FREE · PRIVATE · NO SIGNUP
Add subtitles to video
Upload a video and auto-generate subtitles with AI. Customize fonts, colors, and positions — then export. Everything runs in your browser.
or drop a file
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Subtitles
Auto-generate subtitles for any video
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Text Behind Image
AI-powered text behind subject in images
AI-powered subtitle generator
Automatically transcribe speech and burn subtitles into your video. Our AI model (Whisper) runs entirely in your browser for complete privacy.
AI transcription
Uses Whisper, an advanced speech recognition model, running directly in your browser via WebGPU or WASM. Supports 99 languages.
Customizable styles
Choose from preset styles or customize fonts, sizes, colors, positions, and highlights. Make your subtitles match your brand.
100% private
All processing happens locally in your browser. Your video files are never uploaded to any server.
How to add subtitles to a video
Step 1: Upload your video (MP4, MOV, AVI, and more supported).
Step 2: Click "Transcribe" to start. The AI model downloads on first use.
Step 3: Edit the subtitles and customize fonts, colors, and positions.
Step 4: Export your video with burned-in subtitles.
Frequently asked questions
Is this subtitle generator free?
Yes, completely free with no signup required. The AI model runs in your browser, so there are no server costs.
What languages are supported?
Whisper supports 99 languages including English, Spanish, French, German, Chinese, Japanese, Korean, Arabic, Hindi, and many more.
Can I customize the subtitle appearance?
Yes, you can change the font, size, color, position, and highlight style. Choose from presets or create your own look.
Are my videos uploaded to your servers?
No, everything runs in your browser. Your video never leaves your device.