Caption Spark - Premium Caption Maker

Canvas Dimensions

Aspect Ratio

Font Family

Font Size (93px)

Text Color

Outline Color

Outline Width (px)

Shadow Blur (px)

Shadow Color

Letter Spacing (px)

Word Spacing (px)

Line Spacing (Multiplier)

Vertical Position (Offset from top %)

Max Chars per Frame

Gap Between Text (Frames)

Preset Animation

Pre-Animation (In)

Post-Animation (Out)

Active Word Highlight Color

00:00:00 / 00:00:00 (30 FPS)

Drag & drop SRT, VTT, or JSON, or click to browse

Drag & drop Audio (MP3, WAV, M4A), or click to browse

AI Provider

Gemini API Key