A white box caption gives a reaction GIF a clear setup line before the motion starts.
Quick answer: Enter a short caption, choose a bold style, preview the result, and export the meme GIF.
Keep the setup line short
Use one sentence that can be read before the reaction lands.
Check the exported GIF at mobile size so the caption remains legible.
Open the Meme Text GIF Maker to create a clean captioned loop.
Open Meme Text GIF Maker ->