Hope This Video Helped Leave a Comment Of What You Thought.
console command-
document.getElementsByName("image_width")[0].value = 1000;
document.getElementsByName("image_height")[0].value = 1;

links to the websites
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background finder- https://steam.design/
GIF Maker- https://giphy.com/create/gifmaker
Resizer- https://ezgif.com/resize
Remember only Change the height to 1240, not the width