Easiest Way to Truncate Text With Ellipsis in CSS

So your designer has asked you to add the three dots at the end when the text doesn't fit, and you have no clue how to do that?

Don't worry, it's super simple to do with CSS.

By the way, those three dots at the end are called ellipsis.

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Single-line ellipsis

Use text-overflow: ellipsis; to automatically truncate the text when it overflows the container and add the three dots at the end.

The element needs to get resized and the text has to stay in one line for the ellipsis to show up, so here are all 3 CSS lines you need:

.ellipsis {
  text-overflow: ellipsis; /* enables ellipsis */
  white-space: nowrap; /* keeps the text in a single line */
  overflow: hidden; /* keeps the element from overflowing its parent */
}

Multi-line ellipsis

You will soon find, that text-overflow: ellipsis; doesn't work when the text wraps to an extra line.

To truncate multi-line text and add an ellipsis at the end of the last line use the experimental -webkit-box box model (don't worry it's supported in all major browsers):

.multiline-ellipsis {
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3; /* start showing ellipsis when 3rd line is reached */
  white-space: pre-wrap; /* let the text wrap preserving spaces */
}

Control how many lines to show with -webkit-line-clamp. It is important to let the text wrap by setting the white-space property to pre-wrap or normal.

Conclusion

It's trivial to truncate the overflowing text and add an ellipsis at the end of a single line. Adding an ellipsis for multiline text is a bit more tricky, so this post should help you.

You can find the code examples for this article on my GitHub: https://github.com/vincaslt/twitter-code/tree/main/src/ellipsis

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