The Complete Guide to Auto-Captions for Short-Form Video

Why Captions Matter

Captions aren't just for accessibility — they're essential for engagement:

**85% of Facebook videos** are watched without sound

**80% of viewers** react negatively to videos without captions

**Captions increase watch time** by up to 12%

Highlights each word as it's spoken. Great for music videos and energetic content.

Shows complete sentences. Better for longer content and educational videos.

Traditional subtitles at the bottom of the screen. Clean and professional.

**Font choice** — Use bold, sans-serif fonts for readability

**Size** — At least 48px for mobile viewing

**Color** — High contrast with background

**Position** — Bottom-center is standard, but test alternatives

**Animation** — Subtle animations draw attention without being distracting

ClipSprout uses Whisper AI to generate accurate captions with word-level timing. You can customize:

Font size and color

Background opacity

Position (top, center, bottom)

Karaoke-style word highlighting

All processing happens in your browser — your audio never leaves your device.