cronTab is a free Chrome extension developed by Oktasoft. It allows users to open specified URLs in new tabs at specific times. This extension is categorized under Browsers and falls under the Add-ons & Tools subcategory.

With cronTab, users can schedule the opening of URLs based on a specific time and day. The format for scheduling is as follows: minutehourweek(0-6) URL. The extension supports aliases for days of the week, such as sun, mon, tue, wed, thu, fri, and sat. Users can also use expressions like "*" for all values, "," to separate values, "-" to define ranges, and "/" for step values.

cronTab provides a convenient way for users to automate the opening of URLs in Chrome, making it a useful tool for those who want to access specific websites at specific times without manual intervention.