Descarga de video
Lossless DASHGuarda videos para reproducir donde sea
Obtén la mejor calidad MP4 con audio sincronizado en un solo archivo.
Explorar descargas MP4 MP4 · H.264 · AV1
Restauración Inteligente de Video
Limpia Marcas de Agua de Bilibili Online
Restauración de píxeles ejecutada localmente en tu navegador para proteger tu privacidad.
Probar ejemplos:
⚡ 1080p, 4K & 8K MP4🎵 320kbps MP3 Audio💬 CC Subtitles & Danmaku✨ No Watermark
No se pudo inspeccionar este enlace
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.
On your device
Preparing your video
Getting everything ready for your export.
Keep this tab open. Your original stays unchanged.
Descargas recientes en esta sesión
Un proceso muy sencillo
Cómo eliminar marcas de agua de videos
Proceso de tres pasos directo en tu dispositivo.
- 01
Pega la URL del video
Carga la previsualización del video en el estudio.
Step 1 of 3Input - 02
Selecciona la esquina con la marca
Elige la esquina donde aparece el logotipo o UID.
Step 2 of 3Analyze - 03
Exporta el MP4 reparado
Genera y descarga el video limpio directamente.
Step 3 of 3Save
💡
iOS & Android ReadyMobile Shortcut: In the Bilibili app, tap Share → Copy Link. Our parser automatically resolves b23.tv shortlinks in milliseconds.
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.
Edición permitida
WebAssemblyLimpia la marca de esquina fácilmente
Selecciona la esquina en Watermark Studio, previsualiza y guarda.
Abrir Watermark Studio Vista previa
Conserva solo el audio
Guarda música, podcasts, discursos y canciones de apertura.
Audio MP3 y M4AGuarda también los subtítulos
Descarga subtítulos CC en SRT y comentarios danmaku en formato ASS.
Subtítulos y danmakuGuarda la imagen de portada
Conserva la imagen original de portada en máxima resolución.
Descargar miniaturaElige un episodio o serie
Navega por cursos, listas de reproducción o series y guarda lo que necesites.
Ver series completasTechnical 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 Type | Quality / Specs | Video Codec | Audio Spec | Supported Players |
|---|---|---|---|---|
8K / 4K Ultra HDUltra HD | 7680x4320 / 3840x2160 @ 60fps | AV01 (AV1) / HEVC (H.265) | AAC 192–320 kbps (48kHz) | VLC, PotPlayer, IINA, MPV |
1080P Full HD / 720PUniversal | 1920x1080 / 1280x720 @ 60/30fps | AVC (H.264) / HEVC | AAC 132–192 kbps | All browsers, QuickTime, iOS/Android |
Studio Audio (MP3/M4A)Hi-Fi Audio | Lossless AAC stream / MP3 320k | N/A (Pure Audio) | Up to 320 kbps Stereo | Apple Music, Spotify Local, VLC |
CC Subtitles (SRT/JSON)Captions | Bilingual / Official CC Transcripts | UTF-8 Encoded SRT | Time-Coded Text | VLC, PotPlayer, YouTube, Aegisub |
Danmaku Comments (ASS)Danmaku | Full-Resolution Bullet Comments | Advanced SubStation Alpha | Dynamic Coordinates | PotPlayer, MPV, Danmaku2ASS, VLC |
Master Cover ArtworkMaster Art | Original Master Image (Up to 4K) | JPG / WebP Lossless | 16:9 Clean Banner | Standard 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.
Search Intent & Formats Knowledge Hub
Explore Bilibili Media Tools by Format & Query Intent
Jump directly to optimized stream muxers, audio converters, inpainting tools, or subtitle extractors built for high-speed offline workflow.
Video & MP4 Streams
1080p 60fps, 4K & 8K DASH streams
Audio & MP3 Extraction
320kbps MP3 and Hi-Res M4A audio
Watermark Removal
Inpaint corner logos & creator UIDs
Subtitles & Danmaku
Bilingual CC to SRT & ASS comments
Batch, Playlists & Covers
Multi-P series queue & 4K artwork
Respuestas útiles
Preguntas sobre Eliminación de Marcas
Detalles sobre procesamiento local, privacidad y calidad.
¿Se sube mi video a algún servidor?
No. Todo el procesamiento se realiza en tu navegador mediante WebAssembly.
¿Afecta la calidad del video?
Solo se restaura la esquina seleccionada, manteniendo el resto del video intacto.