Hangul Filler (U+3164) - The Invisible Korean Character Explained

Hangul Filler (U+3164) is an invisible Korean character. Copy it for blank usernames on Discord, Steam, and Instagram. Learn how to type and use it.

What Is Hangul Filler?

Hangul Filler (U+3164) comes from the Korean writing system. The character looks completely invisible. But platforms count it as real text. Nothing appears on screen. Yet the character exists.

The character was originally a placeholder. Korean text input systems used it for spacing. Today people use it for creative purposes beyond its original design.

Quick Facts

  • It is invisible when rendered
  • It belongs to Hangul Compatibility Jamo block
  • Unicode 1.1 introduced it in 1993
  • It is a "letter", not a "space" character
  • People call it "Hangul Filler" or "Korean Filler"

Common Uses Today

  • Blank social media bios on Instagram and Discord
  • Invisible usernames in Fortnite, Steam, and Roblox
  • Bypassing required text fields in apps
  • Creating invisible messages in chat
  • Formatting plain text without spaces

Technical Details

Property Value
Unicode Code Point U+3164
Decimal Value 12644
HTML Entity (Hex) ㅤ
HTML Entity (Decimal) ㅤ
CSS Code \3164
JavaScript Escape \u3164
Unicode Category Other Letter (Lo)
Unicode Block Hangul Compatibility Jamo
Visibility Invisible

Why Hangul Filler Is Different

Most invisible characters are spaces. Hangul Filler is a letter. This small difference matters greatly.

A normal space (U+0020) gets trimmed from usernames. Hangul Filler stays because platforms see a letter. Form validation passes it. Filters often miss it.

How to Type Hangul Filler

Copy and Paste (Easiest)

Copy the invisible character between the brackets: [ㅤ]

Paste it anywhere you need. This works on phones, tablets, and computers.

Keyboard Methods

  • Windows (ALT Code): Hold Alt. Type 12644 on number pad. Release Alt.
  • Windows (Character Map): Search for "Hangul Filler" or "3164".
  • Mac (Unicode Hex): Enable Unicode Hex Input. Hold Option. Type 3164.
  • Linux: Press Ctrl + Shift + U. Type 3164. Press Enter.

HTML Code

<p>VisibleㅤText</p>

JavaScript Code

const filler = '\u3164';
console.log(`Hello${filler}World`);

Practical Applications

Blank Social Media Bios

Instagram, Discord, and TikTok allow Hangul Filler in bios. One character creates a blank bio. Multiple characters create invisible spacing.

Invisible Usernames in Games

Fortnite, Steam, and Among Us accept invisible names. The username appears empty. Other players see nothing.

Bypassing Required Fields

Some forms reject empty fields. Paste Hangul Filler into the field. The form sees text. Users see nothing.

Text Formatting

LeftㅤㅤㅤRight
Column1ㅤㅤColumn2

Hangul Filler vs Other Invisible Characters

Character Unicode Visible Category Best For
Hangul Filler U+3164 No Letter Blank usernames and bios
Zero Width Space U+200B No Format Word breaking
Ideographic Space U+3000 Yes (wide) Space CJK formatting
Normal Space U+0020 Yes Space Word separation

Hangul Filler is unique because it is a letter. Other invisible characters are spaces or format controls. This classification helps Hangul Filler pass validation checks.

Platform Compatibility

Platform Support Common Use
Discord ✅ Yes Invisible nickname
Instagram ✅ Yes Blank bio
Steam ✅ Yes Blank profile name
Fortnite ✅ Yes Invisible display name
Telegram ✅ Yes Invisible username
Twitter ⚠️ Partial May be filtered
Roblox ⚠️ Partial Some filters block it
YouTube ❌ Limited Often stripped

Potential Risks

  • Account flags: Some platforms flag invisible names as suspicious.
  • Reporting issues: Users may report blank profiles as spam.
  • Recovery problems: You cannot describe an invisible username to support.
  • Search inability: Friends cannot search for your profile.
  • Filter updates: Working tricks today may break tomorrow.

Troubleshooting

Hangul Filler shows as a box (□)

The font does not support U+3164. Switch to a modern font. Use a current browser.

Platform rejects the character

Some apps block U+3164. Try Zero Width Space (U+200B) instead. Or accept that the platform does not allow invisible characters.

Character disappears after saving

The platform strips the character on submission. Add multiple copies. Use a different method.

Frequently Asked Questions

Is Hangul Filler the same as a blank space?

No. A blank space is a separator. Hangul Filler is a letter. This classification difference matters for validation.

Can I use Hangul Filler in email addresses?

Technically yes. But do not do this. Most email systems reject it.

Is Hangul Filler detectable?

Yes. Developers can check for \u3164 in strings. Platforms can filter this code point.

How do I remove Hangul Filler from text?

// JavaScript
text.replace(/\u3164/g, '')

// Python
text.replace('\u3164', '')

Quick Reference

Feature Value
Character Name Hangul Filler
Unicode U+3164
Copy It
Windows ALT Code Alt + 12644
HTML Entity &#x3164;
Category Other Letter (Lo)
Visibility Invisible

Summary

Hangul Filler (U+3164) is an invisible Korean character. It is classified as a letter, not a space. This makes it useful for blank usernames and bios.

Copy it from this page. Paste it on Discord, Instagram, or Steam. Use ALT code 12644 on Windows for direct typing.

Test on your target platform first. Some platforms block it. Use responsibly. Keep backup access to your accounts.

Frequently Asked Questions

Is using U+3164 cause ban?
Most platforms allow it, but some games (like Fortnite) may flag it. Use at your own risk.
Why does my Hangul Filler disappear?
Some apps auto-remove invisible characters. Try U+200B or U+2800 instead.
Can I use this on WhatsApp?
yes, but it may appear as a blank space instead of fully invisible.