Pros and cons of putting a tooltip on a button?

1. Should buttons have tooltips?
2. When should you not use tooltips?
3. Can a button have a tooltip?
4. Are tooltips good design?

Should buttons have tooltips?

If you're introducing the button as a new element & needs to draw users' attention you should use tooltip. It will help users to learn. *If the button explains itself clearly, we should not use tooltip.

When should you not use tooltips?

1. Don't use tooltips for information that is vital to task completion. Users shouldn't need to find a tooltip in order to complete their task. Tooltips are best when they provide additional explanation for a form field unfamiliar to some users or reasoning for what may seem like an unusual request.

Can a button have a tooltip?

Tooltip can be shown on Button hover and it can be achieved by setting title attribute. The following snippets illustrates how to show tooltip on Button hover.

Are tooltips good design?

If it doesn't provide any new value, a tooltip only becomes annoying. On the other hand, good tooltip design can have a big influence on whether users understand the features and achieve success with your product. An effective tooltip is interesting, relevant, valuable, and helpful.