Kakkosan is a free Chrome add-on developed by gotuu91.afl. It falls under the category of browsers and specifically belongs to the subcategory of add-ons & tools. This handy program allows users to easily surround selected text with parentheses or add parentheses to existing text.

With Kakkosan, users can effortlessly enclose selected text in parentheses by simply right-clicking on the text and choosing the desired option from the context menu. This can be particularly useful when writing mathematical expressions, programming code, or simply adding emphasis to certain phrases.

In addition to adding parentheses to selected text, Kakkosan also allows users to manually insert parentheses around any text they choose. This flexibility gives users the ability to quickly and conveniently modify their texts without the need for additional formatting steps.

Overall, Kakkosan is a straightforward Chrome add-on that simplifies the process of adding parentheses to text selections. Whether you're a student, a programmer, or simply someone who frequently works with text, this tool can save you time and effort by providing a convenient way to modify your content.