

Capcap
One-click video localization — Clean old subtitles, native voiceover.

Millisecond-precise audio transcription with 99% accuracy. — Automatically transcribe, contextual translate, lip-sync dub and cleanly erase hardcoded subtitles.
One-click video localization, clean hardcoded subs, natural voiceover.
Drop in any video and let AI handle everything: millisecond-accurate Whisper ASR, contextual Multi-LLM translation, natural expressive dubbing, and instant hardcoded subtitle removal.
Whisper ASR Accuracy
Lower Translation Costs
Blazing Rust + FFmpeg Render
Key Features
See all featuresAI Speech-to-Text (Whisper ASR)
Accurate 99% millisecond-precision transcription with monotonic timing preventing subtitle jitter.
Context-Aware Multi-LLM Translation
Connect GPT-4o, Claude, Gemini, and Ollama for fluent, nuanced translations with slang and cultural context.
Glossary & Translation Memory
Preserve 100% of character names, technical, and medical jargon. Auto-fill translation memory saves tokens.
Multi-Speaker Diarization
Automatically detect speakers, identify male and female voices, and assign distinct AI voices to each character.
AI Dubbing & Forced Alignment
Natural viral voice library with forced alignment that rewrites phrasing to match lip-sync seamlessly.
Delogo Subtitle Eraser & Atomic Export
Erase hardcoded subtitles in 3 seconds. Blazing fast Full HD & 4K exports powered by Rust + FFmpeg.

