Frequently Asked Questions

PSB Quick Look Plugin is available for purchase on the official App Store. Click the button below to be redirected to the store page.

1. Once the app is downloaded from the App Store, go to your Applications folder.
2. Locate the PSB Quick Look application.
3. Double-click to open it for the first time (this registers the extension with macOS).
4. Quit the application.
5. Ensure the extension is enabled in your system settings: Apple Menu > System Settings > General > Login Items & Extensions > Extensions (at the bottom) > Quick Look > Info > PSB Quick Look
6. Restart your computer to clear the system cache.

You can now enjoy full thumbnails and Quick Look previews for all your .psb files!

Make sure the application has been correctly installed and opened at least once by double-clicking its icon in the Applications folder.

Additionally, the Quick Look and Thumbnail extensions must be manually enabled in macOS settings. Go to:

System Settings > General > Login Items & Extensions. Scroll down to find Extensions, click on Quick Look, then click the "i" (Info) button and check PSB Quick Look.

A computer restart is required to force macOS to refresh the icon and thumbnail cache.

The application is optimized for macOS 15.2 (Sequoia) and later versions.

For files larger than 4.0 GB, this initial [BETA] version uses the "Raw" preview data embedded by Photoshop to ensure instant display without system instability or crashes. A higher-resolution improvement is currently under development for a future update.

No. It uses an ultra-lightweight binary parsing method. Thumbnails are generated in milliseconds without impacting system performance.

Absolutely not. All processing is strictly local on your Mac. The application is "Sandboxed" by Apple, meaning it is technically blocked from accessing the Internet.

No. Due to its secure sandbox architecture, the app only accesses the specific files you are currently viewing or previewing in the Finder.