Glossary
What Are Open Captions? Definition and Examples
Open captions are timed text that is permanently rendered into a video, they cannot be turned off by the viewer.
Create in your browser. Start for free.
Definition
Open captions are timed text permanently burned into a video frame by frame, meaning they cannot be turned off by the viewer.
Full Explanation
Open captions, sometimes called 'burned-in captions' or 'hardcoded captions', are caption text rendered directly into the video pixels during export. Unlike closed captions, they cannot be toggled off because they are part of the image itself. Open captions are the dominant style on short-form social platforms, TikTok, Instagram Reels, YouTube Shorts, because most viewers watch with sound off, and the platform algorithms reward videos that hold attention without relying on audio. Open captions also guarantee consistent rendering across devices and platforms, since they don't depend on a player supporting separate caption tracks. The trade-off is that they are not adjustable: the viewer cannot change the font, size, color, or turn them off if they understand the language.
Examples
- -A TikTok video where the caption is part of the visual.
- -A YouTube Short with stylized word-by-word text that bounces with the music.
- -An Instagram Reel exported as a single MP4 with captions baked in.
Related Terms
Why are open captions used on TikTok and Reels?
Short-form social platforms display videos as single MP4 files without support for toggleable caption tracks. Open captions guarantee the text appears for every viewer, on every device, regardless of platform.
Your next video starts here
Use Open Captions in Your Videos
Beautiful captions. Your words, your style.
Keep exploring