You need a software like photoshop maybe Gimp..
You need to split in frames reduce to 8frames so the tongue will jump from left to right (it wont be that smooth) unless you reduce size and colors and quality..
If you take any software to only add a text over it..it might save it has a jpeg ..you will have a still image..you need to save has a GIF..
Or you can use ezgif (not sure) i think you can upload gif there and it will split frames then you need to add your text to all then upload it back(i thinks but not sure,since i use photoshop)

E:/ sig must be 400x150pixel max under 70kbs
This post was edited by archangel_of_heaven on Nov 18 2021 08:51pm