Synology Image Assistant
Synology Image Assistant is a macOS helper app for Synology Photos that creates previews and compressed videos so HEIC and HEVC media display properly in the browser.
What is Synology Image Assistant?
Synology Image Assistant is a desktop companion for Synology Photos that helps your Mac generate image previews and compressed videos for formats that are not always displayed natively in every browser or device. It is designed for people who store and view photos or videos on a Synology NAS through the Synology Photos web interface. On macOS, it works together with the Synology Image Assistant browser extension to process formats such as HEIC, HEIF, HIF, and HEVC-based video so those items can be viewed more reliably across devices. The app also shows the real-time status of preview and video generation. It is most useful in workflows where media is uploaded through the Synology Photos web portal, File Station, or SMB and then viewed from a desktop browser.
Key features
- Generate image previews for HEIC, HEIF, and HIF photos
- Create compressed videos for HEVC and other less-compatible video formats
- Work with the browser extension to improve media display in Synology Photos
- Show real-time status while previews and videos are being generated
- Help display newly uploaded photos and videos more reliably across devices
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Safety overview
Status: Mostly safe
This app is part of Synology's media viewing workflow and its background activity is consistent with generating previews and compressed videos for Synology Photos. It may use local CPU, storage, and browser integration while processing supported media formats. Because macOS use commonly requires both the desktop app and the Synology Image Assistant browser extension, check that both components are installed from Synology and that they are being used with your own Synology Photos environment.
Recommendation: Keep Synology Image Assistant if you use Synology Photos on your Mac and need proper browser playback or preview generation for HEIC, HEVC, or similar formats. If you no longer use Synology Photos through a desktop browser, you can remove it, but newly uploaded compatible media may not display correctly in the web portal until it is installed again.
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