AI bilingual subtitles in 74 languages for videos without uploading
Convert PowerPoint and PDF slides into narrated videos with an AI avatar presenter
Stage
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Founded
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Based in
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Pricing model
Freemium
Freemium
Pricing
Not given
Free tier: 60 credits on signup (enough for 6-page deck). Credits cost 10 per page. Credit packs: Starter $39 for 2,000 credits (~200 slides); Creator $99 for 6,000 credits (~600 slides); Studio $299 for 20,000 credits (~2,000 slides). All packs never expire. Credits can also be purchased via monthl
Key features
Translates 74 languages including multilingual display
Works with videos without subtitles via speech recognition
Real-time translation as you watch
Desktop extension for YouTube, X, Bilibili and TED
Local video player with no installation required
Android app for video playback and online video translation
Export subtitles as SRT or VTT files
Customizable subtitle appearance and positioning
Free subtitle reuse once generated
Bilingual subtitle display options
Cloud-based processing with no GPU installation required
Support for PowerPoint (.pptx, .ppt) and PDF files up to 40 pages
Editable draft scripts generated from slide text before rendering
Custom presenter registration from 8-30 seconds of video
Voice cloning from reference audio on all plans
Per-slide chapters for video navigation
Single MP4 output per deck with lip-sync
Failed renders fully refunded
Shareable links for finished videos without requiring viewer account
What makes it different
Processes as you watch without uploading the video
Uses AI language models with context understanding for natural translations
Works even when videos have no subtitles
Subtitles appear immediately as you watch, no waiting for full video processing
Free reuse of completed subtitles across accounts
9–35× cheaper per minute than competitors like Synthesia and HeyGen
No video length cap: renders up to 80 minutes as a single video without splitting
Custom presenters and voice cloning included on all plans, including free tier
Self-hosted delivery option available for organizations with data residency requirements
WatchTranslate
DocPresenter