In-Browser AI Subtitle Generator

A free AI-powered caption and subtitle generator that runs entirely in your browser. Automatically transcribe videos and audio with Whisper AI, supporting around 99 languages, word-level timestamps, and optional translation into English. Choose between Fast, Balanced, and Accurate AI models, edit captions directly, and export SRT, VTT, or plain-text transcripts. No signup, no watermark, no per-minute charges, & no file uploads. Your videos, audio, and transcripts never leave your device.