Add Captions to Video
Add captions to any video online for free. Upload your file and AI automatically transcribes speech and burns animated subtitles into the video. No software to install, no account required — just upload, process, and download.
Drop files here or click to browse
Max 10240.0 MB per file · drop multiple for batch
Processed on our servers — requires a free account
ANDTHAT'S
LIVE PREVIEW
0
0 = use preset default
100
Transparency of caption text
Bold
Override bold/normal weight
Uppercase
Force all caps
Keyword Emphasis
Make important words bigger and bolder
Auto Emoji
Add relevant emojis to keywords
Sound synced to each word appearance
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How to Use Add Captions to Video
- Upload your video file (supports MP4, MOV, WebM, AVI, and more)
- Choose a caption style from 12 animated presets
- Select the language of the spoken content or use Auto-detect
- Click Process — captions are generated and burned into the video in one step
Features
- Completely online — no software to install, works in your browser
- AI transcribes speech automatically with word-level accuracy
- 12 animated caption styles to match any content type
- Supports 99 languages with automatic language detection
Frequently Asked Questions
- Is this caption tool really free?
- Yes — you can add captions to your videos for free. AI transcription and caption burning are included. There is no watermark on the output video.
- Do I need to create an account to add captions?
- No account is required to process your video. Upload, choose a style, and download — it's that simple.
- What video formats are supported?
- The tool supports MP4, MOV, WebM, AVI, MKV, and most common video formats. Output is always MP4 (H.264) for maximum compatibility across platforms and devices.