"Are You Not Entertained?" is a memorable quote from the 2000 historical drama film Gladiator that is used by the original poster (OP) as a retort to lukewarm reception of his or her contribution.

If somehow it really is 500KB, the simple answer is that it's not possible to even get it that small, and even if it were, your company would look absurd trying to advertise with it. I really encourage you to dig further. 500Kbps isn't great, but it can be workable depending on the content and is a far more likely requirement than 500KB.

Compress JPEG to 500KB or smaller with our easy-to-use online tool. Reduce JPEG size without sacrificing quality, and download your optimized images for free. 100 images at once.

You can easily increase or decrease JPG size by using the slider of this tool. You can see old and new JPG image sizes as well. You can remove JPG images that you don’t want to compress. After complete compressing, you can download all the compressed JPG into your device one by one or download ZIP.

I make lots of gifs for my tumblr blog, but tumblr has a 500kb limit on animated gifs and compressing some is very difficult. I need some advice. They either end up looking like crap or are tiny. A lot of the background of the image is moving - a little bit.