"Buy and sell old computers Blue Ocean Informatics" is a Chrome extension developed by solagiftvn. This free tool falls under the Browsers category, specifically Add-ons & Tools. The extension aims to assist users in quickly calculating prices when purchasing computer components, catering to those buying and selling old computers.

The extension provides a reference price list for various computer components, such as PC gaming systems, office computers, graphic design machines, and more. Users can swiftly estimate prices based on desired quantities within a minimum to maximum range. Additionally, the tool offers essential information about the devices, aiding users in informed decision-making.