OpenVideo — Timeline Editor

Upload a video on the right to begin.
It loads here and the audio/video are separated onto the timeline below.

0:00 / 0:00

video

original

narration

1 · Source

2 · Transcript

Auto-filled from the clip's audio (ASR). No audio — or want a fresh take? Generate it straight from the video: the AI watches the frames (vision) or reads on-screen text (OCR).

3 · Voice

Preset voice Narration language

Translation uses the local LLM; any preset voice can narrate Japanese.

Optional: record a few seconds to clone your own voice (its words are auto-transcribed for better pronunciation).

4 · Video options

Looks & adjustments for the whole video. Preview is approximate — the render is exact.

Speed1.00×

Fade in0.4s

Fade out0.4s

5 · Audio options

Cleanup & tone for the whole soundtrack. Applied at render.

Volume0 dB

Bass0 dB

Treble0 dB

Reverb

6 · Render

Burn auto-captions