Question 1

How is this different from Submagic or Captions.ai?

Accepted Answer

Submagic and Captions.ai are manual SaaS tools — you upload one video at a time through a web UI. muapiapp's AI Captions endpoint lets you caption videos via API, making it ideal for automating workflows, batch processing, and embedding into your own products.

Question 2

What caption themes are available?

Accepted Answer

18 themes are supported: Hormozi_1, Hormozi_2, Hormozi_3 (bold word-highlight styles), Beast (MrBeast-inspired), Ali (sleek/minimal), Noah (italics + drop shadow), Karl (border outlines), Luke (shaking/vibrating), Devin (rotating + scaling), Celine (soft shadow), Maya (serif + glow), Ella (scale + blur animations), Dan (large uppercase), David (bold uppercase highlights), Tracy (white glow), Umi (letter-by-letter reveal), Iman (white text + black border), William (alternating animations). Defaults to Hormozi_1.

Question 3

What languages are supported?

Accepted Answer

45 languages are supported: English (and regional variants for USA, UK, Australia, Canada), Japanese, Chinese, German, Hindi, French (France, Canada), Korean, Portuguese (Brazil, Portugal), Spanish (Spain, Mexico), Italian, Indonesian, Dutch, Turkish, Filipino, Polish, Swedish, Bulgarian, Romanian, Arabic (Saudi Arabia, UAE), Czech, Greek, Finnish, Croatian, Malay, Slovak, Danish, Tamil, Telugu, Ukrainian, Russian, Hungarian, Norwegian, and Vietnamese. Defaults to English.

Question 4

What is the maximum video size?

Accepted Answer

Videos must be under 600MB and no longer than 10 minutes. For longer content, split the video before processing.

Question 5

How long does processing take?

Accepted Answer

Videos under 1 minute typically complete within 2–3 minutes. Longer videos may take up to 10–15 minutes depending on duration and server load.