Chatwork Quick Info Input is a Chrome add-on that allows users to quickly input tags like [info]...[/info] in Chatwork chats. It also supports tags with titles, such as [info], [code], [qt], and [hr].

When the extension is installed, an icon is added above the chat message input area in Chatwork. Users can select text and click the icon to automatically add [info]...[/info] tags around the selected text. If no text is selected, the [info][/info] tags are added at the cursor position in the input area.

Users can also use the shortcut key Ctrl+i to input [info][/info] tags.

The add-on has been updated multiple times to accommodate changes in Chatwork's specifications. It provides a convenient way for users to quickly add tags to their chat messages without manual typing.

Please note that this add-on is also available for Firefox users. More information and the source code can be found on the developer's GitHub page.