For information about banner images view the banners webpage.
You can upload JPG, PNG, SVG and WEBP files to the website. Only use SVG files for images that contain diagrams or charts.
All standard images must be 800 pixels wide by 450 pixels high at 72 dpi (dots per inch). SVG files can be any size and do not need resizing.
Avoid adding white borders to images that do not resize to the above sizes. Add a light grey background or transparent overlay.
Avoid adding borders to images.
Give your images a meaningful file name before uploading. This helps users find images to reuse. Do not use special characters or spaces in the file name. Use underscores or hyphens instead.