Mastoshare is a Chrome extension that supports sharing on Mastodon, a popular social media platform. With Mastoshare, users can save a list of Mastodon instances they want to share to and customize their preferences. The extension also provides features like auto-completion of page information (title and URL) and the ability to copy to the clipboard.

Mastoshare is a handy tool for Mastodon users who want to easily share content from their browser. By saving their preferred Mastodon instances, users can quickly share content without having to manually enter the instance information each time. The auto-completion feature saves time by automatically filling in the page information, making sharing even more efficient. Additionally, the ability to copy to the clipboard allows users to easily share content across different platforms.