What is Auto Captioner?

Auto Caption is a browser-based AI video subtitle generator and caption editor. It transcribes your video's audio into accurate subtitles in seconds, lets you edit text and timing, and applies 25+ caption style presets or fully custom designs. You can export videos with burned-in subtitles or download subtitle files like SRT, VTT, and TXT.

How to use Auto Captioner?

1. Upload your video by dragging and dropping an MP4, MOV, WebM, or other common format. 2. Auto-generate subtitles: AI transcribes your audio in seconds across 20+ languages. 3. Edit and style: fix words, adjust timing, and choose from 25+ style presets or customize your own. 4. Export your video with burned-in subtitles or download SRT, VTT, or TXT files.

Core features of Auto Captioner

AI-powered transcription with support for accents, background noise, and multiple speakers
25+ caption style presets and full customization
Subtitle editor with text and timing adjustments
20+ languages supported with automatic language detection
Export burned-in subtitles or SRT, VTT, and TXT files
AI subtitle translation (Pro)
Save and reuse custom styles and upload custom fonts (Pro)
Local video processing in browser for privacy