The best auto caption apps for short videos

Captions come two ways. Burned-in captions are part of the picture, so they look the same on every app and can be styled, animated and coloured. A caption file, usually SRT, sits beside the video, and the platform draws it in its own plain style; viewers can often turn it off.

For TikTok, Reels and Shorts, most creators burn them in, because the look is part of the video. A file matters for YouTube long-form, course platforms and anyone who has to provide captions for accessibility. Of the five here, MixCaptions imports and exports SRT, per its listing. Bang AI burns captions in and doesn't export SRT or VTT.

No app hears every word right. Brand names, product names, slang and your own name come out wrong first. So the real test is how fast you can fix a word. Look for tapping a caption to edit it, and for a fix that updates the timing too.

In Bang AI you tap a caption in the iPhone and Mac apps, or select it and press Edit words on the web, and a caption's words are the script's words, so fixing one fixes the other. Read every caption once before you post. A wrong word in a product name looks worse than no captions at all.

Word-by-word captions that pop or highlight as you speak are the short-form default, and they hold attention on a muted feed. Lines of plain text suit calmer videos, tutorials and anything with a lot of talking. See caption style examples for a look per kind of video and animated captions for how they work.

Whichever app you use, keep captions inside the area the platform's buttons don't cover. The free safe-zone checker on this site shows those areas for TikTok, Reels and Shorts over your own frame.

In Bang AI, captions are an option of the Auto Edit: turn Captions on, and the cut arrives with word-by-word captions already on it. Then you pick one of twelve looks, an animation and a pacing, colour the keywords and add emoji.

Turn on Hide ums and uhs to keep filler words out of the captions, and leave Remove Ums on in the Auto Edit to cut them from the sound as well. On iPhone and the Mac, Export Pack saves 9:16, 4:5 and 1:1 twice, with captions and without, so you have a clean copy for a platform that adds its own.

We read each app's US App Store listing on November 1, 2026, and repeat only what it says; where a feature isn't listed, we say so rather than guess. Prices are left out because they change often. We make Bang AI, and its details come from its captions guide, so read our ranking of it with that in mind. The order follows the criteria above. Captions names the most languages, and MixCaptions names 23 and is the only app here whose listing names a caption file. Bang AI's captions cover English and Spanish only, so it sits below those two. It sits above CapCut and Edits, whose listings name no caption languages or caption file, because its guide names twelve looks, five animations and clean copies from Export Pack on iPhone and the Mac. CapCut's listing names more caption details than Edits'.