Add Captions That Move With Your Words
Upload your video, get AI-synced karaoke captions, preview the result live, and download a finished MP4 — all in minutes.
Quick Google sign-in • Processes in under 2 minutes
AutoCaption Studio
Word-by-Word Highlight
Each word lights up in sync with speech — karaoke-style captions your audience can follow.
Auto-Synced Timing
AI-powered transcription with millisecond-level word alignment. No manual adjustments needed.
Download in 4K
Export your captioned video at full resolution, ready to post on any platform.
Pipeline
Three simple steps from video to final download.
Upload your video, let AutoCaption build synced captions, then download a finished video you can post anywhere.
1
Drag in your video
2
Choose your caption style
3
Watch live progress
4
Download a ready MP4