Most exchanges require that ad files be less than 100kb. If your ad file is larger than that, you can use free online compression tools that will reduce the file size without reducing quality.
If it is a .jpg file: http://www.jpegmini.com/
Or this option:
http://apps.pixlr.com/editor/
When you open the image and then click File-Save, you can adjust the “Quality” of the image until the Size is under 100KB. Make sure the check the quality of image on screen.
If it is a .gif file: https://ezgif.com/optimize
If it is a .png file: https://ezgif.com/optipng
If it is a video file: http://www.videosmaller.com/
← Frequently Asked Questions