Fastsub

Fastsub

Fastsub | Free AI video subtitle Generator & translation

FastSub is an AI-powered subtitle generation website that supports transcription from 26 source languages and free translation into 206 languages. No need to upload video, faster processing and privacy-first. Online subtitles editing and burning subtitles into your videos.

Launch Team / Built with

kajiwu kaiji

Launched October 28, 2026