Can I not just write the character directly?

In a UTF-8 document you usually can. But and & clash with the markup itself, so those must be written as entities.

Where a line must not break — between a number and its unit, for example. Using several in a row to push things apart is a job for CSS instead.

What are the numeric ones like ₩?

A way of naming a character by its Unicode number. You use it when the character has no named entity.

Name: HTML 특수문자
Author: KarmoLab

  · < · © — copies the code you put in markup

  < © 같은 HTML 엔티티 코드를 문자와 함께 찾아 복사합니다

88개 · 누르면 엔티티 코드가 복사됩니다 (문자 자체가 아니라 마크업에 넣는 형태).

Entity codes for characters that are awkward to write directly in HTML —   < & © and the rest. Clicking copies the markup code, not the character.

Can I not just write the character directly?: In a UTF-8 document you usually can. But <, > and & clash with the markup itself, so those must be written as entities.
When do I use  ?: Where a line must not break — between a number and its unit, for example. Using several in a row to push things apart is a job for CSS instead.
What are the numeric ones like ₩?: A way of naming a character by its Unicode number. You use it when the character has no named entity.

Stays on your device What you enter is handled inside your browser only — nothing is stored or sent anywhere.

This tool page states where what you enter goes — see the badge above. All tools · KarmoLab · Who made this · Built with AI. View source