Synology Image Assistant Extension enhances your browsing experience. It supports displaying mainstream formats, including HEIC and HEVC. With this extension, image previews and compressed videos are automatically generated when files are uploaded or viewed across browsers. Synology Image Assistant Extension needs to be used in conjunction with its desktop app. Find it under our Download Center (https://www.synology.com/support/download) > select your model > Desktop Utilities. Join our Synology Community and share your feedback: https://community.synology.com/enu