We recommend that you use PNGs when setting up your email template or adding content. Email clients have poor support for SVGs. If your icon looks blurry, upload a larger size PNG and then scale it down to the right size. Just be sure to keep the dimensions square when you do that so it doesn’t look stretched. Many email marketing platforms like MailChimp or Campaign Monitor will make it quick and easy to upload, place, and then size the icons.