PPTX Dubber — AI Dubbing for Narrated Slides in Any Language
A tool that extracts each slide’s narration, transcribes it, rewrites it with AI as natural target-language speech, re-voices the deck with human-sounding audio and exports an MP4.
FA, EN and more
Local transcription
Final video output
Edit text before voice
Literal translation and robotic voices lose the speaker’s meaning and personality, and rebuilding slide timings by hand is slow.
Local transcription with faster-whisper, slide-aware script rewriting with an LLM, ElevenLabs synthesis, audio replacement, timing and MP4 export, with a text review step in speaker notes and a web studio.
Our role
AI Pipeline
Transcription, transcript repair and script rewriting aware of each slide’s topic and the speaker’s tone.
Voice and Media
ElevenLabs synthesis, audio replacement inside the PPTX, slide timings and MP4 export.
Tooling and UX
CLI, a free pre-flight check, a web studio and Docker support.
