Last updated: January 11, 2025
TL;DR In Firefox, enable "Run in Private Windows" permission for Speed Dial 2 to capture thumbnails. Go to about:addons, find Speed Dial 2, and enable the permission.
Firefox requires an extra permission for extensions to capture website thumbnails. Without this permission, Speed Dial 2 cannot take screenshots of your bookmarked pages.
To enable thumbnail capture in Firefox:
about:addons in your address bar and press EnterAfter enabling this permission, Speed Dial 2 will be able to capture thumbnails for your bookmarks.
Firefox treats thumbnail capture as a privacy-sensitive feature. To take a screenshot of a webpage, the extension needs permission to run in private browsing mode—even if you're not using private browsing.
This is a Firefox-specific requirement. Chrome and Edge do not require this extra step.
If thumbnails still aren't being captured after enabling the permission:
If you're using Chrome or Edge and thumbnails aren't appearing:
If the issue persists, contact support for assistance.