11bis is a free Chrome add-on developed by Henji1. It falls under the category of Browsers and specifically the subcategory of Add-ons & Tools.

With 11bis, users can easily calculate their daily budget to ensure they don't overspend and end up broke by the end of the month. The add-on takes into account vacation days, making it even more convenient for users to manage their finances.

By inputting their income and expenses, 11bis provides users with an average daily spending limit. This helps individuals plan their expenses accordingly and avoid any financial strain.

Overall, 11bis is a useful tool for those who want to have better control over their finances and ensure they stay within their means.