Features
Capinsta handles the full caption workflow — from upload to export — in one browser tab.
Caption generation
- Automatic AI-powered caption generation from video audio
- Word-level timing for each caption segment
- Support for English, Hinglish, Telgish, and auto-detect mixed Indian-language mode
- Transcript-based editing before converting to timed captions
Active-word highlighting
- Each spoken word highlights at the correct moment during playback
- Visual emphasis on the active word draws viewer attention
- Works with full video export and captions-only export
Caption styling
- Ready-made caption style presets
- Customizable font, size, color, background, and positioning
- Bold active-word effects with distinct styling for spoken vs. unspoken words
Editing
- Browser-based timeline editor with real-time preview
- Adjust caption timing by dragging on the timeline
- Edit caption text directly in the editor
- Split, merge, and re-order caption segments
Export
- Full video export with captions burned in (MP4)
- Captions-only export as SRT or VTT subtitle files
- Exported subtitle files work in any editor that supports sidecar subtitles
- No watermarks on exports
Privacy and storage
- No account required to use the editor
- Uploaded videos are processed and held only during the editing session
- Automatic deletion after a period of inactivity
- Your media is never used for training or resale