How it looks elsewhere
⏹️ Your device
⏹︎ Typographs
Twemoji 
Noto 
Fluent 
OpenMoji Copy as code
What Stop button Means
People reach for ⏹️ when they mean button, square, stop. Searching Snagmoji for any of those words finds it.
Stop button is one of the symbols emoji, alongside 🔀 🔁 🔂 ▶️ ⏩ and 19 more in the same family.
History & Platforms
Stop button was added in 2014 as part of Unicode 7.0. It has artwork in Twemoji, Google's Noto, Microsoft's Fluent, OpenMoji. Apple, Samsung and WhatsApp draw it in their own styles, which is why the same emoji can look a little different from phone to phone.
Under the hood ⏹️ is the 2-code-point sequence U+23F9 U+FE0F, and on GitHub, Slack and most chat apps you can type it as :stop_button:.
How To Use ⏹️
- Copy it: click the big emoji above, or the "Snag it" button.
- Chain it: on the main page, Shift+click emoji to build a string like ⏹️🔀🔁 and copy it all at once.
- Type it: in Slack, GitHub and Discord, type :stop_button: and it converts. On Windows press Win+. and on Mac press Ctrl+Cmd+Space to open the system picker.
- Use it in code: the HTML entity, JavaScript and CSS escapes are in the "Copy as code" box above.