Video Subtitle Extractor

SubKu

Recognize the subtitles burned into a video and build a searchable subtitle library — all on your computer.

Choose a language

Private by design

Your video is never uploaded.

Common formats

MP4, MOV, MKV, FLV and WebM.

Standard SRT

Edit the result, then download in one click.

Batch & history

Process many videos and revisit past runs.