AI auto caption generator for social media videos with 98.9% accuracy
Free word-by-word caption generator that runs in your browser with no uploads or watermarks
Stage
Not given
Not given
Founded
Not given
Not given
Based in
US
BD
Pricing model
Free
Freemium
Pricing
Not given
Free: unlimited videos, Classic and Lyrics styles, MP4/SRT/VTT export with no watermark. Pro: $19/year (limited-time launch price), $3.99/month, or $59 lifetime. Pro unlocks 100+ caption styles, auto emoji, smart highlights and filler-word cleanup.
Key features
Auto-generate captions with 98.9% accuracy
200+ customizable caption styles and templates
Translate captions to 120 languages in one click
Voice-synced teleprompter for recording
Auto zoom, trim, and highlight for videos
AI-powered script writing
Virtual green screen and background swap
Beauty filters for recording
Vocal isolation and audio denoising
Download videos without watermark
Word-by-word caption timing: each word gets its own start and end time, grouped into short captions
100+ caption styles including Classic, Lyrics, Glide, Neon, Sing-Along, and more
On-device transcription using OpenAI's Whisper model with no server uploads
Export as MP4, SRT and VTT subtitle files
Pro: Auto emoji feature that matches captions to 350+ keywords
Pro: Smart highlights to emphasize key words in each caption
Pro: Filler-word cleanup to hide "um", "uh" and "hmm"
Import custom SRT subtitles and apply caption styles
Lyric video mode with words timed to vocal instead of speech
What makes it different
Free app with professional-grade features
High accuracy captions at 98.9%
Supports lyrics mode for music videos
Trusted by 6 million content creators
All-in-one video editor with AI features
Completely free with no watermarks for unlimited videos using Classic and Lyrics styles
No uploads: everything runs in your browser on your own device, keeping your video private
Works offline after initial load, with speech model cached locally on your device
Exports finished MP4 videos with burned-in captions, not just subtitle files
Low price for Pro: $19/year launch offer is far cheaper than competitors like Submagic and VEED