
Bytecap

Bytecap

Bytecap
Generate accurate video captions automatically with Bytecap's AI video editor. 99% transcription accuracy, word-level timing, multi-speaker detection, and 20+ animated subtitle templates. Perfect for YouTube, TikTok, Instagram, and accessibility compliance.

50,000+ creators using AI to auto-caption videos
A video caption generator is AI software that automatically transcribes audio from videos into text subtitles. Unlike manual captioning—which requires listening to the entire video and typing word-by-word—AI caption generators use advanced speech recognition to transcribe audio in seconds and automatically synchronize captions to the video timeline.
Bytecap's AI caption generator is built into our AI video editor and achieves 99% transcription accuracy across 50+ languages. It includes multi-speaker detection (automatically color-codes different speakers), word-level timing for precise synchronization, 20+ animated caption templates, and emoji insertion. It handles technical terms, accents, and background noise far better than basic transcription tools.
Video captions increase watch time by 40% on silent-viewing platforms (TikTok, Instagram Reels), improve SEO for YouTube videos, ensure ADA compliance, and make content accessible to deaf and hard-of-hearing audiences. Professional creators and content businesses can't afford to skip captions anymore—but manual captioning is time-prohibitive. AI caption generators solve this by automating the entire process.
Manual video captioning is time-consuming and impractical. A 10-minute video takes 60+ minutes to caption manually (watching, typing, timing, syncing). Platforms like YouTube and TikTok require captions for maximum reach, but creators with large content libraries can't manually caption hundreds or thousands of videos.
Traditional caption software like Adobe Media Encoder or Premiere Pro's built-in captions have low accuracy (70-85%), require extensive manual correction, and take technical knowledge to set up properly. Other standalone tools lack multi-language support or require paying per-minute transcription fees, making them cost-prohibitive for creators producing daily content.
Video caption generators like Bytecap solve this by automating the entire captioning workflow. Upload your video, and AI transcribes, times, and formats captions with 99% accuracy in under a minute. Export as SRT, VTT, JSON, or use captions directly in your video editor. No manual correction needed for most videos.
Bytecap uses advanced speech recognition AI models trained on millions of hours of diverse audio to transcribe video content with exceptional accuracy. Our system handles accents, background noise, technical terms, and multiple languages automatically.
Multi-speaker detection automatically identifies when different speakers are talking and color-codes them with speaker labels. Perfect for interviews, podcasts, panel discussions, and TV shows. No manual speaker tagging required.
Word-level timing synchronization ensures each word appears on screen exactly when spoken. This is critical for short-form platforms (TikTok, Instagram Reels, YouTube Shorts) where precise caption timing drives engagement and retention.
20+ animated caption templates let you style captions instantly. Choose from viral TikTok styles (bold text, emoji zoom), professional styles, or minimal styles—all with customizable fonts, colors, and animations.
Export captions in multiple formats: SRT (SubRip), VTT (WebVTT), JSON, or TXT. Or use captions directly in Bytecap's AI video editor with full customization options. Edit individual captions, adjust timing, or add custom text.

Advanced AI transcribes audio with exceptional accuracy. Handles accents, technical terms, background noise, and multiple speakers automatically.
Automatically identifies and color-codes different speakers. Perfect for interviews, podcasts, panel discussions, and conversations.
Each word is synchronized to the exact moment it's spoken. Critical for short-form platforms (TikTok, Reels, Shorts).
Auto-detect language and generate captions in any of 50+ supported languages. Includes translation between languages.
Choose from viral TikTok styles, professional templates, or minimal designs. Fully customizable fonts, colors, and animations.
Export as SRT, VTT, JSON, or TXT. Use captions directly in video editors or upload to YouTube, TikTok, and other platforms.
Bytecap's caption generator supports 50+ languages including:
Increase in watch time with captions
Of viewers watch videos without sound
Transcription accuracy rate
Average time to caption any video
Upload any video file (MP4, MOV, WebM) or paste a YouTube/Vimeo link. Supports videos up to 3GB.
Our AI transcribes audio with 99% accuracy in seconds. Multi-speaker detection and word-level timing included automatically.
Export captions in SRT/VTT/JSON format or edit within our caption editor. Customize styling and publish directly to YouTube.
Full-featured video editing with built-in caption generator
Create vertical videos optimized for captions
Make TikToks with animated caption templates
Extract highlights and auto-caption them
Generate full transcripts and SRT files
Generate videos with voiceovers and captions
Start creating viral TikToks, Instagram Reels & YouTube Shorts today!