はてなブックマーク to Activity Pub is a Chrome add-on developed by euro21st. It allows users to display a posting window to Misskey and Mastodon simultaneously when bookmarking a page on Hatena Bookmark.

Key Features:

• Automatically opens a window for posting, similar to sharing on Twitter
• Allows sharing of bookmark comments and article titles without any omissions

Usage:

1. Click on the extension icon and register the URL of the destination platform (Misskey, Mastodon, etc.)

2. Enable the "Share to Misskey" icon on the Hatena Bookmark entry page

3. When bookmarking a page by clicking the bookmark button or using "Ctrl+Enter," the bookmark, comment, and link to the article will be displayed on the posting screen of the selected platform

In addition, Misskey is added as a sharing option in the share button after commenting.

Note: