & Personal Backup Notice

BilibiliDownloader.co is an open browser-based utility designed exclusively for personal study, research, education, and offline backup of publicly accessible media. We respect copyright and creator rights. BilibiliDownloader.co is an independent third-party tool and is not affiliated with Bilibili Inc.

Learn more in our Copyright Policy & DMCA Notice →
Respuestas útiles

Preguntas sobre Subtítulos y Danmaku

Información sobre idiomas, formatos y reproductores compatibles.

¿Qué reproductores admiten comentarios ASS?

PotPlayer, VLC y MPV son compatibles nativamente con archivos danmaku ASS.

¿Puedo copiar la transcripción?

Sí, puedes copiar el texto completo o descargarlo en archivo TXT.