Caption Studio

Image

Upload Image

or drag & drop

Settings

Caption Text 0/50

Position

Font Size

120

Stroke Width

Result

Processed image will appear here

Text Input

0/500

TTS Settings

Voice Settings

Voice

Audio Settings

Speed

1.0x

Font Size

120px

Background Volume

50%

Voice Volume

100%

Caption Settings

Caption Position

Top Middle Bottom

Background Settings

Background Type

Solid Images Video

Video Effects

Random Effects

Off AI Analysis

AI will analyze your video and recommend the best effect for maximum engagement

AI Analysis Settings

Gemini API Key (Optional)

Get your free API key from Google AI Studio. Without API key, random effects will be applied.

Video Output

Generated video will appear here

Upload Video

Drop your video here or click to browse

Caption Settings

Language

Caption Mode

Commentary Style

Background Music (Optional)

Choose BGM file... Music

BGM Volume 30%

Original Audio Volume 40%

Font Size

120

Stroke Width

Caption Position

Captioned Video

Captioned video will appear here

Image

Settings

Result

Text Input

TTS Settings

Voice Settings

Audio Settings

Caption Settings

Background Settings

Video Effects

AI Analysis Settings

Video Output

AI Analysis Results

Upload Video

Caption Settings

Captioned Video