おトク通知 (Otokunotice) is a free Chrome add-on developed by Omelette株式会社. It is a cross-site search service for QA (Question and Answer) websites, allowing users to search for their queries in one go.

Many times, when searching for information using keywords, it can be challenging to find the exact answer or solution to our problems. We often struggle to know where to start and how to search effectively. With おトク通知, you can overcome these difficulties and turn your "I don't know" into "I know."

This add-on provides a convenient solution by allowing users to search multiple QA websites simultaneously. It saves time and effort by aggregating the results from various sources, giving you a better chance of finding the information you need. With おトク通知, you can make your search process more efficient and effective.