AI Dual Subtitle Generator
Paste a video URL and BibiGPT extracts subtitles, translates them into your target language, and exports a bilingual SRT file — original and translation side by side, perfectly synced to every timestamp. Ideal for language learners, content localization, and cross-border creators.
Generate bilingual subtitles right here
Paste a video URL — BibiGPT extracts subtitles, translates them, and exports a dual-language SRT. The live app loads inline.
Workflow (3 steps)
Paste a video URL → BibiGPT extracts subtitles and translates them → download a bilingual SRT with both languages aligned to every timestamp.
Features
Extract & Translate Subtitles from Any Video
BibiGPT pulls subtitles from 50+ platforms and translates them with AI — no manual transcription, no copy-pasting between tools.
Auto-extract from any URL
Paste a link from YouTube, Bilibili, TikTok, Twitter/X, or 50+ other platforms. BibiGPT grabs existing captions or transcribes the audio when none exist.
AI-powered translation to 5+ languages
Translate extracted subtitles into English, Chinese, Japanese, Korean, Traditional Chinese, and more — powered by AI that understands context, not just words.
Timestamp-aligned bilingual output
Every translated line stays synced to the original timestamp. The exported SRT shows both languages per cue — no manual alignment needed.
Built for Language Learning
Dual subtitles turn any video into a language lesson. Read both languages simultaneously and build vocabulary in context.
Side-by-side reading
See the original language and translation together on every subtitle line. Follow along naturally without pausing to look things up.
Vocabulary in real context
Learn words and phrases as they appear in real videos — not flashcard drills. Context-rich exposure accelerates retention.
Any language pair
English-Chinese, Japanese-Korean, Spanish-English — combine any source and target language for your study needs.
Content Localization Made Easy
Ship videos to international audiences faster. Generate bilingual subtitle files ready for embedding or burning into your edits.
Batch processing for teams
Pro users can paste up to 20 URLs at once and get a zip of dual-language SRT files — hours of manual work done in minutes.
SRT & VTT export
Download bilingual subtitles as SRT or VTT. Import directly into your video editor, upload to YouTube, or embed on your site.
Embed or burn-in ready
Use the exported files as soft subtitles (toggleable by viewers) or hard-burn them into the video for social media distribution.
3 steps to bilingual subtitles
No signup for the free preview. Use the embedded tool above — typical wait is 10-30 seconds depending on video length.
- 1
Paste video URL
Copy the share URL from YouTube, Bilibili, TikTok, or any of the 50+ supported platforms.
- 2
Choose target language
Select the language you want alongside the original — English, Chinese, Japanese, Korean, or Traditional Chinese.
- 3
Download dual SRT
Export the bilingual subtitle file as SRT or VTT. Each cue shows both languages, perfectly synced to the video timeline.
3 typical scenarios
Built for anyone who needs subtitles in two languages — learners, creators, and educators.
Language learners
Turn any YouTube or Bilibili video into a language lesson. Read native subtitles alongside your target language and build vocabulary from real content.
Content creators localizing videos
Ship bilingual subtitles for international audiences. Export SRT files ready for YouTube upload, video editor import, or social media burn-in.
International educators
Make lecture recordings accessible to multilingual classrooms. Students follow along in their native language while reading the original.
FAQ'S
Frequently Asked Questions
Ask us anything!
Generate bilingual subtitles right now
Paste a video URL — BibiGPT extracts, translates, and exports dual-language SRT files in seconds. Free to try, no signup required.